KBMD-240D
MULTI-DRIVE
Variable Speed DC Motor Control
For Shunt Wound and PM Motors
Patented Overload Circuit
1/100 – 1 Hp @ 115 VAC – 50/60 Hz
1/50 – 2 Hp @ 230 VAC – 50/60 Hz
TYPICAL APPLICATIONS
• Conveyors • Packaging Machines
• Feeders • Printing Equipment
STANDARD FEATURES
•
Plug-in Horsepower Resistor
used on a wide range of motors.
•
Dual Voltage Switch. Used to select AC line voltage
operation of 115 or 230V.
•
Built-in AC Line Fuse
•
MOV Transient Protection (20 JOULE)
•
Trimpots: MIN, MAX, IR, CL, ACCEL, DECEL
PHR Supplied Separately
OPTIONAL FEATURES
•
Auxiliary Heatsink (P/N SC-9861). Extends control rating to
1 Hp at 115V and 2 Hp at 230V.
•
Forward-Brake-Reverse Switch (P/N SC-9860). Includes
switch and prewired dynamic brake resistor.
SPECIFICATIONS
Speed Range (Ratio) ...................................................... 50:1
Load Regulation
(0 – Full Load, 50:1 Speed Range) (% Base Speed)...... 1*
Line Voltage Regulation
(At Full Load, ± 15% Line Variation) (% Base Speed) .... 1/2*
Control Linearity
(% Speed vs. Dial Rotation) .............................................. 2
CL/Torque Range
(% Full Load) .......................................................... 0 – 200
ACCEL/DECEL Time (Secs.) ...................................... .2 – 10
MIN Speed Trimpot Range
(% Full Speed) ........................................................ 0 – 30*
MAX Speed Trimpot Range
(% Full Speed) .................................................... 50 – 120*
Maximum Allowable Ambient Temperature
(At Full Rating, °C/°F) .............................................. 40/105
Rating indicated is with Auxiliary Heatsink. Maximum rating without Auxiliary
Heatsink is 1/2 Hp at 115V and 1 Hp at 230V.
* Performance is for 90V PM motors on 115 VAC and 180V PM motors on 230 VAC.
* CE Compliance Requires KBRF-200A RFI Filter
38
TM
®
®
. Allows a single model to be
A Complete Line of Motor Drives
*
Multi-Drive™ represents the latest in state-of-the-art
design for variable speed DC motor controls. It is rugged
and compact is size and is able to handle both 115 and
230V AC line inputs by setting the built-in Dual Voltage
Switch. In addition, the single model can be used on a
wide range of motors by selecting and inserting the
appropriate Plug-in Horsepower Resistor
The standard model, KBMD-240D, controls all
motors through
3
⁄
Hp at 115V and 1
4
installing the KB Auxiliary Heatsink, the horsepower
range is increased to 1 Hp at 115V and 2 Hp at 230V.
The versatility of the control is enhanced with the optional
Forward-Brake-Reverse Switch Kit.
The electronics for the Multi-Drive™ consists of KB's
patented KBMM™ speed control module. Its field-proven
reliability is confirmed by over 100,000 controls presently
in operation. The KBMM™ module is housed in a rugged
metal (not plastic, like other inexpensive drives) enclosure.
Keyhole slots facilitate mounting while a readily accessible
terminal block simplifies wiring. Included with each control
is a detailed instruction and user manual.
WIRING DIAGRAM
A-
A+
F-
ARMATURE
*Use for shunt motors only.
DATA SHEET D-325
DESCRIPTION
®
.
1
⁄
Hp at 230V. By
2
F+
L1
L2
AC
FIELD*
LINE
TM
Rev.______(A_______)
P/N 9370
GROUND
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