PISO-1730U Card
32-ch Optically Isolated DIO Board (Sink, NPN)
User Manual/ Ver. 1.2/ Jan. 2015/ PMH-0025-11/ Page: 33
6.3.9 Read Card ID Register
(Read): wBase+0xd0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
ID3
ID2
ID1
ID0
For example:
wCardID=inportb(wBase+0xd0);
/* Read Card ID */