5 Commissioning
98 Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
Note
Impermissible voltage or overvoltage
The motor controller will be damaged if
1. the voltage exceeds the permissible range.
– Observe the maximum voltage level.
2. the mains phase (L1) is connec ted to connection [ X9] on the motor controller
“CMMS-AS/ CMMD-AS” prior to the neutral conductor (N).
– Use a mains switch with leading neutral conduc tor ( N).
3. the pins of the power supply have incorrect polarity at the connection “Power supply
[X9]”.
– Before switching on, check to ensure the power supply is connected to the cor-
rect pins at connection [X9].
4. the connections “Power supply [ X9]” and “Motor [X6] [X6.1/X6.2]” are interchanged.
– Before switching on, check to ensure the power supply is connected to connec-
tion [X9] and the motor is connected to connection [ X6] [X6.1/X6.2].
5. at the c onnec tion “Motor [X6] [X6.1/X6.2]” a motor phase has been short-circuited
with the PE c onductor.
– Before switching on, c hec k the motor phases at the c onnec tion “Motor
[X6] [X6.1/X6.2]” for PE shor t circuit.
6. the grounding or screening element is insufficient or has not been connected.
– Before switching on, c hec k to ensure the grounding and screening elements are
connected.
7. The plug c onnector is disc onnected during operat ion.
– Do not disconnect any plug connectors during operation.
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