Festo 1971599, Manual

Page: 69 / 150

1. System overview CPX-FVDA-P2
1-39
Festo P.BE-CPX-FVDA-P2-EN en 1209NH English
Example 12 – permissible use of the CPX-FVDA-P2
Connection of additional loads to an output module within the
safety circuit.
M
0 V
OUT 1)
1 2
24 V
EL/SEN
. . .
Bus
. . .
4
3
Ax
Ax + 1
Ax + 2
P
0 V
VAL
24 V
VAL
M CH1/2
P CH1/2
0 V CH1/2
+24 V CH1/2
FE CH1/2
1
Output channel CH1 or CH2 of the
output module CPX-FVDA-P2
2
Internal system bus for functional
control of the loads
3
Functionally switched loads that are
disconnectable for safety engineering
reasons
4
Operating voltage supply, galvanically
isolated
1)
Signal designations from P.BE-CPX-EA-...
Fig. 1/19: Connection of additional loads via an output module
Note
•
Use only the existing connections for supply of the
additional loads.
•
Connect the additional loads in a potential-free manner
(no reference to FE or PE).