Omron NX Series Manual page 10

Unit name
Installation orientation and
restrictions
Protective functions
Installation orientation:
• Connected to a CPU Unit or a Communication Control Unit
Possible in the upright installation orientation.
• Connected to a Communications Coupler Unit
6 possible orientations.
Restrictions: Maximum ambient temperature is 50°C for any orientation other than upright installation.
Overvoltage protection circuit and short detection (test outputs)
NX-CSG/SL5/SI/SO
Safety Input Unit
10