Spectech VARI-DRIVE KBWM-120 - User Manual

INSTALLATION AND OPERATING INSTRUCTIONS
VARI-DRIVE
NEMA1/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
ON
OFF
60
50
40
30
20
10
0
(%) SPEED
100
90
80
70
ARI- RIVE
DC MOTOR
SPEED CONTROL
V D
TM
!
TM
A COMPLETE LINE OF MOTOR DRIVES
© 2001 KB Electronics, Inc.
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.
See Safety Warning on Page 1
See Page 2
TM
Spec Tech Industrial 203 Vest Ave. Valley Park, MO 63088 Phone: 888 SPECTECH
Email: sales@spectechind.com www.spectechind.com

Spectech VARI-DRIVE KBWM-120 Specifications

General

Brand	Spectech
Model	VARI-DRIVE KBWM-120
Category	Control Unit
Language	English

Summary

Simplified Operating Instructions

Power Connection

Connects AC power to terminals L1 and L2, verifying model number.

Permanent Magnet (PM) Motor Connection

Wires motor armature leads to A(+) and A(-), matching voltage.

Ground

Armature Fuse

Safety Warning

Control Setup

Plug-in Horsepower Resistor

Wiring

AC Line

Connects AC power to L1 and L2, ensuring correct voltage for the model.

Motor Armature

Wires motor armature to A+ and A-, reversing leads if needed. Warns against armature switching.

Ground (earth)

Operation

Trimpot Adjustments and Control Functions

Acceleration Start

Deceleration

Minimum Speed Adjustment

Maximum Speed Adjustment

Current Limit (CL;Torque Adjustment)

Sets the current limit for overload protection and startup inrush current.

IR Compensation Adjustment

Improves load regulation by adjusting IR Comp. for stable motor speed under varying loads.