Festo 1971599, Руководство пользователя

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1. System overview CPX-FVDA-P2
1-31
Festo P.BE-CPX-FVDA-P2-EN en 1209NH English
Example 4 – permissible use of the CPX-FVDA-P2
Caution
This connection of potential-free loads is not permissible
for the formation of a safety circuit.
2 1
4
+24 V
or
3
0 V
or
0 V
VAL
24 V
VAL
M CH1/2
P CH1/2
0 V CH1/2
+24 V CH1/2
0 V
VAL
24 V
VAL
M CH2/1
P CH2/1
0 V CH2/1
+24 V CH2/1
1
Output channel CH1 or CH2 of the
output module CPX-FVDA-P2
2
Safety relay 1
3
Output channel CH2 or CH1 of the
output module CPX-FVDA-P2
4
Safety relay 2
Fig. 1/11: Impermissible connection of potential-free individual consumers, using safety
relays as an example