Voltage infeed from internal source (no electrical isolation)
Figure 5-50
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, xx/2014, J31069-D0171-U001-A15-7618
Readers
5.8 RF685R reader
221