Omron NX Series Manual page 9

NX-CSG/SL5/SI/SO
Safety Input Units NX-SIH400/SID800
Unit name
Model
Number of safety input points
Number of test output points
Internal I/O common
Rated input voltage
OMRON special safety input
devices
Number of safety slave
connections
I/O refreshing method
External connection terminals
Indicators
Safety input current
Safety input ON voltage
Safety input OFF voltage/OFF
current
Test output type
Test output load current
Test output residual voltage
Test output leakage current
Dimensions
Isolation method
Insulation resistance
Dielectric strength
I/O power supply method
Current capacity of I/O power
supply terminals
NX Unit power consumption
Current consumption from I/O
power supply
Weight
Circuit layout
Terminal connection diagram
9
NX-SIH400
4 points
2 points
PNP (sinking inputs)
24 VDC (20.4 to 28.8 VDC)
Can be connected.
1
Free-Run refreshing
Screwless clamping terminal block (8 terminals)
TS indicator, FS indicator, input indicators (yellow), and input
error indicators (red)
4.5 mA TYP.
11 VDC min.
5 VDC max., 1 mA max.
Sourcing outputs (PNP)
25 mA max.
1.2 V max. (Between IOV and all output terminals)
0.1 mA max.
12 × 100 × 71 mm (W × H × D)
Photocoupler isolation
20 M min. between isolated circuits (at 100 VDC)
510 VAC for 1 min between isolated circuits, leakage current: 5 mA max.
Power supplied from the NX bus
No applicable terminals.
• Connected to a CPU Unit or a Communication Control Unit
1.10 W max.
• Connected to a Communications Coupler Unit
0.70 W max.
20 mA max.
70 g max.
T0 and T1
Terminal block
Si0 to Si3
I/O power
Left-side NX
supply +
bus connector
I/O power
supply −
Si0 to Si3: Safety input terminals
T0 and T1: Test output terminals
NX-SIH400
Safety
Input Unit
Safety switch
A1 B1
Si0 Si1
T0 T1
Si2 Si3
T0 T1
A8 B8
Refer to User's manual (Cat. No. P129-101) for details.
Safety Input Unit
NX-SID800
8 points
2 points
Cannot be connected.
Screwless clamping terminal block (16 terminals)
TS indicator, FS indicator, input indicators (yellow), and input
error indicators (red)
3.0 mA TYP.
15 VDC min.
50 mA max.
• Connected to a CPU Unit or a Communication Control Unit
1.10 W max.
• Connected to a Communications Coupler Unit
0.75 W max.
T0 and T1
Terminal block
Si0 to Si7
I/O power I/O power
Right-side NX Left-side NX
supply + supply +
bus connector bus connector
I/O power I/O power
supply − supply −
Si0 to Si7: Safety input terminals
T0 and T1: Test output terminals
NX-SIH800
Safety
Input Unit
A1
Si0
T0
Si2
T0
Si4
T0
Si6
T0
A8
Refer to User's manual (Cat. No. P129-101) for details.
I/O power
Right-side NX
supply +
bus connector
I/O power
supply −
Safety switch
B1
Si1
T1
Si3
T1
Si5
T1
Si7
T1
B8