Festo Контроллер позиционирования CPX-CMAX - Manual (Page 78)

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 conĆ
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 8DI 4DO
CMAX
8 A 8 A
1
MPA
2
Schematic representation:
3
24ĂV
VAL
0ĂV
VAL
24ĂV
OUT
0ĂV
OUT
24ĂV
EL/SEN
0ĂV
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)