5
Table 2.A - MinPak Plus Features Summary
Category
Feature
Controller Functions
START/STOP
RUN/JOG
FORWARD/REVERSE
Speed selection (5 to 100%)
Torque selection (10 to 150%)
Unidirection operation with coastĆtoĆrest on stop command standard. (Dynamic
braking and reversing available as options.)
20:1 controlledĆspeed range by means of armature voltage control.
Armature loop contactor removes power to drive motor.
Isolated armature voltage and current feedback decouples armature power from
operator devices and provides additional noise immunity.
With tachometers specified, 0.5% or 1.0% speed regulation with a 95% load
change.
Operates and delivers rated output speed with specified regulation tolerance limits
even with aĆc Line variations of
±
10% of nominal rated input voltage.
Speed Regulation
Jumper reconnectable regulator circuits which allow armature (A) or tachometer
feedback (T) regulation.
With voltage regulation, 3 to 5% speed regulation with 95% load change.
With tachometer specified, 1% speed regulation with a 95% load change.
(Tachometers are: REĆ045 aĆc tachometer; also 5PY or REĆ020 dĆc tachometer.)
With tachometer specified, 0.5% speed regulation with 95% load change.
(Tachometer is BC42.)
User Adjustments
Adjustable IR drop compensation (0 to 12% of rated load).
Adjustable maximum speed (70 to 100% of base motor speed).
Adjustable minimum speed (5 to 30% of base motor speed).
Adjustable current limit (10 to 150% of fullĆload current).
Adjustable, separately set linear acceleration and deceleration rates (0.5 to 30 sec.)
Safety
Control circuitry guards against automatic restarting of equipment after resumption
of interrupted aĆc incoming power.
Regulator and Operator's Controls isolated from aĆc line for personnel protection.
Armature voltage and current feedback isolated to assure separation of power and
regulator circuits.
Hardware
Conveniently located screw terminal connections for incoming aĆc and outgoing
dĆc power allow easy cable entry and connection.
Circuit Breaker causes positive opening of aĆc line circuit in order to help protect
Power Cube from armature short circuit.
Protection from momentary surges on aĆc line and from dĆc load transients.
Pluscontroller must be connected to a shortĆcircuit sysĆ
tem designed to operate on plant power supplies with
maximum permissible available symmetrical RMS fault
currents of 5000 amperes. (Refer to Table 2.D.)
WARNING
DO NOT OPERATE THE MINPAK PLUS CONĆ
TROLLER ON POWER SUPPLIES WITH AVAILĆ
ABLE SHORTĆCIRCUIT CURRENTS IN EXCESS
OF 5000 AMPERES. DAMAGE TO EQUIPMENT
AND PERSONAL INJURY MAY OCCUR. EXTERĆ
NAL DISCONNECT MEANS MUST HAVE ABILĆ
ITY TO INTERRUPT A 5000 AMP RMS CURRENT
FAULT.
2.5 Enclosure
- NEMA Type 12 is generally defined
as an indoor enclosure that is dusttight and oiltight. It is
designed to resist fibers, flyings, dust, dirt and light oil
splashings.
Summary of Contents for MinPak Plus
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