Festo Checkbox Compact CHB-C-X - Page 128

A. Technical appendix
A-21
Festo P.BE-CB-COMP-EN en 1102d
Internal circuitry Function
ACTUATORS PLC
3 4 GND
O/4 O/1 Actuator 1
O/2 O/2 Actuator 2
O/1 O/3 Actuator 3
BUFFER/FEEDER PLC
O/1 O/21
– 24 V reference voltage for
buffer zone sensors
– Ready for operation
– Controlling the conveyor device
O/2 O/8 24 V power output for controlling
a small parts conveyor (feeder)
3 4
0 V reference voltage for
buffer zone sensors
I/4
I/12
Bufferzonesensor1
------ I/13 Bufferzonesensor2
Tab. A/13: Internal circuitry of the connections