Installing
3.4 Terminal strips on CU240E-2 Control Units
CU240B-2 and CU240E-2 Control Units
14 Compact Operating Instructions, 04/2015, A5E35792002B AA
Additional options for wiring the digital inputs
Connecting P-switching contacts with an external
If you wish to connect the potential of
an external power supply with the p
tential of the internal inverter po
supply, then you must connect "GND"
with terminals 34and 69.
Connecting M-switching contacts with an external
Connect terminals 69 and 34 with one
another.
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