Datasheet
NX series I/O 5
Digital I/O unit
Digital input unit (24 VDC)
Item Specifications
Model NX-ID3317 NX-ID4342 NX-ID5342 NX-ID3343 NX-ID3417 NX-ID4442 NX-ID5442 NX-ID3443
Name DC input unit
Internal I/O common NPN PNP
Capacity 4 points 8 points 16 points 4 points 4 points 8 points 16 points 4 points
Rated input voltage 12 to 24 VDC
(9 to 28.8 VDC)
24 VDC
(15 to 28.8 VDC)
12 to 24 VDC
(9 to 28.8 VDC)
24 VDC
(15 to 28.8 VDC)
Input current
*1
*1. Typical rated current at 24 VDC.
6 mA 3.5 mA 2.5 mA 3.5 mA 6 mA 3.5 mA 2.5 mA 3.5 mA
ON voltage 9 VDC min. 15 VDC min. 9 VDC min. 15 VDC min.
ON current 3 mA min. 3 mA min. 2 mA min. 3 mA min. 3 mA min. 3 mA min. 2 mA min. 3 mA min.
OFF voltage 2 VDC max. 5 VDC max. 2 VDC max. 5 VDC max.
OFF current 1 mA max. 0.5 mA max. 1 mA max. 1 mA max. 0.5 mA max. 1 mA max.
ON/OFF response time 20 s max./400 s max. 100 ns max. 20 s max./400 s max. 100 ns max.
Input filter time Default setting: 1 ms
*2
*2. Input filter time: No filter, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256 ms.
Default setting:
8 s
*3
*3. Input filter time: No filter, 1, 2, 4, 8, 16, 32, 64, 128, 256 s.
Default setting: 1 ms
*2
Default setting:
8 s
*3
Dielectric strength 510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
Insulation resistance 20 M min. between isolated circuits (at 100 VDC)
Isolation method Photocoupler isolation Digital isolator Photocoupler isolation Digital isolator
Unit power consumption 0.50 W max. 0.50 W max. 0.55 W max. 0.55 W max. 0.50 W max. 0.50 W max. 0.55 W max. 0.55 W max.
I/O power supply method Supply from the NX bus
I/O current consumption No consumption 30 mA max. No consumption 30 mA max.
Current capacity of I/O
power supply terminal
0.1 A/terminal max. Without I/O
power supply
terminals
0.1 A/terminal
max.
0.1 A/terminal max. Without I/O
power supply
terminals
0.1 A/terminal
max.
I/O refreshing method Switching synchronous I/O refreshing and free-run refreshing
Terminal block type Screwless
push-in terminal
12 terminals
(A + B)
Screwless
push-in terminal
16 terminals
(A + B)
Screwless
push-in terminal
16 terminals
(A + B)
Screwless
push-in terminal
12 terminals
(A + B)
Screwless
push-in terminal
12 terminals
(A + B)
Screwless
push-in terminal
16 terminals
(A + B)
Screwless
push-in terminal
16 terminals
(A + B)
Screwless
push-in terminal
12 terminals
(A + B)
Dimensions (W x H x D) 12 × 100 × 71 mm
Weight 65 g max.
Disconnection/
short-circuit detection
Not supported
Protective function Not supported
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
IN0
IOG0
IOV2
IOV0
A1 B1
A8 B8
IN2
IOG2
IN1
IOG1
IOV3
IOV1
IN3
IOG3
A1 B1
A8 B8
24 VDC
NX-ID4342
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
24 VDC
A1 B1
A8 B8
A1
B1
A8
B8
IN0
IN2
IN4
IOG0
A1 B1
A8 B8
IOG2
IOG4
IN1
IN3
IN5
IOG1
IOG3
IOG5
IN6
IOG6
IN7
IOG7
Terminal wiring
NX-ID3317
Circuit layout
NX-ID3317
IOV0 to 3
IN0 to IN3
IOG0 to 3
Terminal block
I/O power supply +
I/O power supply
Internal circuits
I/O power supply +
I/O power supply
IOV0 to 3
IN0 to IN3
IOG0 to 3
Terminal block
I/O power supply +
I/O power supply
Internal circuits
Isolation circuit
I/O power supply +
I/O power supply
NX-ID3343
IN0 to IN7
IOG0 to 7
Terminal block
I/O power supply +
I/O power supply
Internal circuits
I/O power supply +
I/O power supply
NX-ID4342
NX-ID3343
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
IN0
IOG0
IOV2
IOV0
A1 B1
A8 B8
IN2
IOG2
IN1
IOG1
IOV3
IOV1
IN3
IOG3
A1 B1
A8 B8
24 VDC
Current control
circuit
Current control
circuit
Current control
circuit
NX bus
connector
(left)
NX bus
connector
(right)
NX bus
connector
(left)
NX bus
connector
(right)
NX bus
connector
(left)
NX bus
connector
(right)
Power
supply
Additional I/O
power supply unit
DC input unit
NX-ID3317
Two-wire
sensor
Three-wire
sensor
Additional I/O
power supply unit
DC input unit
NX-ID3343
Two-wire
sensor
Three-wire
sensor
Additional I/O
power supply unit
I/O power supply
connection unit
DC input unit
NX-ID4342
Two-wire
sensor
Three-wire
sensor