NX-AD / DA

Analog inputs and outputs to meet all machine control needs, from general purpose to high-speed synchronous control

Categories: , ,

Description

• Up to eight analog inputs per unit (NX-AD)

• Up to four analog outputs per unit (NX-DA)

• Free-run refreshing or synchronous I/O refreshing with the NX1P2 CPU Unit or EtherCAT Coupler Unit

• Sampling times down to 10 μs per channel and high resolution of 1/30,000

• Single-ended or differential input (NX-AD)

• Selecting channel to use, moving average, input disconnection detection, over range/under range detection, and user calibration

• Detachable front connector with screwless Push-In Plus terminals for easy installation and maintenance

• Compact with a width of 12 mm per unit

• Connect to the CJ PLC using the EtherNet/IPTM bus coupler

Sysmac is a trademark or registered trademark of OMRON Corporation in Japan and other countries for OMRON factory automation products.
EtherCAT® is a registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
EtherNet/IPTM is a trademark of ODVA.
Other company names and product names in this document are the trademarks or registered trademarks of their respective companies.

 

Applicable standards

Ask your OMRON representative for the most recent applicable standards for each model.

Analog Input Units

Product
name		 Specification Model
Num-
ber
of
points		 Input
range		 Reso-
lution		 Conver-
sion
value,
decimal
number
(0 to
100%)		 Over all
accuracy
(25°C)		 Input
method		 Con-
ver-
sion
time		 Input
impe-
dance		 I/O
refre-
shing
method
Voltage
Input
type
3187_lu_1_1		 2
points		 -10 to
+10 V		 1/8000 -4000 to
4000		 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 1 MΩ
min.		 Free-Run
refreshing		 NX-AD2603
Differential
Input		 NX-AD2604
1/30000 -15000
to 15000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD2608
4
points		 1/8000 -4000 to
4000		 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 Free-Run
refreshing		 NX-AD3603
Differential
Input		 NX-AD3604
1/30000 -15000
to 15000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD3608
8
points		 1/8000 -4000 to
4000		 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 Free-Run
refreshing		 NX-AD4603
Differential
Input		 NX-AD4604
1/30000 -15000
to 15000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD4608
Current
Input
type
3187_lu_1_2		 2
points		 4 to
20 mA		 1/8000 0 to 8000 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 250 Ω Free-Run
refreshing		 NX-AD2203
Differential
Input		 NX-AD2204
1/30000 0 to
30000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD2208
4
points		 1/8000 0 to 8000 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 Free-Run
refreshing		 NX-AD3203
Differential
Input		 NX-AD3204
1/30000 0 to
30000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD3208
8
points		 1/8000 0 to 8000 ±0.2%
(full
scale)		 Single-
ended input		 250
μs/
point		 85 Ω Free-Run
refreshing		 NX-AD4203
Differential
Input		 NX-AD4204
1/30000 0 to
30000		 ±0.1%
(full
scale)		 Differential
Input		 10
μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-AD4208

Analog Output Units

Product
name		 Specification Model
Num-
ber
of
points		 Output
range		 Reso-
lution		 Output setting
value, decimal
number
(0 to 100%)		 Over all
accuracy
(25°C)		 Con-
version
time		 I/O
refreshing
method
Voltage
Output
type
3187_lu_2_1		 2
points		 -10 to
+10V		 1/8000 -4000 to 4000 ±0.3%
(full scale)		 250 μs/
point		 Free-Run
refreshing		 NX-DA2603
1/30000 -15000 to
15000		 ±0.1%
(full scale)		 10 μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-DA2605
4
points		 1/8000 -4000 to 4000 ±0.3%
(full scale)		 250 μs/
point		 Free-Run
refreshing		 NX-DA3603
1/30000 -15000 to
15000		 ±0.1%
(full scale)		 10 μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-DA3605
Current
Output
type
3187_lu_2_2		 2
points		 4 to
20 mA		 1/8000 0 to 8000 ±0.3%
(full scale)		 250 μs/
point		 Free-Run
refreshing		 NX-DA2203
1/30000 0 to 30000 ±0.1%
(full scale)		 10 μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-DA2205
4
points		 1/8000 0 to 8000 ±0.3%
(full scale)		 250 μs/
point		 Free-Run
refreshing		 NX-DA3203
1/30000 0 to 30000 ±0.1%
(full scale)		 10 μs/
point		 Selectable
Synchronous
I/O refreshing
or Free-Run
refreshing		 NX-DA3205

Optional Products

Product name Specification Model
Unit/Terminal Block Coding Pins For 10 Units (Terminal Block: 30 pins, Unit: 30 pins) NX-AUX02
Product name Specification Model
No. of terminals Terminal number
indications		 Ground terminal
mark		 Terminal current
capacity
Terminal Block 8 A/B None 10 A NX-TBA082
12 NX-TBA122
16 NX-TBA162

Accessories

Not included.

 

General Specifications

Item Specification
Enclosure Mounted in a panel
Grounding method Ground to 100 Ω or less
Operating
environment		 Ambient operating temperature 0 to 55°C
Ambient operating humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage temperature -25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
Noise immunity 2 kV on power supply line (Conforms to IEC61000-4-4.)
Overvoltage category Category II: Conforms to JIS B3502 and IEC 61131-2.
EMC immunity level Zone B
Vibration resistance Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of
9.8 m/s2, 100 min each in X, Y, and Z directions
(10 sweeps of 10 min each = 100 min total)
Shock resistance Conforms to IEC 60068-2-27. 147 m/s2, 3 times each in X, Y, and
Z directions
Applicable standards * cULus: Listed (UL508), ANSI/ISA 12.12.01, EU: EN 61131-2, C-Tick
or RCM, KC Registration, NK, LR

* Ask your OMRON representative for the most recent applicable standards for each model.

Analog Input Unit Specifications

Analog Input Unit (voltage input type) 2 points NX-AD2603

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD2603
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_2_1		 Input method Single-ended input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.05 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_2_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_2_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 2 points NX-AD2604

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD2604
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_3_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.05 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_3_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_3_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 2 points NX-AD2608

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD2608
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_4_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.05 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_4_2
Installation orientation
and restrictions		 Installation orientation:
• • Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_4_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 4 points NX-AD3603

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD3603
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_5_1		 Input method Single-ended input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_5_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_5_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 4 points NX-AD3604

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD3604
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_6_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_6_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_6_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 4 points NX-AD3608

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD3608
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_7_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.45 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_7_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_7_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 8 points NX-AD4603

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD4603
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_8_1		 Input method Single-ended input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.45 W max.
• Connected to a Communi-
cations Coupler Unit
1.15 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_8_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_8_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 8 points NX-AD4604

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD4604
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_9_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.45 W max.
• Connected to a Communi-
cations Coupler Unit
1.15 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_9_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_9_3
Input disconnection
detection		 Not supported.

Analog Input Unit (voltage input type) 8 points NX-AD4608

Unit name Analog Input Unit
(voltage input type)		 Model NX-AD4608
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_10_1		 Input method Differential Input
Input range -10 to +10 V
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±15 V
Input impedance 1 MΩ min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.45 W max.
• Connected to a Communi-
cations Coupler Unit
1.15 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_10_2
Installation orientation
and restrictions		 Installation orientation:
• • Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_10_3
Input disconnection
detection		 Not supported.

Analog Input Unit (current input type) 2 points NX-AD2203

Unit name Analog Input Unit
(current input type)		 Model NX-AD2203
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_11_1		 Input method Single-ended input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.25 W max.
• Connected to a Communi-
cations Coupler Unit
0.90 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_11_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_11_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 2 points NX-AD2204

Unit name Analog Input Unit
(current input type)		 Model NX-AD2204
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_12_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.25 W max.
• Connected to a Communi-
cations Coupler Unit
0.90 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_12_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_12_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 2 points NX-AD2208

Unit name Analog Input Unit
(current input type)		 Model NX-AD2208
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_13_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.25 W max.
• Connected to a Communi-
cations Coupler Unit
0.90 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_13_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_13_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 4 points NX-AD3203

Unit name Analog Input Unit
(current input type)		 Model NX-AD3203
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_14_1		 Input method Single-ended input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.25 W max.
• Connected to a Communi-
cations Coupler Unit
0.90 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_14_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_14_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 4 points NX-AD3204

Unit name Analog Input Unit
(current input type)		 Model NX-AD3204
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_15_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.25 W max.
• Connected to a Communi-
cations Coupler Unit
0.90 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_15_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_15_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 4 points NX-AD3208

Unit name Analog Input Unit
(current input type)		 Model NX-AD3208
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_16_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 250 Ω min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.30 W max.
• Connected to a Communi-
cations Coupler Unit
0.95 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_16_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_16_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 8 points NX-AD4203

Unit name Analog Input Unit
(current input type)		 Model NX-AD4203
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_17_1		 Input method Single-ended input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 85 Ω
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.40 W max.
• Connected to a Communi-
cations Coupler Unit
1.05 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_17_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_17_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 8 points NX-AD4204

Unit name Analog Input Unit
(current input type)		 Model NX-AD4204
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_18_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 85 Ω
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.2% (full scale)
0 to 55℃ ±0.4% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.40 W max.
• Connected to a Communi-
cations Coupler Unit
1.05 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_18_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_18_3
Input disconnection
detection		 Supported.

Analog Input Unit (current input type) 8 points NX-AD4208

Unit name Analog Input Unit
(current input type)		 Model NX-AD4208
Number of points 8 points External connection
terminals		 Screwless clamping terminal block
(16 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_19_1		 Input method Differential Input
Input range 4 to 20 mA
Input conversion
range		 -5 to 105% (full scale)
Absolute maximum
rating		 ±30 mA
Input impedance 85 Ω
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.2% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 No supply Current capacity of
I/O power supply
terminal		 Without I/O power supply terminals
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.45 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_19_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_19_3
Input disconnection
detection		 Supported.

Analog Output Unit Specifications

Analog Output Unit (voltage output type) 2 points NX-DA2603

Unit name Analog Output Unit
(voltage output type)		 Model NX-DA2603
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_20_1		 Output range -10 to +10 V
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 5 kΩ min.
Output impedance 0.5 Ω max.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.3% (full scale)
0 to 55℃ ±0.5% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.40 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_20_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_20_3

Analog Output Unit (voltage output type) 2 points NX-DA2605

Unit name Analog Output Unit
(voltage output type)		 Model NX-DA2605
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_21_1		 Output range -10 to +10 V
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 5 kΩ min.
Output impedance 0.5 Ω max.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.3% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.40 W max.
• Connected to a Communi-
cations Coupler Unit
1.10 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_21_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_21_3

Analog Output Unit (voltage output type) 4 points NX-DA3603

Unit name Analog Output Unit
(voltage output type)		 Model NX-DA3603
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_22_1		 Output range -10 to +10 V
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 5 kΩ min.
Output impedance 0.5 Ω max.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.3% (full scale)
0 to 55℃ ±0.5% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.35 W max.
• Connected to a Communi-
cations Coupler Unit
1.25 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_22_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_22_3

Analog Output Unit (voltage output type) 4 points NX-DA3605

Unit name Analog Output Unit
(voltage output type)		 Model NX-DA3605
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_23_1		 Output range -10 to +10 V
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 5 kΩ min.
Output impedance 0.5 Ω max.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.3% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
1.60 W max.
• Connected to a Communi-
cations Coupler Unit
1.25 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_23_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram		 3187_sp_23_3

Analog Output Unit (current output type) 2 points NX-DA2203

Unit name Analog Output Unit
(current output type)		 Model NX-DA2203
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_24_1		 Output range 4 to 20 mA
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 600 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.3% (full scale)
0 to 55℃ ±0.6% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
2.10 W max.
• Connected to a Communi-
cations Coupler Unit
1.75 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_24_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions:
For upright installation: No restrictions
For any installation other than upright: Restricted as shown in the graph below.
3187_sp_24_3
Terminal connection
diagram		 3187_sp_24_4

Analog Output Unit (current output type) 2 points NX-DA2205

Unit name Analog Output Unit
(current output type)		 Model NX-DA2205
Number of points 2 points External connection
terminals		 Screwless clamping terminal block
(8 terminals)
I/O refreshing method Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicator TS indicator
3187_sp_25_1		 Output range 4 to 20 mA
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 600 Ω min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.3% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
2.10 W max.
• Connected to a Communi-
cations Coupler Unit
1.75 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_25_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions:
For upright installation: No restrictions
For any installation other than upright: Restricted as shown in the graph below.
3187_sp_25_3
Terminal connection
diagram		 3187_sp_25_4

Analog Output Unit (current output type) 4 points NX-DA3203

Unit name Analog Output Unit
(current output type)		 Model NX-DA3203
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_26_1		 Output range 4 to 20 mA
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 350 Ω min.
Resolution 1/8000 (full scale)
Overall
accuracy		 25℃ ±0.3% (full scale)
0 to 55℃ ±0.6% (full scale)
Conversion time 250 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
2.10 W max.
• Connected to a Communi-
cations Coupler Unit
1.80 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_26_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions:
For upright installation: No restrictions
For any installation other than upright: Restricted as shown in the graph below.
3187_sp_26_3
Terminal connection
diagram		 3187_sp_26_4

Analog Output Unit (current output type) 4 points NX-DA3205

Unit name Analog Output Unit
(current output type)		 Model NX-DA3205
Number of points 4 points External connection
terminals		 Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing
Indicator TS indicator
3187_sp_27_1		 Output range 4 to 20 mA
Output conversion
range		 -5 to 105% (full scale)
Allowable load
resistance		 350 Ω min.
Resolution 1/30000 (full scale)
Overall
accuracy		 25℃ ±0.1% (full scale)
0 to 55℃ ±0.3% (full scale)
Conversion time 10 μs/point
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Between the input and the NX bus:
Power = Transformer, Signal =
Digital isolator (no isolation between
inputs)
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)		 Dielectric strength 510 VAC between isolated circuits
for 1 minute at a leakage current of
5 mA max.
I/O power supply
method		 Supply from the NX bus Current capacity of
I/O power supply
terminal		 IOV: 0.1 A/terminal max.,
IOG: 0.1 A/terminal max.
NX Unit power
consumption		 • Connected to a CPU Unit or
Communication Control Unit
2.10 W max.
• Connected to a Communi-
cations Coupler Unit
1.80 W max.		 I/O current
consumption		 No consumption
Weight 70 g max.
Circuit layout 3187_sp_27_2
Installation orientation
and restrictions		 Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions:
For upright installation: No restrictions
For any installation other than upright: Restricted as shown in the graph below.
3187_sp_27_3
Terminal connection
diagram		 3187_sp_27_4

Version Information

Connected to a CPU Unit

Refer to the user’s manual for the CPU Unit details on the CPU Units to which NX Units can be connected.

NX Units Corresponding unit versions/versions
Model Unit version CPU Unit Sysmac Studio
NX-AD[][][][]
NX-DA[][][][]		 Ver.1.0 Ver.1.13 Ver.1.17
Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version,
support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the
specific Units for the relation between models and versions.

Connected to an EtherCAT Coupler Unit

NX Units Corresponding unit versions/versions
Model Unit version EtherCAT Coupler Unit CPU Unit or Industrial PC Sysmac Studio
NX-AD[][][][]
NX-DA[][][][]		 Ver.1.0 Ver.1.0 Ver.1.05 Ver.1.06
Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version,
support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the
specific Units for the relation between models and versions.

Connected to an EtherNet/IP Coupler Unit

NX Units Corresponding unit versions/versions
Model Unit
version		 Application with an NJ/NX/NY-series
Controller *1		 Application with a CS/CJ/CP-series
PLC *2
EtherNet/IP
Coupler Unit		 CPU Unit or
Industrial PC		 Sysmac
Studio		 EtherNet/IP
Coupler Unit		 Sysmac
Studio		 NX-IO
Configurator *3
NX-AD[][][][]
NX-DA[][][][]		 Ver.1.0 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version,
support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the
specific Units for the relation between models and versions.
*1 Refer to the user’s manual for the EtherNet/IP Coupler Units for information on the unit versions of EtherNet/IP Units
that are compatible with EtherNet/IP Coupler Units.
*2 Refer to the user’s manual for the EtherNet/IP Coupler Units for information on the unit versions of CPU Units and
EtherNet/IP Units that are compatible with EtherNet/IP Coupler Units.
*3 For connection to an EtherNet/IP Coupler Unit with unit version 1.0, connection is supported only for a connection to the
peripheral USB port on the EtherNet/IP Coupler Unit. You cannot connect by any other path. If you need to connect by
another path, use an EtherNet/IP Coupler Unit with unit version 1.2 or later.

Connected to Communication Control Units

NX Units Corresponding unit versions/versions
Model Unit version Communication Control Unit Sysmac Studio
NX-AD[][][][]
NX-DA[][][][]		 Ver.1.0 Ver.1.00 Ver.1.24
Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version,
support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the
specific Units for the relation between models and versions.

(Unit: mm)

Screwless Clamping Terminal Block Type

12 mm Width

NX-AD / DA Dimensions 2

* The dimension is 1.35 mm for Units with lot numbers through December 2014.

Catalog Name
Catalog Number
[size]
Last Update
 NX-AD/DA Data Sheet –
[5946KB]		 Aug 01, 2018
 NX-series I/O System Catalog R183-E1-09
[6683KB]		 Nov 01, 2018

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