Minarik Drives MM300 Series Users Manual

MM300 Series

MODELS:

MM311U
MM301U
MM301A

launaM s’resU

Isolated Input, Dual Voltage, Variable Speed SCR

Drives for Brush Motors

Copyright © 2013 by

Minarik Drives

All rights reserved. No part of this manual may be reproduced or transmitted in any 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.

I

Safety Warnings

This symbol denotes an important safety tip or warning. Please read these sec-

tions 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 mainte-

nance procedures.

• It is possible for a drive to run at full speed as a result of a component failure.

Please ensure that a master switch has been placed in the AC line to stop the drive

in an emergency.

• This drive is isolated from earth ground. 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.

II

Contents

Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i

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

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

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Shielding Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Chassis Drives (MM301U, MM311U) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Heatsinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Line Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Speed adjust potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Cage-clamp terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Power Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Field Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

START/STOP pushbuttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Tachometer feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Voltage or current follower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Slide switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Enclosed Drives (MM301A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Heatsinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Line Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Before applying power (all models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Chassis Drives (MM301U, MM311U) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

III

Speed adjust potentiometer input with START/STOP pushbuttons . . . . . . . . . . . .25

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Line starting and line stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Decelerating to minimum speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Dynamic braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Dynamic brake resistor value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Enclosed Drive Operating Modes (Manual / Auto)

Enclosed Drive Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Drive Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

MINIMUM SPEED (MIN SPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

MAXIMUM SPEED (MAX SPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

CURRENT LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

IR COMPENSATION (IR COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

ACCELERATION (ACCEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

DECELERATION (DECEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

TACH VOLTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Multiple fixed speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Adjustable speeds using potentiometers in series . . . . . . . . . . . . . . . . . . . . . . . . .43

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

Reversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

RUN/JOG switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Reversing with a DIGI=LOK Controller, Model DLC600 . . . . . . . . . . . . . . . . . . . . .47

. . . . . . . . . . . . . . . . . . . . . . . . .30

IV

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

54Unconditional Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

V

Illustrations

Fig. Description Page

1. MM301U and MM311U Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2. MM301A Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. MM300 Series Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

4. Speed Adjust Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

5. Cage-Clamp Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

6. MM301U and MM311U AC Line, Motor and Field Connections . . . . . . . . . . . . .13

7. Signal Follower Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

8. Slide Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

9. MM301A Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

10. Current Limit and Power LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

11. Run/Decelerate to Minimum Speed Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

12. Dynamic Brake Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

13. Calibration Trimpot Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

14. Typical CURRENT LIMIT, and IR COMP Settings for MM300 Series

(actual settings may vary wtih each application) . . . . . . . . . . . . . . . . . . . . . . . .38

15. Mutiple Fixed Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

16. Adjustable Fixed Speeds Using Potentiometers in Series . . . . . . . . . . . . . . . . .43

17. Independent Adjustable Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

18. Reversing Circuit Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

19. RUN/JOG Switch Connection to Speed Adjust Potentiometer . . . . . . . . . . . . . .46

20. Reversing with a DLC600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

21. MM300 Series Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

VI

Tables

Fig. Description Page

1. Recommended Line Fuse Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2. Field Output Connections for Chassis Drives . . . . . . . . . . . . . . . . . . . . . . . . . . .14

3. Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

1

Specifications

Max.
Armature HP Range HP Range
Current with 115 VAC with 230 VAC

Model (Amps DC) Applied Applied

MM311U 3.0

MM301U 10.0

AC Line Voltage 115 VAC or 230 V AC, 50 or 60 Hz, 1 Phase

Armature Voltage (115 VAC Input) 0–90 VDC

Armature Voltage (230 VAC Input) 0–180 VDC

Form Factor 1.37 at base speed

Field Voltage (115 VAC) 50 VDC (F1 to L1); 100 VDC (F1 to F2)

Field Voltage (230 VAC) 100 VDC (F1 to L1); 200 VDC (F1 to F2)

Maximum Field Current 1 ADC

Acceleration Time Range (with no load) 1-11 seconds

Deceleration Time Range (with no load) 1-11 seconds

Analog Input Voltage Range (S1 to S2) 0-10 VDC or 4-20 mADC

Input Impedance (S1 to S2) >100K ohms

Load Regulation (% of base speed)

with Armature Feedback 1% or better

with Tachogenerator Feedback 0.1%

Vibration 0.5G max. (0-50 Hz); 0.1G max. (>50 Hz)

MM301A 10.0

1/20–1/8 1/10–1/4

1/4–1 1/2–2

1/4–1 1/2–2

2 Specifications

Ambient Temperature Range

Open Chassis 10°C-55°C

Cased 10°C-45°C

Weight

Open Chassis 2.1 lbs (953 grams)

Cased 7.75 lbs (3. 5 kilograms)

Tachogenerator Feedback Voltage Range 7-50 VDC per 1000RPM

Short-circuit current rating (SCCR) is the maximum short-circuit
current that the speed control can safely withstand when
protected by a specific over-current protective device(s).

The rating for models rated more than 1 HP is tabulated below:

Drive
Model No.

Short Circuit
Current Rating

Maximum
Current,
kA

MM301U 10,000

MM301A

10,000

Types of Branch
Circuit Protection

Maximum
Voltage,
V

240V

240V 30A

Non-time
Delay K5
Fuse

Non-time
Delay K5
Fuse

Inverse
Time
Circuit
Breaker

Inverse
Time
Circuit
Breaker

Maximum
Rating of
Overcurrent
Protection

30A

Dimensions

3

0.19 [5]

4.46 [113]

3.00 [76]

0.70 [18]

1.90 [48]

SIX (6) MOUNTING SLOTS

0.18 [5] WIDE x 0.30 [8] DEEP

ALL DIMENSIONS IN INCHES [MILLIMETERS]

Figure 1. MM301U and MM311U Dimensions

0.60 [15]

0.77 [19]

0.98 [25]

6.30 [160]

6.90 [175]

4

0

[6]

]

]

9.80

[

]

[

]

]

]

]

0

]

7.00

[

]

0.12

[3]

31

[59]

8

[

]

5.5

[

]

Dimensions

10.22
260

6.90[175

6.30[160

1.4
[36

249

178

.22

1

140

4.7
121

2.

1.50[38

1.45[37

1.50[38

THREE 0.88 [22] KNOCKOUTS

ALL DIMENSIONS IN INCHES [MILLIMETERS]

Figure 2. MM301A Dimensions

E

S

(

)

GE

S

S

CU

T

)

POWER LE

D

(

)

GE

S

S

E

S

GE

S

CH

CU

GE

SIG

OR

S

CH

UM

D

S

S

JUS

R

S

S

OP

S

OR

S

GE

R

OR

)

P

R

CU

T

R

L

S

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

IL502

RRENT LIMI

LED(IL501

LINE VOLTA

ELECTORSWITCHE

SW501, SW502

AC LIN
FUSE

FU501-FU502

IRCOM

TRIMMER POTENTIOMETE

P506

RRENT LIMI

TRIMMER POTENTIOMETE

P505

ACCEL AND DECE

TRIMMER POTENTIOMETER

P503, P504

Layout

FEEDBACKSELECT

SWITCH(SW505

TACHOGENERATOR VOLTA

TRIMMER POTENTIOMETE

PEED AD

10-TURN MAXIM

AND MINIMUMSPEE

TRIMMER POTENTIOMETER

P501, P502

RRENT/VOLTA

NALSELECT

P507

TACHOGENERAT

TERMINAL BLOCK

T POTENTIOMETE

TERMINAL BLOCK

TART/ST

TERMINAL BLOCK

WIT

SW504

5

AC LINE VOLTA
TERMINAL BLOCK

TERMINAL BLOCK

TERMINAL BLOCK

ARMATUR

ARMATURE VOLTA

ELECTORSWIT

SW503

Figure 3. MM300 Series Layout

6

Wiring

Use 12 AWG wire for the AC line voltage (L1 and L2), motor armature (A1 and A2),

and dynamic brake resistor (if used). Use 18 AWG wire for logic (field output, speed

adjust potentiometer, tachogenerator, etc.)

Twist logic wires to avoid picking up unwanted electrical noise. Use shielded cable if

wires are longer than 12 inches (30 cm).

Do not bundle logic wires with power carrying wires. This can cause erratic operation.

Keep logic wires in a conduit separated by at least 2 inches from power carrying

wires. Do not allow logic wires to travel in parallel to power carrying wires for more

than 1 inch.

It may be necessary to earth ground the shielded cable. If noise is produced by

devices other than the drive, ground the shield at the drive end. If noise is generated

by a device on the drive, ground the shield at the end away from the drive. Do not

ground both ends of the shield.

Installation

7

Installation

Shielding guidelines

Warning

Under no circumstances should power and
logic leads be bundled together. Induced
voltage can cause unpredictable behavior in
any electronic device, including motor controls.

As a general rule, Minarik recommends shielding of all conductors. If it is not practical

to shield power conductors, Minarik recommends shielding all logic-level leads. If

shielding logic level leads is not practical, the user should twist all logic leads with

themselves to minimize induced noise.

It may be necessary to earth ground the shielded cable. If noise is produced by

devices other than the drive, ground the shield at the drive end. If noise is generated

by a device on the drive, ground the shield at the end away from the drive. Do not

ground both ends of the shield.

If the drive continues to pick up noise after grounding the shield, it may be necessary

to add AC line filtering devices, or to mount the drive in a less noisy environment.

Logic wires from other input devices, such as motion controllers and PLL velocity con-

trollers, must be separated from power lines in the same manner as the logic I/O on

this drive.

8

Installation

Chassis Drives (MM301U, MM311U)

Mounting

Mount the drive with its board in either a horizontal or vertical plane. Four 0.188 inch (4.8
mm) wide slots in the chassis accept #8 pan head screws.

The chassis units do not have to be earth grounded. If you choose to ground the chas-

sis, use a star washer beneath the head of at least one of the mounting screws to pen-

etrate the anodized chassis surface and to reach bare metal.

Drive components are sensitive to electrostatic fields. Avoid contact with the circuit

board directly. Hold the drive by the chassis only.

Protect the drive from dirt, moisture, and accidental contact. Provide sufficient room for

access to the terminal block and calibration trimpots.

Mount the drive away from other heat sources. Operate the drive within the specified

ambient operating temperature range.

Prevent loose connections by avoiding excessive vibration of the drive.

Observe the following guidelines when installing an isolation transformer:

• A power disconnecting device must be installed between the power line and primary

of the transformer.

• If the power disconnecting device is a circuit breaker, the circuit breaker trip rating

must be coordinated with the in-rush current (10-12 times full load current) of the

transformer.

9

Installation

Heatsinking

The MM301U and MM311U contain sufficient heat sinking in its original configuration.

No additional heat sinking is necessary when installed in accordance with the guide-

lines specified in this instruction manual. The chassis plate acts as the thermal

heatsink.

Line fusing

MM300 Series drives have line fuses mounted on fuse holders 501 and 502 (FU501

and FU502). See the Replacement Parts section for preinstalled line fuse size. When

replacing the line fuses, use fast acting fuses rated for 250 VAC or higher, and at

least 200% of the armature current. See Figure 3 (page 5) for fuse holder location,

and Table 1 for recommended line fuse sizes.

Table 1. Recommended Line Fuse Sizes

90 VDC Motor 180 VDC Motor Max. DC Armature AC Line Fuse

Horsepower Horsepower Current (amps) Size (amps)

1/20 1/10 0.5 3

1/15 1/8 0.8 3

1/8 1/4 1.5 5

1/6 1/3 1.7 5

1/4 1/2 2.6 8

1/3 3/4 3.5 8

1/2 1 5.0 10

3/4 1 1/2 7.6 15

Minarik Drives offers a 63 mA pico fuse (part number 050-0081) which protects the transformer

and logic.

10

Installation

Speed adjust potentiometer

Install the circular insulating disk between the mounting panel and the 10K ohm speed

adjust potentiometer (see Figure 4). Mount the speed adjust potentiometer through a

0.38 inch (10 mm) hole with the hardware provided. Twist the speed adjust poten-

tiometer wire to avoid picking up unwanted electrical noise. If potentiometer leads are

longer than 18 inches (46 cm), use shielded cable.

Alternate speed adjust potentiometer connections may be found in the Application

Notes section of this user guide.

Note: The user may choose to install a 5K ohm speed adjust potentiometer; howev-

er, the MIN SPD and MAX SPD trimpots must be recalibrated if the 5K ohm poten-

tiometer is used.

Figure 4. Speed Adjust Potentiometer

11

Installation

Cage-clamp terminals

Logic connections are made to a cage-clamp terminals. To insert a wire into the cage-

clamp terminal:

1. Press down on the lever arm using a

small screwdriver.

2. Insert wire into the wire clamp

3. Release the lever arm to clamp wire.

Figure 5. Cage-Clamp Terminal

12

Installation

Connections

Motor

Connect a motor to terminals A1 and A2 as shown in Figure 6 (page 13). Ensure that

the motor voltage rating is consistent with the drive’s output voltage.

Minarik drives supply motor voltage from A1 and A2 terminals (TB501). It is assumed

throughout this manual that when A1 is positive with respect to A2, the motor will

rotate clockwise (CW) while looking at the output shaft protruding from the front of the

motor. If this is opposite of the desired rotation, simply reverse the wiring of A1 and

A2 with each other.

Warning

Under no circumstances should power and
logic leads be bundled together. Induced
voltage can cause unpredictable behavior in
any electronic device, including motor controls.