1.2 USS - Modules
BU 0050 GB-3111 Subject to technical amendments 17
Removing customer units:
1. Switch off the mains voltage, observe the waiting period.
2. Remove the cover grid from the connection area by loosening the 2 screws and levering out the device
cover (slot) or simply pull it out.
3. Locking lever in the "open" position.
4. Using a screwdriver (as shown), lever the customer unit out of its engaged position and then remove it by
hand.
5. Move the locking lever to the "closed" position.
6. Replace all covers.
Motor temperature protection applies for all customer units!
For secure protection against motor overheating, a
temperature sensor (thermistor, PTC) can be connected
to any digital input.
The appropriate parameters (P420 ... P425, depending on
option) must be set to a value of 13 (PTC thermistor input)
for this purpose.
The supply voltage varies dependent upon the customer
unit. The lowest voltage possible should be chosen.
Internal switching in the inverter prevents excessive PTC
voltage.
The cable routing should always be separate from the motor cable and with shielded cables.
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