Interface

External connections are made at two terminal blocks located on the rear

panel of the M‑2379B and two terminal blocks located on the printed circuit

board. These terminal blocks provide access to auxiliary functions, including

self-test alarm, user-programmable alarm, auto disable and manual raise/

lower. A fifth terminal block provides for the addition of the M‑0329B LTC

Backup Control. The two knurled knobs must be saved from the existing

control cabinet.

Features

Separate fuses for test terminal, voltage sensing and motor power are on

the front panel. Spare fuses for each are in the fuse holder. Binding posts on

the front panel allow easy connections for test procedures.

RAISE/OFF/LOWER, AUTO/OFF/MANUAL and VOLTAGE SOURCE switches,

DRAG HANDS RESET button, and NEUTRAL LIGHT are standard 90 BACK UP

ALARM will light to indicate that the optional M‑0329B LTC Backup Control is

blocking any M‑2379B commands. MOTOR POWER button allows resetting

of the motor power circuit VOLTAGE BREAKER button allows resetting of the

voltage circuit breaker. HEATER SWITCH turns the heater on and off.