Owner's manual

3. Electrical installation
3−18
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
3.4.3 Disconnecting the load voltage in connection with a brake or
clamping unit
In the example, circuitry for a brake or clamping unit is con
nected to the brake output. When switching off, or when the
CMAX valve load supply drops out, the brake or clamping unit
is activated.
8DI
8DI4DO
CMAX
8 A8 A
1
MPA
2
Schematic representation:
3
24V
VAL
0V
VAL
24V
OUT
0V
OUT
24V
EL/SEN
0V
EL/SEN
1 Brake output of the VPWP proportional directional control valve
2 Activation/deactivation of the brake/clamping unit by the CMAX
3 Activation of the brake/clamping unit by switching off the load voltage
Fig.3/4: Switching off the load voltage supply of the brake output at the VPWP together
with the valve load supply (example)