4.4.2.2 Series-connected electromechanical sensors
You can connect electromechanical sensors, for example, Emergency Stop command devices,
position switches in series.
If the sensors are simultaneously opened, then sensor faults can only be identified with some
restrictions.
If there is a risk of cross-circuits or short-circuits, the cables between the sensor and the inverter
must be protected, for example, by routing them in a steel tube.
The inverter supplies the power supply voltage
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The 24 V supply is not required when using the G110M option "24 V power supply", article number
6SL3555-0PV00-0AA0
Figure 4-10 Connecting electromechanical sensors to the inverter power supply in series
Installing
4.4 Controlling via a fail-safe digital input
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
66 Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
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