Terminal Assignment - Lenze L−force 9400 Série Instructions De Montage

5 Electrical installation
Wiring

Terminal assignment

5.3.3 Terminal assignment
I
Tip!
Complete the wiring of the installation backplane before plugging
in the standard device. The upper terminals of the installation
backplane cannot be connected with a plugged−in standard device.
IT system
(
Stop!
Overvoltage on components:
On IT systems an earth fault in the installation can cause
impermissible overvoltages.
Possible consequences:
Destruction of the device.
Protective measures:
If the devices are operated on IT systems, the internal connection of
the filters to the protective earth in the installation backplane has
to be disconnected.
1
2
Fig. 5−3 Plugging the IT insulating cap onto the earthing jumper
Proceed as follows to disconnect the internal connection between the filters
and PE:
1. Remove IT insulating cap from the parking position  in the installation
backplane.
–
For this apply a screwdriver on the right or left and lever off the
insulating cap.
–
Optionally the insulating cap can be carefully removed using an
appropriate pliers.
2. Attach IT insulating cap to the earthing jumper ‚ until it clicks into place.
50
l
SSP94IT001
EDK94ZPS113 DE/EN/FR/ES/IT 6.0