Rockwell Automation FlexPak Plus NRG DC Drive User Manual

Page 5

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Table 2.A - FlexPak Plus Features Summary

Category

Feature

Controller Functions

D START/STOP
D RUN/JOG
D FORWARD/REVERSE
D Speed selection (5 to 100%)
D Unidirection operation with coastĆtoĆrest on stop command standard. (Dynamic

braking and reversing available as options.)

D 20:1 controlledĆspeed range by means of armature voltage control.
D Auxiliary Panel armature loop contactor removes power to drive motor.
D Isolated armature voltage and current feedback decouples armature power from

operator devices and provides additional noise immunity.

D With specified tachometers 0.5% or 1.0% speed regulation with a 95% load change.
D 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

D Jumper reconnectable regulator circuits which allow armature (A) or tachometer

feedback (T) regulation.

D With voltage regulation, 3 to 5% speed regulation with 95% load change.
D With tachometer specified, 1% speed regulation with a 95% load change.

(Tachometers are: REĆ045 aĆc tachometer; also 5PY or REĆ020 dĆc tachometer.)

D With tachometer specified, 0.5% speed regulation with 95% load change.

(Tachometer is BC42.)

User Adjustments

D Adjustable IR drop compensation (0 to 12% of rated load).
D Adjustable maximum speed (70 to 100% of base motor speed).
D Adjustable minimum speed (5 to 30% of base motor speed).
D Adjustable current limit (10 to 150% of fullĆload current).
D Adjustable, separately set linear acceleration and deceleration rates (0.5 to 30 sec.)

Safety

D Control circuitry guards against automatic restarting of equipment after resumption

of interrupted aĆc incoming power.

D Regulator and Operator's Controls isolated from aĆc line for personnel protection.
D Armature voltage and current feedback isolated to assure separation of power and

regulator circuits.

Hardware

D Conveniently located screw terminal connections for incoming aĆc and outgoing

dĆc power allow easy cable entry and connection.

D Auxiliary Panel aĆc line fuses protect Power Cube from armature short circuit and

power relays provide positive power disconnect.

D Protection from momentary surges on aĆc line and from dĆc load transients.

2.1 Operator's Controls

- For proper operation

of the FlexPak Plus controller, it is necessary to provide

Remote Operator's Controls. Reliance Electric offers a

wide variety of operator control stations which may inĆ

clude the following devices:
D SPEED control potentiometer (5K)
D TORQUE control potentiometer (10K)
D AUTO/MANUALselector switch (SPDT)
D RUN/JOG selector switch (SPST)

D FORWARD/REVERSE selector switch (DPDT)
D START/STOP selector switch (pushbuttons or speĆ

cial)

2.2 DĆC Drive Motors

- Reliance Electric offers a

complete powerĆmatched drive system for the controlĆ

ler and the application. Thus, the choice of Reliance

Electric motors assures optimum performance and unĆ

matched singleĆsource responsibility.

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