Burkert 8681 Operating Instructions Manual page 69

Control Head Type 8681
120VAC-Design
120 V AC Electronics module, terminal strip configuration:
Service interface
Solenoid valve
connection with status
LED for Valve 1
Terminal strip
Protective conductor
(Protection earth)
Power supply (L/N)
Feedback signals
S1-S4 OUT
Control solenoid
valves Y1-3
Fig. 31: 120 V AC electronics module
Designation
Configuration
Terminal strip
Protection earth protective
PE
conductor
L Conductor
Neutral
N
conductor
S1 OUT Output position 1
S2 OUT Output position 2
S3 OUT Output position 3
S4 OUT External initiator output
Y1 Solenoid valve 1 input
Y2 Solenoid valve 2 input
Y3 Solenoid valve 3 input
Designation
Terminal strip
L
Power S4 IN
supply 120 V AC N
Teach-In buttons T1-3
Solenoid valve connections
with status LED for
Valves 2, 3
DIP switches for color
coding the LEDs
Connection for the
external initiator
Configuration for external
initiator
Power supply - conductor
External initiator input
Power supply - neutral conductor
English
69