HEIDENHAIN MANUALPLUS 620 - Page 231

January 2012 3.15 Digital PLC Inputs/Outputs 231
X104 – Safety:
Dual-channel PLC
inputs (on the front)
Connections on the front of the UxC 11x FS:
 8 dual-channel PLC inputs:
I0.A to I7.A
I0.B to I7.B
Terminal Signal designation Assignm. / Function
1a +24 V.A 24 V supply of the outputs O0.A to O7.A
2a +24 V.B 24 V supply of the outputs O0.B to O7.B
3a +24 V.C 24 V supply of the outputs O8.A to O15.A
4a Do not assign
5a I4.B 24 V inputs
6a I5.B
7a I6.B
8a I7.B
9a I4.A
10a I5.A
11a I6.A
12a I7.A
1b Do not assign
2b Do not assign
3b Do not assign
4b Do not assign
5b I0.B 24 V inputs
6b I1.B
7b I2.B
8b I3.B
9b I0.A
10b I1.A
11b I2.A
12b I3.A
Note
If the integrated PLC inputs do not suffice for your application, you can con-
nect up to 7 additional external PL 61xx expansion PLs to the UxC 111FS
via the HSCI interface.