IR104

Digital I/O

Max Input Ports: 20 lines (20 bits), optoisolated
Max Output Ports: 20 lines (20 bits), type SPST (form A) relays

A 1 in each bit turns that relay on, and a 0 turns it off. All relays power up in the off position. The output ports have read back capability. The inputs and outputs are fixed direction and don't need configuration prior to use.

Interrupts

Not supported on this board.

IR104 Universal Driver Functions

• dscIR104SetRelay()
• dscIR104ClearRelay()
• dscIR104RelayInput()
• dscIR104OptoInput()