B&B Electronics RS-232 Digital Relay I/O 232DRIO - Manual (Page 18)

16 232DRIO-0308 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Figures 4.2 - 4.4 show examples of some typical input interfaces.
Figure 4.2 - Switch Input
Figure 4.3 - Solid State Input
232DRIO EXTERNAL CIRCUIT
5-30 Vdc/Vac
Opto Isolated Input
232DRIO EXTERNAL CIRCUIT
5-30 Vdc/Vac
Opto Isolated Input