Voltage infeed from internal source (no electrical isolation)
Figure 5-11
Circuit example 1: Digital inputs
Alternative connection possibilities:
● Pin 2 (VCC) to Pin 9 DI Common
● Pin 1 GND to busbar inputs
SIMATIC RF600
System Manual, 11/2018, J31069-D0171-U001-A21-7618
Readers
5.3 SIMATIC RF650R
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