178 Function Library
DIP switch (SW1) or depend on slot sequence.Please refer
to_8102_initial().
do_value: Unsigned 16 bits value. Bit 0: D_out0, Bit 1: D_out1
*do_status: Digital output status. Bit 0: D_out0, Bit 1: D_out1
*di_status: Digital input status, Bit0~3: D_in0~3
*di_status_2: Digital input status, Bit0~15: D_in0~15