February 2012 18 – 275
18.15.2 Supply voltage for PLC outputs on the UEC 11x
X31: Pin layout on the UEC 11x
Error messages and analysis with incorrect power supply at X31
--> See ”Power supply of the UEC 11x feedback control unit” on page 18 – 267.
18.15.3 Supply voltage for PLC outputs on the MB 620
X101: Assignment on MB 620:
Error messages and diagnosis with incorrect power supply at X101
--> See ”Power supply of the MB 620 machine operating panel” on page 18 – 268.
18.15.4 Supply voltage for PLC outputs on the PLB 62xx
X3:
+24 V NC and
+24 V PLC
Assignment on PLB 62xx:
Error messages and analysis with incorrect power supply at X3
--> See ”Power supply of the PLB 62xx system module” on page 18 – 272.
Connecting terminal Assignment
L1 400 Vac +/- 10%
50 Hz to 60 Hz
L2
L3
Connecting terminal Assignment
1+24 V
20 V
Connecting terminal Assignment
1 (top terminal) +24 V NC
2 0 V NC (ground +24 V NC)
3 Protective ground:
Minimum wire cross section of the power line for 24 V PLC
4+24 V PLC
5 (bottom terminal) 0 V PLC (ground +24 V PLC)
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