X20(c)SC2212
Data sheet V1.141 X20(c)SC2212 Translation of the original documentation
11
7.1.1 GND feedback to connection element, no external GND
If the module is used in the following wiring mode, then a loss of GND will not cause any problems because current
is not able to flow via I
OUT
or I
GND
.
Type B output
Actuator
Protection
1
24 V
GND
Logic
IOUT
IGND
SELV
SOx
GND
Figure 3: GND feedback to connection element
Danger!
Other wiring methods
If another wiring method is used, the user must ensure that a safety-critical state cannot occur if there
are 2 external faults (open circuit, etc.). In addition, the current specifications for I
OUT
and I
GND
must be
taken into consideration in the event that the GND connection is lost.