Tunnel Master® wbc Installation Guide
Page 28
Tunnel Master® wbc Installation Guide
Page 28
WBC RELAY BOARD
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WBC Relay Board Terminal Blocks
COM
COM
N.O.
N.C.
COM
N.O.
B
A
A
C
B
C
COM
N.C.
R1
R3
Example Diagram of Relay Connections for Retracts
Power In
Power Out
Example Diagram explanation : Using R1, as
Normally Open, in this example as the main
contact that powers the output when "ON" to the
device and using R3, as the Normally Closed
when "OFF". This allows the programming of a
retract through the R3 contact meanwhile the R1
will remain in it's original state. R3 acts simply as
a pass through until the program activates it and it
interrupts or retracts the service on R1.
REV.
REV.
Date
5.12.15
Name
DDC
Drawn
Chk'd
App'd
This drawing contains proprietary and
confidential information of INNOVATIVE
CONTROL SYSTEMS. Neither the drawing
nor the information contained in it may be
copied or used for any purpose other than
that for which it is being provided. It may not
be disclosed in whole or in part to any party
other than the authorized recipient and must
be returned upon request.
Figure 23. WBC Relay Board Terminations Common Relay Output
Figure 22. Horizontal View of Two Relay Setup
