Minarik RG5500U Manual de usuario

User’s Manual

Regenerative SCR Drive

Isolated-Input, Four-Quadrant,

RG5500U

Minarik Drives

form without written permission from Minarik Drives. The information and

technical data in this manual are subject to change without notice. Minarik

Drives and its Divisions make no warranty of any kind with respect to this

material, including, but not limited to, the implied warranties of its merchantability

and fitness for a given purpose. Minarik Drives and its Divisions assume no

responsibility for any errors that may appear in this manual and make no

commitment to update or to keep current the information in this manual.

Printed in the United States of America.

Safety Warnings

•This symbol  denotes an important safety tip or warning.

Please read these sections carefully prior to performing any of

the instructions contained in that section.

• Have a qualified electrical maintenance technician install,

adjust and service this equipment. Follow the National

Electrical Code and all other applicable electrical and safety

codes, including the provisions of the Occupational Safety

and Health Act (OSHA), when installing equipment.

•Reduce the chance of an electrical fire, shock, or explosion by

proper grounding, over-current protection, thermal protection,

and enclosure. Follow sound maintenance procedures.

It is possible for a drive to run at full speed as a result of

a component failure. Minarik strongly recommends the

installation of a master switch in the main power input to

stop the drive in an emergency.

Circuit potentials are at 115 VAC or 230 VAC above

earth ground. Avoid direct contact with the printed circuit

board or with circuit elements to prevent the risk of serious

injury or fatality. Use a non-metallic screwdriver for

adjusting the calibration trimpots. Use approved personal

protective equipment and insulated tools if working on this

drive with power applied.



Contents

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Shielding guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Speed adjust potentiometer installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

SCCR Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Cage-clamp terminal block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Motor connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Power connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Speed adjust potentiometer connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Field output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Tachogenerator feedback (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Signal follower (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Polarity reversal switch (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

+15 and –15 terminals (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

DISABLE / ENABLE terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Slide switches (SW501–SW504) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

DIP switches (SW505) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Before applying power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Uni-directional Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Bi-directional Operation (with speed adjust pot) . . . . . . . . . . . . . . . . . . . .22

Voltage Follower . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .23

Current Follower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Starting and stopping methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Line starting and line stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

iii

Automatic restart upon power restoration . . . . . . . . . . . . . . . . . . . . . . . . .25

Coast to a stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Regenerative brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Decelerate to minimum speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

MINIMUM SPEED OUT (MIN OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

MAXIMUM SPEED OUT (MAX OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

FORWARD ACCELERATION (FWD ACC) . . . . . . . . . . . . . . . . . . . . . . . . . .30

REVERSE ACCELERATION (REV ACC) . . . . . . . . . . . . . . . . . . . . . . . . . . .30

IR COMPENSATION (IR COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

FORWARD TORQUE (FWD TQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

REVERSE TORQUE (REV TQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

DEADBAND (DB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

TACHOGENERATOR (TACH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

CURRENT SIGNAL OFFSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

INPUT ADJUST (INPUT ADJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Connection to other Minarik devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Optional speed adjust potentiometer connections . . . . . . . . . . . . . . . . . . . . .42

FWD-REV switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

FWD-MIN SPD-REV switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Independent adjustable speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Independent forward and reverse speeds . . . . . . . . . . . . . . . . . . . . . . . . .45

Independent forward and reverse speeds with a FWD-STOP-REV switch .46

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Before applying power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Unconditional Warranty . . . . . . . . . . . . . . . . . . . . .inside back cover

Contents

Line starting and line stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Tables

Table 1. SCCR Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Table 2. Field Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Illustrations

Figure 1. Four Quadrant Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi

Figure 2. RG5500U Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Figure 3. Speed Adjust Potentiometer Installation . . . . . . . . . . . . . . . . . . . . . . . .7

Figure 4. Cage-Clamp Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Figure 5. RG5500U Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Figure 6. Speed Adjust Potentiometer Connections . . . . . . . . . . . . . . . . . . . . .12

Figure 7. Signal Follower Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Figure 8. Polarity Reversal Switch Connections . . . . . . . . . . . . . . . . . . . . . . . .16

Figure 9. ±15 VDC Supply Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Figure 10. DISABLE / ENABLE Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Figure 11. Slide Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Figure 12. Dip Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Figure 13. REGEN BRAKE Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Figure 14. Run / Decelerate to Minimum Speed Switch . . . . . . . . . . . . . . . . . .27

Figure 15. Typical FWD TQ, REV TQ, and IR COMP Settings . . . . . . . . . . . . .34

Figure 16. Deadband Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Figure 17. RG5500U Connection to Minarik DLC600 . . . . . . . . . . . . . . . . . . . .40

Figure 18. RG5500U Connection to 200–0386A Limit Switch Logic Board . . . .41

Figure 19. Forward-Reverse Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Figure 20. Forward-Minimum Speed-Reverse Switch . . . . . . . . . . . . . . . . . . . .43

Figure 21. Independent Adjustable Speeds (Forward Direction) . . . . . . . . . . . .44

Figure 22. Independent Forward and Reverse Speeds . . . . . . . . . . . . . . . . . . .45

Figure 23. Independent Forward and Reverse Speeds with a Forward-Stop-

Reverse Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Table 3. Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Regenerative Drives

Most non-regenerative, variable speed DC drives control

current flow to a motor in one direction. The direction of

current flow is the same direction as the motor rotation.

Non-regenerative drives operate in Quadrant 1, and also in

Quadrant 3 if the drive is reversible (see Figure 1, Page vi).

Unless dynamic braking is used, non-regenerative drives

cannot decelerate a load faster than coasting to a lower

speed.

Regenerative drives operate in two additional quadrants:

Quadrant 2 and Quadrant 4. In these quadrants, motor

torque is in the opposite direction of motor rotation.

Regenerative drives can reverse a motor without

contactors, switches, brake resistors, or inhibit plugs. They

can also control an overhauling load and decelerate a load

faster than it would take to coast to a lower speed.

The RG5500U is a full-wave, four-quadrant regenerative

drive which provides smooth motoring and braking torque

for SCR brush-type DC motors. The RG5500U controls

motors from 1 through 5 Hp for single or bi-directional

variable speed.

Figure 1. Four Quadrant Operation

Model Number RG5500U

Type Open Chassis

AC Line Voltage 115 VAC or 230 VAC, ±10%, 50Hz or 60 Hz, single phase

Line Fuse Rating 40 A (Buss Type SC–40 or equivalent)

Field Fuse Rating 3 A, fast acting

Horsepower Range @ 90 VDC Output 1 – 2.5 HP

Horsepower Range @ 180 VDC Output 1 – 5 HP

Maximum Armature Voltage Range @ 115 VAC Input 0–90 VDC

Maximum Armature Voltage Range @ 230 VAC Input 0–180 VDC

Minimum Speed Adjustment Range @ 115 VAC Input 0–60 VDC

Minimum Speed Adjustment Range @ 230 VAC Input 0–120 VDC

Maximum Peak (~ 2 sec) AC Input Current ‡ 40A AC

Maximum Continuous AC Input Current ‡ 30A AC

Maximum Peak (~ 2 sec) Armature Current ‡ 30A DC

Maximum Continuous Armature Current ‡ 27A DC

Field Voltage @ 115 VAC Input 50 VDC (F1 to L1) or 100 VDC (F1 to F2)

Field Voltage @ 230 VAC Input 100 VDC (F1 to L1) or 200 VDC (F1 to F2)

Form Factor @ Maximum Armature Voltage 1.37

Acceleration Time Range 0.5 – 8 seconds

Deceleration Time Range 0.5 – 8 seconds

Input Signal Ranges (grounded or ungrounded, isolated or non-isolated signal)

Voltage Signal (narrow range) –25 to +25 VDC

Voltage Signal (wide range) –250 to +250 VDC

Current Signal (one of the following) 1–5 mADC; 4–20 mADC; 10–50 mADC

Specifications

2 Specifications

Recommended Speed Adjustment Potentiometer †5 Kohms to

20 Kohms

Input Impedance

Voltage Signal (S0 to S2) 25 Kohms

Voltage Signal (S0 to HV) 125 Kohms

Current Signal, 1–5 mADC 1 Kohms

Current Signal, 4–20 mADC 235 ohms

Current Signal, 10–50 mADC 100 ohms

Speed Regulation (% of base speed)

Armature Feedback 1% or better

Tachogenerator Feedback 0.1%

Tachogenerator Feedback Voltage Range

7 VDC/1000 RPM to 50 VDC/1000 RPM

Weight 4.7 lb

Ambient Operating Temperature Range ‡see notes

Vibration 0.5g max (0 – 50 Hz)

0.1g max (above 50 Hz)

Notes:

†Drive shipped with 10 Kohm speed adjust potentiometer.

‡10°C–40°C when mounted flat (horizontally), or in an aluminum enclosure

whose volume is between 5 and 8 cubic feet; 10°C–50°C when mounted

upright (with heat sink fins vertical), or in an aluminum enclosure greater

than 8 cubic feet. Open chassis SCR drives are rated at 55°C.

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