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NX-ID / IA

NX-series Digital Input Unit

NX-ID / IA

A Wide Range of Digital Input Units from General Purpose use to High- Speed Synchronous Control

General Specification

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) or Listed (UL 61010-2-201), ANSI/ISA 12.12.01,
EU: EN 61131-2 or EN 61010-2-201, C-Tick or RCM, KC: KC Registration, NK, LR

* Refer to the OMRON website (http://www.ia.omron.com/support/models/index.html) or consult your OMRON
   representative for the most recent applicable standards for each model.

Digital Input Unit Specifications

DC Input Unit (Screwless Clamping Terminal Block 12 mm, Width)

NX-ID3317

Unit name DC Input Unit Model NX-ID3317
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
Indicators TS indicator,
input indicator
3185_sp_2_1
Internal I/O common NPN
Rated input voltage 12 to 24 VDC (9 to 28.8 VDC)
Input current 6 mA typical (at 24 VDC), rated current
ON voltage/ON current 9 VDC min./3 mA min. (between IOV
and each signal)
OFF voltage/OFF
current
2 VDC max./1 mA max. (between IOV
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_2_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_2_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID3343

Unit name DC Input Unit Model NX-ID3343
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
Indicators TS indicator,
input indicator
3185_sp_3_1
Internal I/O common NPN
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min. (between IOV
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between IOV
and each signal)
ON/OFF response
time
100 ns max./100 ns max.
Input filter time Without filter, 1 μs, 2 μs, 4 μs, 8 μs
(factory setting), 16 μs, 32 μs, 64 μs,
128 μs, 256 μs
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Digital isolator isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
30 mA max.
Weight 65 g max.
Circuit layout
3185_sp_3_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_3_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID3344

Unit name DC Input Unit Model NX-ID3344
Number of points 4 points External connection
terminals
Screwless clamping terminal block (12
terminals)
I/O refreshing
method
Input refreshing with input changed time
Indicators TS indicator,
input indicator
3185_sp_4_1
Internal I/O common NPN
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min. (between IOV
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between IOV
and each signal)
ON/OFF response
time
100 ns max./100 ns max.
Input filter time No filter
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Digital isolator isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
30 mA max.
Weight 65 g max.
Circuit layout
3185_sp_4_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_4_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID3417

Unit name DC Input Unit Model NX-ID3417
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
Indicators TS indicator,
input indicator
3185_sp_5_1
Internal I/O common PNP
Rated input voltage 12 to 24 VDC (9 to 28.8 VDC)
Input current 6 mA typical (at 24 VDC), rated current
ON voltage/ON current 9 VDC min./3 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
2 VDC max./1 mA max. (between IOG
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_5_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_5_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID3443

Unit name DC Input Unit Model NX-ID3443
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
Indicators TS indicator,
input indicator
3185_sp_6_1
Internal I/O common PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between IOG
and each signal)
ON/OFF response
time
100 ns max./100 ns max.
Input filter time Without filter, 1 μs, 2 μs, 4 μs, 8 μs
(factory setting),16 μs, 32 μs, 64 μs,
128 μs, 256 μs
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Digital isolator isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
30 mA max.
Weight 65 g max.
Circuit layout
3185_sp_6_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_6_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID3444

Unit name DC Input Unit Model NX-ID3444
Number of points 4 points External connection
terminals
Screwless clamping terminal block (12
terminals)
I/O refreshing
method
Input refreshing with input changed time
Indicators TS indicator,
input indicator
3185_sp_7_1
Internal I/O common PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min.
(between IOG and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max.
(between IOG and each signal)
ON/OFF response
time
100 ns max./100 ns max.
Input filter time No filter
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Digital isolator isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
30 mA max.
Weight 65 g max.
Circuit layout 3185_sp_7_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_7_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID4342

Unit name DC Input Unit Model NX-ID4342
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
Indicators TS indicator,
input indicator
3185_sp_8_1
Internal I/O common NPN
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between IOG
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_8_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_8_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID4442

Unit name DC Input Unit Model NX-ID4442
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
Indicators TS indicator,
input indicator
3185_sp_9_1
Internal I/O common PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./3 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between IOG
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
0.90 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_9_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_9_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID5342

Unit name DC Input Unit Model NX-ID5342
Number of points 16 points External connection
terminals
Screwless clamping terminal block (16
terminals)
I/O refreshing
method
Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicators TS indicator,
input indicator
3185_sp_10_1
Internal I/O common NPN
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./2 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
5 VDC max./0.5 mA max. (between IOG
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.90 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_10_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_10_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID5442

Unit name DC Input Unit Model NX-ID5442
Number of points 16 points External connection
terminals
Screwless clamping terminal block (16
terminals)
I/O refreshing
method
Selectable Synchronous I/O refreshing or Free-Run refreshing
Indicators TS indicator,
input indicator
3185_sp_11_1
Internal I/O common PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 3.5 mA typical (at 24 VDC), rated
current
ON voltage/ON current 15 VDC min./2 mA min. (between IOG
and each signal)
OFF voltage/OFF
current
5 VDC max./0.5 mA max. (between IOG
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time Without filter, 0.25 ms, 0.5 ms, 1 ms
(factory setting), 2 ms, 4 ms, 8 ms, 16
ms, 32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.90 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
No consumption
Weight 65 g max.
Circuit layout
3185_sp_11_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_11_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

DC Input Units (M3 Screw Terminal Block, 30 mm Width)

NX-ID5142-1

Unit name DC Input Unit Model NX-ID5142-1
Number of points 16 points External connection
terminals
M3 screw terminal block (18 terminals)
I/O refreshing
method
Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator,
input indicator
3185_sp_16_1
Internal I/O common For both NPN/PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 7 mA typical (at 24 VDC)
ON voltage/ON current 15 VDC min./3 mA min. (between COM
and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max. (between COM
and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms (default),
2 ms, 4 ms, 8 ms, 16 ms, 32 ms, 64 ms,
128 ms, 256 ms
Dimensions 30 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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 external source Current capacity of
I/O power supply
terminal
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.85 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
No consumption
Weight 125 g max.
Circuit layout 3185_sp_16_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_16_3
Terminal
connection diagram
3185_sp_16_4
• The polarity of the input power supply can be connected in either direction.
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

DC Input Units (MIL Connector, 30 mm Width)

NX-ID5142-5

Unit name DC Input Unit Model NX-ID5142-5
Number of points 16 points External connection
terminals
MIL connector (20 terminals)
I/O refreshing
method
Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator,
input indicators
3185_sp_12_1
Internal I/O common For both NPN/PNP
Rated input voltage 24 VDC (15 to 28.8 VDC)
Input current 7 mA typical (at 24 VDC)
ON voltage/ON current 15 VDC min./3 mA min.
(between COM and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max.
(between COM and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms, 16 ms,
32 ms, 64 ms, 128 ms, 256 ms
Dimensions 30 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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 external source Current capacity of
I/O power supply
terminal
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.85 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
No consumption
Weight 85 g max.
Circuit layout 3185_sp_12_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_12_3
Terminal
connection diagram
3185_sp_12_4
• The polarity of the input power supply can be connected in either direction.
• Be sure to wire both pins 3 and 4 (COM), and set the same polarity for both pins.
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

NX-ID6142-5

Unit name DC Input Unit Model NX-ID6142-5
Number of points 32 points External connection
terminals
MIL connector (40 terminals)
I/O refreshing
method
Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator,
input indicators
3185_sp_13_1
Internal I/O common For both NPN/PNP
Rated input voltage 24 VDC (19 to 28.8 VDC)
Input current 4.1 mA typical (24 VDC)
ON voltage/ON current 19 VDC min./3 mA min.
(between COM and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max.
(between COM and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms, 16 ms,
32 ms, 64 ms, 128 ms, 256 ms
Dimensions 30 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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 external source Current capacity of
I/O power supply
terminal
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.90 W max.
• Connected to a
Communications Coupler Unit
0.60 W max.
Current
consumption from
I/O power supply
No consumption
Weight 90 g max.
Circuit layout 3185_sp_13_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_13_3
Terminal
connection diagram
3185_sp_13_4
• The polarity of the input power supply can be connected in either direction.
• Be sure to wire both pins 23 and 24 (COM0), and set the same polarity for both pins.
• Be sure to wire both pins 3 and 4 (COM1), and set the same polarity for both pins.
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

DC Input Units (Fujitsu Connector, 30 mm Width)

NX-ID6142-6

Unit name DC Input Unit Model NX-ID6142-6
Number of points 32 points External connection
terminals
Fujitsu connector (40 terminals)
I/O refreshing
method
Switching Synchronous I/O refreshing and Free-Run refreshing
Indicators TS indicator,
input indicator
3185_sp_17_1
Internal I/O common For both NPN/PNP
Rated input voltage 24 VDC (19 to 28.8 VDC)
Input current 4.1 mA typical (24 VDC)
ON voltage/ON current 19 VDC min./3 mA min.
(between COM and each signal)
OFF voltage/OFF
current
5 VDC max./1 mA max.
(between COM and each signal)
ON/OFF response
time
20 μs max./400 μs max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms (default),
2 ms, 4 ms, 8 ms, 16 ms, 32 ms, 64 ms,
128 ms, 256 ms
Dimensions 30 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
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 external source Current capacity of
I/O power supply
terminal
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.95 W max.
• Connected to a
Communications Coupler Unit
0.55 W max.
Current
consumption from
I/O power supply
No consumption
Weight 90 g max.
Circuit layout 3185_sp_17_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_17_3
Terminal
connection diagram
3185_sp_17_4
• The polarity of the input power supply can be connected in either direction.
• Be sure to wire both pins A9 and A18 (COM0), and set the same polarity for both pins.
• Be sure to wire both pins B9 and B18 (COM1), and set the same polarity for both pins.
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

AC Input Units (Screwless Clamping Terminal Block, 12 mm Width)

NX-IA3117

Unit name AC Input Unit Model NX-IA3117
Number of points 4 points,
independent contacts
External connection
terminals
Screwless clamping terminal block (8
terminals)
Capacity Free-Run refreshing
Indicators TS indicator,
input indicator
3185_sp_14_1
Internal I/O common No polarity
Rated input voltage 200 to 240 VAC, 50/60 Hz (170 to
264 VAC, ±3 Hz)
Input current 9 mA typical (at 200 VAC, 50 Hz)
11 mA typical (at 200 VAC, 60 Hz)
ON voltage/
ON current
120 VAC min./4 mA min.
OFF voltage/
OFF current
40 VAC max./2 mA max.
ON/OFF response time 10 ms max./40 ms max.
Input filter time No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms, 16 ms,
32 ms, 64 ms, 128 ms, 256 ms
Dimensions 12 (W) x 100 (H) x 71 (D) Isolation method Photocoupler isolation
Insulation
resistance
Between each AC input
circuit: 20 MΩ min. (at 500
VDC)
Between the external
terminals and the functional
ground terminal: 20 MΩ min.
(at 500 VDC)
Between the external
terminals and internal
circuits: 20 MΩ min. (at 500
VDC)
Between the internal circuit
and the functional ground
terminal: 20 MΩ min. (at 100
VDC)
Dielectric strength Between each AC input circuit:
AC3700V VAC for 1 min at a leakage
current of 5 mA max.
Between the external terminals and
functional ground terminal: 2300 VAC
for 1 min at a leakage current of 5 mA
max.
Between the external terminals and
internal circuits: 2300 VAC for 1 min
at a leakage current of 5 mA max.
Between the internal circuit and the
functional ground terminal: 510 VAC
for 1 min at a leakage current of 5 mA
max.
I/O power supply
method
Supplied from external
source.
Current capacity of
I/O power supply
terminal
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
0.80 W max.
• Connected to a
Communications Coupler Unit
0.50 W max.
Current
consumption from
I/O power supply
No consumption
Weight 60 g max.
Circuit layout
3185_sp_14_2
Installation
orientation and
restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: No restrictions
Terminal
connection diagram
3185_sp_14_3
Disconnection/
Short-circuit
detection
Not supported. Protective function Not supported.

Version Information

Connecting with CPU Units

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

NX Unit Corresponding versions *
Model Unit version CPU Unit Sysmac Studio
NX-ID3317 Ver.1.0 Ver.1.13 or later Ver.1.17 or higher
NX-ID3343
NX-ID3344
NX-ID3417
NX-ID3443
NX-ID3444
NX-ID4342
NX-ID4442
NX-ID5142-1
NX-ID5142-5
NX-ID5342
NX-ID5442
NX-ID6142-5
NX-ID6142-6
NX-IA3117

* 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.

Connecting with Coupler Units

NX Unit Corresponding versions *1
Model Unit
Version
EtherCAT EtherNet/IP
Communi-
cations
Coupler
Unit
NJ/NX-series
CPU Units or
NY-series
Industrial PCs
Sysmac
Studio
Communi-
cations
Coupler
Unit
Sysmac
Studio
NX-ID3317 Ver.1.0 Ver.1.0 or later Ver.1.05 or later Ver.1.06 or higher Ver.1.0 or later Ver.1.10 or higher
NX-ID3343
NX-ID3344 Ver.1.1 or later Ver.1.06 or later *2 Ver.1.07 or higher --- ---
NX-ID3417 Ver.1.0 or later Ver.1.05 or later Ver.1.06 or higher Ver.1.0 or later Ver.1.10 or higher
NX-ID3443
NX-ID3444 Ver.1.1 or later Ver.1.06 or later *2 Ver.1.07 or higher --- ---
NX-ID4342 Ver.1.0 or later Ver.1.05 or later Ver.1.06 or higher Ver.1.0 or later Ver.1.10 or higher
NX-ID4442
NX-ID5142-1 Ver.1.13 or higher Ver.1.13 or higher
NX-ID5142-5 Ver.1.10 or higher Ver.1.10 or higher
NX-ID5342 Ver.1.06 or higher
NX-ID5442
NX-ID6142-5 Ver.1.10 or higher
NX-ID6142-6 Ver.1.13 or higher Ver.1.13 or higher
NX-IA3117 Ver.1.08 or higher Ver.1.10 or higher

*1 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.
*2 The instructions for time stamp refreshing are supported by CPU Units with unit version 1.06 or later. If you do not use
     instructions for time stamp refreshing, you can use version 1.05. Refer to the NJ/NX-series Instructions Reference
     Manual (Cat. No. W502) for details on the instructions for time stamp refreshing.