User`s manual

8.4.3 Jumper Setting:
Note: user should remove R19, R20, R21, R22, R23 in the 7188XC first.
J1: I/O expansion bus, connect to J1 of 7188XC
J2: I/O expansion bus, connect to J2 of 7188XC
J7: Two channels of isolated DI
TP0: Original function on 7188XC
TP1: Five channels of isolated DI
Jumper: Select TP0 or TP1 function
TP0: JP9 and JP8 closed
TP1: JP9 and JP10 closed
8.4.4 Programming:
SetTo10Dir(1); XDI1=GetTo1(); // set to D/I & read D/I, channel_1
SetTi1Dir(1); XDI2=GetTi1(); // set to D/I & read D/I, channel_2
SetDio9Dir(1); XDI3=GetDio9(); // set to D/I & read D/I, channel_3
SetDio14Dir(1); XDI4=GetDio14(); // set to D/I & read D/I, channel_4
SetDio4Dir(1); XDI5=GetDio4(); // set to D/I & read D/I, channel_5
SetTi0Dir(1); XDI6=GetTi0(); // set to D/I & read D/I, channel_6
SetTo0Dir(1); XDI7=GetTo0(); // set to D/I & read D/I, channel_7
I/O Expansion Bus for 7188X/7188E User’s Manual, Jun/2004 v1.4, 7PH-000-14---49