Lenze 9400 Manual - Manual (Page 252)

Power supply modules
Wiring
Connecting busbars
6
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252 EDS94SPP101 EN 7.1
6.6.9 Connecting busbars
SSP94PN401
Fig. 6-9 Example: connecting busbars to DC power supply module
Proceed as follows to connect the busbars:
1. If devices of the interconnected system have already been in operation:
– Ensure that the power supply system is switched off by checking the voltage at the
supply terminals.
– If necessary, switch off the power supply and wait at least 3 minutes.
2. Loosen the busbar screws but do not remove them completely.
3. Push the busbars as far as possible to the left towards the adjacent busbar.
– Ensure that there is good contact to the adjacent busbar.
4. Tighten the busbar screws.
– Tightening torque: 3.2 ... 3.5 Nm (28 ... 31 lb-in).
5. Screw all components onto the mounting plate.
– Tightening torque: 3.4 Nm (30 lb-in).