Readers
5.4 SIMATIC RF680R
SIMATIC RF600
148 System Manual, 11/2018, J31069-D0171-U001-A21-7618
The following diagrams illustrate various connection possibilities.
Note
Minimum time between changes
Note that changes on the I/O interface that are n
ot applied for at least 1.5 seconds are not
Voltage infeed from internal source (no electrical isolation)
Figure 5-20 Circuit example 1: Digital inputs
Alternative connection possibilities:
● Pin 2 (VCC) to Pin 9 DI Common
● Pin 1 GND to busbar inputs
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