Operation
8.5 Special functions
Installation and Operating Instructions SINAMICS G180
158 Operating Instructions, 02/2019, 4BS0751-007
Table 8- 8 Line contactor functions
External control voltage fuse protection
-F2 Inverter output section fuse protection
-K1 Input side main contactor
Design recommendation: AC1 current of the contactor is at least the inverter input current
101, 102 External control voltage for the 230 V inverter
Digital output for the main contactor control
Mains power connection switched via main contactor
Main contactor feedback input
Jumper for ground connection
Coil currents in excess of 1 A at contact 41/42
If you load the contact 41/42 with coil currents of more than 1 A, the contact can be
destroyed.
In the case of coil currents of more than 1 A, connect an auxiliary relay between terminal
41/42 and the main contactor coil.
Make the following settings in order to activate the main contactor function:
● The preselection for the inputs/outputs for the control must be as follows:
– "P-DRIVE DATA/A=Namur" or
– "P-DIGITAL OUTPUTS/Relay 2=MainCntctr" and "P-OPERATION/Feedb.MC=X2:8"
● For "P-INV. BEHAVIOUR/MCfunc" the setting "LinC…" must be input.
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