Power Supply For Plb 6Xxx (Fs) - HEIDENHAIN iTNC 530 HSCI Technical Manual

3.13 Power supply for PLB 6xxx (FS)

X3: +24 V NC, +24 V
PLC power supply
July 2013
Note
The control cyclically monitors the supply voltage of the PL 6xxx.
Power consumption of the PL 6xxx via X3 if every slot is used, including the
TS, TT:
At +24 V NC: max. 48 W

At +24 V PLC: max. 21 W

For more details regarding the power supply, see page 229.
The power to the PLC outputs is also supplied via the corresponding terminals
on the respective I/O module connectors for PLC outputs. The power
consumption of the +24 V PLC via X3 and the power consumption of the PLC
outputs add to each other.
Pin layout of X3:
Supply voltage for logic and PLC outputs
Connecting terminal Assignment
1 (top terminal) + 24 V NC
2 0 V NC (ground + 24 V NC)
3
Minimum wire cross section of
the power cables for 24 V PLC
4 + 24 V PLC
5 (bottom terminal) 0 V PLC (ground + 24 V PLC)
3.13 Power supply for PLB 6xxx (FS)
Protective ground
267