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PRODUCT DESCRIPTION
Beck control drives are engineered for precise,
reliable operation of dampers, quarter-turn valves
and fluid drives. The cool, stable operation of
Beck’s control motors coupled with the powerful
gear train provide the tight, responsive control
required by modern control loops to optimize output
while keeping operating costs low.
The unique all spur gear construction used in
the Beck control drive is designed for long term
durability. Gear modules and motors can be
interchanged in the field to alter the torque and
timing as needed if the application requirements
change. Mechanical stops in the gear train prevent
overtravel.
An easy to turn, spoke-free Handwheel is
incorporated into the design to allow manual
operation during installation or power outages.
The Handwheel can be used to move dampers and
valves to any position smoothly and easily under
full load conditions.
Dampers and valves may also be operated
at their individual locations with built-in electric
Handswitches.
The heavy-duty crank arm (if applicable) of
these control drives can be field-adjusted to travel
anywhere in the 360° range. The forged rod end
fitting may be field-adjusted to any point in the cast
slot of the crank arm. Special linkage arrangements
allow total application versatility for connection
directly on or remote from the driven load.
Beck’s Digital Control Module (DCM-2)
provides precise drive control in response to a
modulating Demand input signal. It also provides
intelligent calibration, easy drive setup changes,
and diagnostic information. A local interface
provides quick pushbutton setup and diagnostics
without the need for a handheld or remote device.
A HART
®
communications interface allows
remote access of all features and information. A
serial interface also allows for drive configuration
changes, drive information reporting and to assist
in troubleshooting.
Beck’s CPS-2 Contactless Position Sensor
provides accurate position measurement in
demanding environmental conditions, with
no contacting or wiping surfaces to wear or
intermittently lose contact. The CPS-2 provides
infinite resolution with linearity error of less than
±1% of span over full control drive travel.
Beck electronic control drives are designed
with individual weatherproof enclosures to protect
the main components. The cutaway illustration
below is intended to provide the user with a basic
orientation to the product.
DIGITAL CONTROL MODULE
(DCM-2)
POSITION SENSING
DEVICE
OVER-TRAVEL
LIMIT AND AUXILIARY
SWITCHES
WIRING TERMINAL BLOCK
CRANK ARM / LINKAGE
GEAR TRAIN AND
MOTOR HOUSINGS