2 Specifications
2 - 10
NX-series Safety Control Unit User’s Manual (Z930)
Terminal connection diagram
Si0 to Si7: Safety input terminals
T0 and T1: Test output terminals
Refer to 3-3-1 Safety Input Functions on page 3-11 for details.
Installation orientation and
restrictions
Installation orientation: 6 possible orientations
Restrictions: Maximum ambient temperature is 50°C for any orientation
other than upright installation.
Protective functions Overvoltage protection circuit and short detection (test outputs)
NX-SID800
Safety
Input Unit
Safety switch
Si0
A1 B1
A8 B8
Si1
T0 T1
Si2 Si3
T0 T1
Si4 Si5
T0 T1
Si6 Si7
T0 T1
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