Item
Specification
Safety input OFF voltage/OFF
current
5 VDC max./1 mA max.
Test output type
Sourcing outputs (PNP)
Test output rated current
50 mA max.
Test output ON residual voltage
1.2 V max. (IOV and all output terminals)
Test output leakage current
0.1 mA max.
Dimensions (mm)
12 × 100 × 71 (W × H × 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
Power supplied from the NX bus
Current capacity of I/O power
supply terminals
No applicable terminals.
NX Unit power consumption
•
Connected to a CPU UNIT or a Communication Control Unit
1.10 W max.
•
Connected to a Communications Coupler Unit
0.75 W max.
Current consumption from I/O
power supply
20 mA max.
Weight
70 g max.
Circuit layout
Internal Circuits
T0–1
Terminal block
Si0–7
I/O power
I/O power supply -
I/O power
I/O power supply -
NX bus
connector (left)
NX bus
connector
(right)
Terminal connection diagram
Si0 to Si7: Safety input terminals
T0, T1: Test output terminals
Si0
Safety Input Unit
NX-SID800
Safety Switch
A1
B1
A8
B8
Si1
T0
T1
Si2
Si3
T0
T1
Si4
Si5
T0
T1
Si6
Si7
T0
T1
2 Specifications
2 - 21
NX-series Safety Control Unit User's Manual (Z930)
2-2
Safety Input Unit
2
2-2-1
Models and Specifications
Summary of Contents for NX-SIH400
Page 4: ...Introduction 2 NX series Safety Control Unit User s Manual Z930 ...
Page 46: ...Revision History 44 NX series Safety Control Unit User s Manual Z930 ...
Page 108: ...2 Specifications 2 42 NX series Safety Control Unit User s Manual Z930 ...
Page 132: ...3 Installation and Wiring 3 24 NX series Safety Control Unit User s Manual Z930 ...
Page 148: ...4 Safety Control Unit Operation 4 16 NX series Safety Control Unit User s Manual Z930 ...
Page 216: ...5 System Configuration and Setup 5 44 NX series Safety Control Unit User s Manual Z930 ...
Page 306: ...6 Programming 6 90 NX series Safety Control Unit User s Manual Z930 ...
Page 390: ...8 Calculating Safety Reaction Times 8 12 NX series Safety Control Unit User s Manual Z930 ...
Page 412: ...11 Safety Data Logging 11 10 NX series Safety Control Unit User s Manual Z930 ...
Page 504: ...12 Troubleshooting 12 92 NX series Safety Control Unit User s Manual Z930 ...
Page 554: ...l I O Map Settings Appendices A 42 NX series Safety Control Unit User s Manual Z930 ...
Page 623: ...I Index I 1 NX series Safety Control Unit User s Manual Z930 I ...
Page 625: ......