Minarik MM101U Manuale utente
SCR, Adjustable Speed Drives for DC Brush Motors
USER’S MANUAL
Models: MM101U
MM201U
250-0060r4.qxd 7/25/01 8:38 AM Page a
Copyright © 2001 by
Minarik Corporation
All rights reserved. No part of this manual may be reproduced or
transmitted in any form without written permission from Minarik
Corporation. The information and technical data in this manual are
subject to change without notice. Minarik Corporation 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 Corporation
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.
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i
Safety Warnings
•This symbol denotes an important safety tip or warning.
Please read these instructions carefully before performing any
of the procedures contained in this manual.
•DO NOT INSTALL, REMOVE, OR REWIRE THIS
EQUIPMENT WITH POWER APPLIED. Have a qualified
electrical 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.
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Specifications 1
Dimensions 2
Installation 3
Mounting ..............................................3
Wiring.................................................4
Shieldingguidelines ....................................5
Speed adjust potentiometer connections .......................6
Heatsinking ............................................7
Linefusing .............................................7
Connections ............................................8
Motor connections .....................................8
Fieldoutput ..........................................9
Power connections ....................................9
Voltage follower connection ..............................11
Operation 12
Before applying power ...................................12
Drive startup and shutdown ...............................12
Toshutdownthedrive: ................................13
Reversing ..........................................13
Starting and Stopping Methods .............................13
Line stopping .......................................14
Decelerating to minimum speed ..........................14
Dynamic braking ......................................15
Calibration 17
Calibration procedure ....................................19
MINIMUM SPEED (MIN SPD) ...........................19
MAXIMUM SPEED (MAX SPD) ..........................20
REGULATION (IR COMP) ..............................20
ii
Contents
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TORQUE LIMIT (TORQUE) .............................21
ACCELERATION (ACCEL) .............................22
DECELERATION (DECEL) .............................23
Application Notes 24
FWD-STOP-REVswitch ..................................24
Reversing with dynamic braking ............................25
Reversing with a DLC600 .................................26
Independent Adjustable Speeds ............................27
Adjustable speeds using potentiometers in series ...............28
Multiple fixed speeds ....................................29
RUN/JOG switch .......................................30
Leader-follower application ................................31
Single speed potentiometer control of multiple drives ............32
Troubleshooting 33
Before troubleshooting ...................................33
ReplacementParts ......................................37
Unconditional Warranty inside back cover
iiiContents
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Figure 1. Dimensions ........................................2
Figure 2. Speed Adjust Potentiometer Installation ...................6
Figure 3. Power, Fuse and Motor Connections ....................10
Figure 4. Voltage Follower Connections ..........................11
Figure 5. Run/Decelerate to Minimum Speed Switch ................14
Figure 6. Dynamic Brake Connection ...........................16
Figure 7. Calibration Trimpot Layout ............................18
Figure8. FWD-STOP-REVSwitch..............................24
Figure 9. Reversing Circuit Connection ..........................25
Figure 10. Reversing with a DLC600 .............................26
Figure 11. Independent Adjustable Speeds .......................27
Figure 12. Adjustable Fixed Speeds Using Potentiometers in Series .....28
Figure 13. Multiple Fixed Speeds ...............................29
Figure 14. RUN/JOG Switch Connection to Speed Adjust Potentiometer . .30
Figure 15. Leader-Follower Application ...........................31
Figure 16. Single Speed Potentiometer Control of Multiple Drives .......32
Tables
Table 1. Replacement Line Fuse Sizes ..........................8
Table 2. Field Output Connections ............................10
Table 3. Recommended Dynamic Brake Resistor Sizes ............16
Table4. ReplacementParts .................................37
iv
Illustrations
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1
Specifications
Max. Max.
Input Input Armature
Voltage Current Current HP
Model (AC) (Amps AC) (Amps DC) Range Style
MM101U 115 10 10 1/4 - 1 Chassis
MM201U 230 10 10 1/2 - 2 Chassis
AC Line Voltage Tolerance ±10%, 50/60 Hz, single phase
Armature Voltage
MM101U 0 – 90 VDC
MM201U 0 – 180 VDC
Field Voltage (1 ADC max)
MM101U 50 – 100 VDC
MM201U 100 – 200 VDC
Maximum Output Field Current 1 ADC
Form Factor 1.37 at base speed
Accel. Time Range (for 0–90 VDC Armature Voltage) 0.5–8seconds
Decel. Time Range (for 0-90 VDC Armature Voltage) 0.5–8seconds
Analog Input Voltage Range for 0–90 VDC Armature Voltage
(signal must be isolated; S1 to S2) 0–5VDC
Input Impedance (S1 to S2) 100K ohms
Load Regulation 1% base speed or better
Vibration 0.5G max (0 – 50 Hz)
0.1G max (>50 Hz)
Ambient Temp. Range 10°C – 55°C
Weight 1.5 lb
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2
Dimensions
Figure 1. Dimensions
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3
Warning
Do not install, rewire, or remove this control with
power applied. Doing so may cause fire or serious injury.
Make sure you have read and understood the Safety
Warnings before attempting installation.
The chassis must be earth grounded. Use a star washer
beneath the head of at least one of the mounting screws to
penetrate the anodized chassis surface and to reach bare
metal.
• Drive components are sensitive to electrostatic fields. Avoid
direct contact with the circuit board. Hold 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 heat sources. Operate the drive
within the specified ambient operating temperature range.
• Prevent loose connections by avoiding excessive vibration of
the drive.
Installation
Mounting
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4 Installation
Warning
Do not install, remove, or rewire this equipment with
power applied. Failure to heed this warning may result in
fire, explosion, or serious injury.
Circuit potentials are at 115 or 230 VAC above ground.
To prevent the risk of injury or fatality, avoid direct
contact with the printed circuit board or with circuit
elements.
Do not disconnect any of the motor leads from the drive
unless power is removed or the drive is disabled.
Opening any one motor lead may destroy the drive.
Ꮨ
Use 18–24 AWG wire for speed adjust potentiometer wiring.
Use 14–16 AWG wire for AC line (L1, L2), field (F1, F2) and
motor (A1 and A2) wiring.
Wiring
250-0060r4.qxd 7/25/01 8:38 AM Page 4
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