28 – 476 HEIDENHAIN Service Manual iTNC 530 HSCI
X6:
Single-channel
PLC outputs
Connections on the top of the UEC 11x:
23 single-channel PLC outputs
O0 to O22
X15 to X19:
Speed encoder
See “X15 to X20: 1 Vpp speed encoder” on page 28 – 465.
Terminal Signal designation Assignm. / Function
1a O4 24 V outputs, can be switched off via terminal X4.3a
(+24 V PLC.03)
2a O5
3a O6
4a O7
5a O12 24 V outputs, can be switched off via terminal X4.2a
(+24 V PLC.02)
6a O13
7a O14
8a O15
9a O20 24 V outputs, cannot be switched off
10a O21
11a O22
12a MC.RDY 24 V for control-is-ready signal output
1b O0 24 V outputs, can be switched off via terminal X4.3a
(+24 V PLC.03)
2b O1
3b O2
4b O3
5b O8 24 V outputs, can be switched off via terminal X4.2a
(+24 V PLC.02)
6b O9
7b O10
8b O11
9b O16 24 V outputs, cannot be switched off
10b O17
11b O18
12b O19
Each output of the UEC 11x may be loaded with a maximum current of 150 mA.
If the integrated PLC outputs do not suffice for the machine, you can connect up to 7 additional
external PL 61xx to the UEC 11x via the HSCI interface.
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