Activating Several Inverters Simultaneously - Siemens SINAMICS G120 Function Manual
Frequency inverter
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External power supply
Connect the external power supply to the sensors and connect the reference potentials of
the inputs used to the reference potential of the external power supply.
Figure 3-5
3.2.2.4
Activating several inverters simultaneously
You may activate the safety functions of several inverters simultaneously with one or several
series-connected safety sensors.
Inverter delivers supply voltage
Connect the 24 V supply of the inverter to the sensors and connect the reference potentials
of the inputs used to GND.
Figure 3-6
Safety Integrated Function Manual, SINAMICS G120
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA
Connecting electromechanical sensors to an external power supply in series
Simultaneous activation of several inverters with inverter power supply
Activation
3.2 Activation via F-DI
47
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