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Installation and Operations Manual
— Model 400 Series
TROUBLESHOOTING
19
B&B ARMR
A Division of B&B Roadway and Security Solutions 04X0 Rev G
2.5.5 Connect the hoses to the motor and also the locking pin cylinder (450 &
450A only) before the system is turned on.
2.6 Control System Installation
Refer to the associated hydraulic pumping unit (HPU) manual for further clarification of
the following information ad any references later to the (HPU).
Install three-phase power to the lower right corner of the electrical box using the
terminals marked L1, L2, L3, Neutral, and Ground.
All devices that require ac power (such as loop detector, traffic lights, and infrared
beams) can get 120-volt ac from the left side of the electrical box. Turning off the switch
next to the convenience outlet disconnects all of the control power.
Most other wiring is low-voltage (24-volt dc). Terminate all low-voltage inputs on the red
terminal blocks at the bottom of the electrical box. Wire all switching devices (gate open,
gate close, limit switches, and so on) so that each device gets 24-volt dc power from the
left side of the I terminal blocks. Attach each device's input termination point wire to the
appropriate I terminal block (I0, I1, I2, etc.) and the device's output termination point
wire to the appropriate Q terminal block (Q0, Q1, Q2, etc.). A summary of key control
wiring terminations is as follows.
Traffic Lights (120-volt ac)
Common to 120-volt neutral
Red light to TLR (upper right)
Amber light to TLG (upper right)
Panel Indicator Lights (24-volt dc) Common to 24-volt dc negative
Red to PLR (upper right)
Green to PLG (upper right)
Open Button
Button to open gate – Normally Open
Button common to I0
Button point to 24-volt dc+