Connecting
3.3 Connecting the interfaces on the PPU
Electrical Installation Manual
Operating Instructions, 12/2014, 6FC5397-2EP10-0BA0
37
Insert the Sub-D sockets into the RS232 interface X2 on the PPU and into the connector on
the PG/PC. Lock the connector into position using the knurled screws.
Use only shielded cables twisted in pairs; the shield must be connected to the metal or
metalized connector casing on the side of the control system.
The cable set offered as accessories provides maximum interference immunity.
Power supply interface - X1
The SINUMERIK 808D uses a DC 24 V power supply. You can connect the DC 24V power
supply via interface X1.
Type Combicon 4-pin
Cable Max. length: 10m
Table 3- 13 Pin assignment of X1
1 0 V M24 0 V
2 24 V P24 +24 V
3 0 V M24 0 V
4 24 V P24 +24 V
The 0V terminals as well as the 24 V terminals are internally connected in
parallel. This means that you can connect the 24 V power supply to either of
the terminal pairs.
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