Tunnel Master® wbc Installation Guide
Page 19
NOTES:
1. Each momentary start/stop station must be home-run with 18/4 shielded cable back to the input-
conveyor interlock board inside the controller cabinet. The station may be with or without a lockout
on the stop circuit. If a mechanical interlock exists between the start and stop circuits within this
station, it must be removed prior to testing the conveyor.
2. Each push/pull e-stop mushroom button must be home-run with 18/2 shielded cable back to the
input-conveyor interlock board inside the controller cabinet. The e-stop button may be with or
without a lockout.
3. Ground shield drains on controller cabinet ground.
Manual Bypass, Conveyor, and Horn Wiring
Wiring is to be done on the input board.
NC
NO
COM
NC
NO
COM
NC
NO
COM
HORN
RELAY
AUXILIARY
RELAY
CONVEYOR
RELAY
SITE SUPPLIED
ELECTRICAL INPUT
LINE
NEUTRAL
DEVICE THAT
FOLLOWS THE
CONVEYOR RELAY
(SEE NOTE #1)
CONVEYOR MOTOR
STARTER LOCATED
IN MOTOR CONTROL
PANEL (SEE NOTE #2)
CONVEYOR HORN
(SEE NOTE #3)
WBC
Input Board
N L
N L
Figure 14. Manual Bypass, Conveyor, and Horn Wiring
