1. Manuals
  2. Brands
  3. Spectech Manuals
  4. Control Unit
  5. VARI-DRIVE KBWM-120
  6. Installation and operating instructions manual

Spectech VARI-DRIVE KBWM-120 Installation And Operating Instructions Manual

Nema1 / ip20 scr variable speed dc motor controls
Hide thumbs
Table of Contents

Advertisement

Quick Links

INSTALLATION AND OPERATING INSTRUCTIONS
NEMA 1 / IP20 SCR Variable Speed DC Motor Controls
Model KBWM-120 rated 1/100 - 1/3 HP (90 Volts DC) @ 115 Volts AC, 50/60 Hz
Model KBWM-240 rated 1/50 - 3/4 HP (180 Volts DC) @ 208/230 Volts AC, 50/60 Hz
See Page 2
The information contained in this manual is intended to be accurate. However, the manufacturer retains
the right to make changes in design which may not be included herein.
Spec Tech Industrial 203 Vest Ave. Valley Park, MO 63088 Phone: 888 SPECTECH
Email: sales@spectechind.com
V
-D
ARI
V
ARI- RIVE
DC MOTOR
SPEED CONTROL
50
40
30
20
10
0
(%) SPEED
!
See Safety Warning on Page 1
A COMPLETE LINE OF MOTOR DRIVES
RIVE
TM
D
TM
60
ON
70
80
90
OFF
100
TM
www.spectechind.com
© 2001 KB Electronics, Inc.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VARI-DRIVE KBWM-120 and is the answer not in the manual?

Questions and answers

Summary of Contents for Spectech VARI-DRIVE KBWM-120

  • Page 1 A COMPLETE LINE OF MOTOR DRIVES © 2001 KB Electronics, Inc. Spec Tech Industrial 203 Vest Ave. Valley Park, MO 63088 Phone: 888 SPECTECH Email: sales@spectechind.com www.spectechind.com...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Page Simplified Operating Instructions ......... . 1 Safety Warning .

  • Page 3: Simplified Operating Instructions

    KBWM-120, 240 SIMPLIFIED OPERATING INSTRUCTIONS IMPORTANT – You must read these simplified operating instructions before proceeding. These instructions are to be used as a reference only and are not intended to replace the detailed instructions provided herein. You must read the Safety Warning before proceeding. A.

  • Page 4: Introduction

    This product complies with all CE directives pertinent at the time of manufacture. Contact factory for detailed installation and Declaration of Conformity. Installation of a CE approved RFI filter (KBRF-200A [P/N 9945C] or equivalent) is required. Additional shielded motor cable and/or AC line cables may be required along with a signal isolator (KBSI-240D [P/N 9431] or equivalent).

  • Page 5: Electrical Ratings

    TABLE 2 – ELECTRICAL RATINGS Max. AC Max. DC Input Voltage Armature Max. Horsepower Model No. Part No. Load Current Load Current (VAC - 50/60 Hz) Voltage (VDC) HP, (kW) (RMS Amps) (DC Amps) KBWM-120 9380 0 – 90 1/3, (0.25) 0 –...

  • Page 6: Mechanical Specifications

    FIGURE 2 – MECHANICAL SPECIFICATIONS (Inches / [mm]) TOP VIEW BOTTOM VIEW...

  • Page 7: Control Setup

    CONTROL SETUP Remove the four (4) 6x32 screws (two on top and two on the bottom) from the enclosure. Slide open the control by separating the front and rear covers. See Figure 2, page 4. A. Plug-in Horsepower Resistor® – (Must be obtained from your distributor as a separate part.) The Plug-in Horsepower Resistor®...

  • Page 8: Mounting

    FIGURE 3 – MOTOR VOLTAGE SELECTION D. Jumper J2 is provided on Model KBWM-240 only (MODEL KBWM-240 ONLY) and is factory set to “180V” position. For step- down operation (208/230 Volts AC line input and 0- J2 Set for J2 Set for 90 Volts DC output), set J2 to the “90V”...

  • Page 9: Field Connection (Shunt Wound Motors Only)

    Caution: If control is wired to a transformer, it is advisable to switch the secondary to dis- connect power. If the primary is switched, additional snubber capacitors may have to be added across terminals L1 and L2 to prevent power bridge damage. Separate branch fusing or circuit breaker may be required on 208/230 VAC applications.

  • Page 10: Operation

    E. Fusing – As indicated in Section IIB, the KBWM™ contains a single AC line fuse on 208/230 VAC applications. In the USA and other countries where the 208/230 volt is derived from two (2) “hot” leads, both AC lines should be connected to a separate dual cir- cuit breaker.

  • Page 11: Accel Trimpot Adjustment

    FIGURE 6A – ACCEL TRIMPOT ADJUSTMENT A. Acceleration Start – The ACCEL is factory set at approximately 2 seconds. FACTORY SETTING 2 SEC. To readjust to different times, set the knob to the desired position as shown in Figure 6A. RAPID B.
  • Page 12 Note: If only an AC ammeter is available, it can be installed in series with AC input line. Follow above instructions; however, set AC amperage at 0.75 motor rating. F. IR Compensation Adjustment – IR compensation is provided to improve load regulation. If the load presented to the motor does not vary substantially, the IR adjustment may be set at a minimum level (approximately 1/4 of full setting).

  • Page 13: Internal Connection Diagram

    FIGURE 7 – INTERNAL CONNECTION DIAGRAM 180V...
  • Page 14 – NOTES –...
  • Page 15 – NOTES –...

  • Page 16: Limited Warranty

    VII. LIMITED WARRANTY For a period of 18 months from the date of original purchase, KB Electronics, Inc. will repair or replace, without charge, devices which our examination proves to be defective in material or workmanship. This warranty is valid if the unit has not been tampered with by unauthorized persons, misused, abused, or improperly installed and has been used in accordance with the instructions and/or ratings supplied.

This manual is also suitable for:

Vari-drive kbwm-240

Table of Contents