| color | 32CH NPN only Board |
|---|---|
| Brand | eletechsup |
| Type | 32CH RS485 |
Check the listing for details. 32CH NPN/PNP Optically Isolated Input & 32CH 300MA NPN Solid State Relay. Color: 32CH NPN only Board, Condition: New. Listed at 27.28 USD. 3 32CH Optically Isolated Input Ports, NPN/PNP input. 4 32CH Darlington Transistor Outputs (ULN2803 NPN output). 1PCS DC12V-24V 32NPN/PNP Input & 32 NPN Output RS485 PLC IO Expansion Board. 13 Maximum load: the maximum load current of each channel is 300MA.