Baldor BC140, BC140-FBR Installation And Operation Manual
BC140 / BC140-FBR DC CONTROL
Installation and Operation Manual
11/11 MN703
SCR DC MOTOR CONTROL
SAFETY NOTICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1 Standard Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.2 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.3 Electrical Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.4 Trimpot Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.5 General Performance Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2. Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.1 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2 Ground Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3 AC Line Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.4 Armature Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.5 Plug-In Horsepower Resistor
®
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.6 Permanent Magnet (PM) Motor Armature Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.7 Motor Field (Shunt Wound Motors Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.8 Voltage Select Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.9 Trimpot Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.10 Diagnostic LEDS and Pilot Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.11 Optional Auxiliary Heat Sink (BC143) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.12 Optional Forward-Brake-Reverse Switch (BC144) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4. Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.1 AC Line Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.2 Ground Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.3 AC Line and Armature Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.4 AC Line Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.5 Armature Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.6 Plug-In Horsepower Resistor
®
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.7 Permanent Magnet (PM) Motor Armature Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.8 Shunt Wound Motor Field Connection (Shunt Wound Motors Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.8.1 Full Voltage Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.8.2 Half Voltage Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table of Contents
2
5. Important Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.1 Motor Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.2 Torque Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.3 Acceleration Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.4 Limitation in Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6. Setting the Voltage Select Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.1 For 208/230 Volt AC Line Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.2 For 115 Volt AC Line Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7. Trimpot Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.1 Acceleration Trimpot (ACCEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2 Deceleration Trimpot (DECEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.3 Minimum Speed Trimpot (MIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.4 Maximum Speed Trimpot (MAX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.5 Current Limit Trimpot (CL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.6 IR Compensation Trimpot (IR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8.1 Set to the OFF Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8.2 Set the Voltage Select Switch to the correct position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8.3 Install the correct Armature Fuse and the correct Plug-In Horsepower Resistor
®
. . . . . . . . . . . . . . . . . . 40
8.4 Recheck all input AC line and motor connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8.5 Set the Main Speed Potentiometer to 0% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
8.6 Set the Forward-Brake-Reverse Switch (if installed) to the “FWD” or “REV” position . . . . . . . . . . . . . . 40
8.7 Set the On/Off AC Line Switch to the “ON” position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9. Diagnostics LEDS and Pilot Lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1 Power On (PWR ON) LED and Pilot Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.2 Current Limit (CL) LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
10. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11. Optional Auxiliary Heat Sink (Catalog No. BC143) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12. Optional Forward-Brake-Reverse Switch (Catalog No. BC144) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Baldor District Ofces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3
WARNING! This product should be installed and serviced by a qualied technician,
electrician or electrical maintenance person familiar with its operation and the
hazards involved. Proper installation, which includes wiring, mounting in
proper enclosure, fusing or other overcurrent protection and grounding, can
reduce the chance of electric shocks, res or explosion in the product or
products used with this product, such as electric motors, switches, coils,
solenoids or relays. Eye protection must be worn and insulated adjustment
tools must be used when working with control under power. This product is
constructed of materials (plastics, metals, carbon, silicon, etc.) which may be
a potential hazard. Proper shielding, grounding and ltering of this product
can reduce the emission of radio frequency interference (RFI) which may
adversely affect sensitive electronic equipment. If information is required on
this product, contact our factory. It is the responsibility of the equipment
manufacturer and individual installer to supply this safety warning to the
ultimate user of this product. (SW effective 11/92).
This control contains electronic Start/Stop and enable circuits that can be
used to start and stop the control. However, these circuits are never to be
used as safety disconnects since they are not fail-safe. Use only the AC line
for this purpose.
The input circuits of this control (potentiometer, start/stop, enable) are not
isolated from AC line.
Be sure to follow all instructions carefully. Fire and/or electrocution can
result due to improper use of this product.
4
SAFETY NOTICES
WARNING - STATEMENT INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF
NOT AVOIDED, COULD RESULT IN INJURY OR DEATH.
CAUTION - Statement indicates a potentially hazardous situation which, if not avoided,
could result in damage to property.
Note - Additional information that is not critical to the installation or operation.
WARNING! READ ALL SAFETY NOTICES BEFORE ATTEMPTING TO USE THIS CONTROL.
DISCONNECT THE MAIN POWER BEFORE MAKING CONNECTIONS TO
THE CONTROL. TO AVOID ELECTRIC SHOCK, BE SURE TO PROPERLY
GROUND THE CONTROL. WIRE CONTROL IN ACCORDANCE WITH THE
NATIONAL ELECTRICAL CODE REQUIREMENTS AND OTHER LOCAL CODES
THAT MAY APPLY. BE SURE TO FUSE EACH CONDUCTOR WHICH IS NOT AT
GROUND POTENTIAL. DO NOT FUSE NEUTRAL OR GROUNDED
CONDUCTORS.
WARNING! THIS EQUIPMENT MAY CONTAIN VOLTAGES AS HIGH AS 1000 VOLTS!
ELECTRICAL SHOCK CAN CAUSE SERIOUS OR FATAL INJURY. ONLY
QUALIFIED PERSONNEL SHOULD INSTALL AND PERFORM THE START-UP
PROCEDURE OR TROUBLESHOOT THIS EQUIPMENT.
5
WARNING! ELECTRICAL SHOCK CAN CAUSE SERIOUS OR FATAL INJURY. BE SURE THAT
ALL POWER IS DISCONNECTED FROM THE CONTROL BEFORE THE COVER IS
OPENED. OPENING OF THE COVER IS REQUIRED TO MAKE INSTALLATION
CONNECTIONS. ELECTRICAL SHOCK CAN CAUSE SERIOUS OR FATAL INJURY
IF THE COVER IS REMOVED AND POWER IS STILL APPLIED.
WARNING! ELECTRICAL SHOCK CAN CAUSE SERIOUS OR FATAL INJURY. VERIFY THERE
IS NO VOLTAGE PHASE-TO-PHASE OR PHASE-TO-NEUTRAL AT THE AC LINE
CONDUCTORS BEFORE TOUCHING THE AC INPUT WIRES. DO NOT TOUCH
LIVE WIRES. ALL POWER MUST BE DISCONNECTED BEFORE PROCEEDING.
WARNING! IT IS THE RESPONSIBILITY OF THE EQUIPMENT MANUFACTURER AND
INDIVIDUAL INSTALLER TO SUPPLY THIS SAFETY WARNING TO THE
ULTIMATE END USER OF THIS PRODUCT. (SW/FSC 5/2005) BE SURE TO
FOLLOW ALL INSTRUCTIONS CAREFULLY. FIRE AND/OR ELECTROCUTION
CAN RESULT DUE TO IMPROPER USE OF THIS PRODUCT.
WARNING! DO NOT USE THIS CONTROL IN AN EXPLOSIVE ENVIRONMENT. AN
EXPLOSION CAN CAUSE SERIOUS OR FATAL INJURY. THIS CONTROL IS NOT
EXPLOSION PROOF.
WARNING! HIGH VOLTAGE IS PRESENT IN THE CONTROL. DISCONNECT MAIN POWER
BEFORE MAKING CONNECTIONS TO THE CONTROL. DO NOT ADJUST
TRIMPOTS WITH THE MAIN POWER APPLIED. IF ADJUSTMENTS ARE MADE
WITH THE MAIN POWER APPLIED, AN INSULATED ADJUSTMENT TOOL
(PROVIDED) MUST BE USED AND SAFETY GLASSES MUST BE WORN. FIRE
AND/OR ELECTROCUTION CAN RESULT IF CAUTION IS NOT EXERCISED.
6
WARNING! AUTOMATIC START: THE CONTROL WILL AUTOMATICALLY START WHEN THE
POWER IS APPLIED AND THE ON/OFF AC LINE SWITCH IS SET TO THE “ON”
POSITION.
WARNING! HIGH VOLTAGE IS PRESENT IN THIS CONTROL. DISCONNECT MAIN POWER
BEFORE MAKING CONNECTIONS TO THE CONTROL. TO PREVENT
ACCIDENTAL CONTACT WITH HIGH VOLTAGE, IT IS REQUIRED THAT THE
COVER BE PROPERLY INSTALLED AFTER ALL SETUP, CONNECTIONS, AND
ADJUSTMENTS ARE COMPLETE. THIS REDUCES ELECTRICAL SHOCK
HAZARD. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN
ELECTRICAL SHOCK OR ELECTROCUTION.
WARNING! DO NOT DEPEND ON THE PILOT LIGHT OR THE PC BOARD MOUNTED LEDs
FOR A GUARANTEED POWER OFF INDICATION. BE SURE ALL AC POWER IS
“OFF” BEFORE SERVICING THE CONTROL TO AVOID ELECTRICAL SHOCK
HAZARD.
WARNING! MAKE SURE THAT THE POTENTIOMETER IS SET FULLY COUNTERCLOCKWISE
PRIOR TO APPLYING POWER. IF THIS IS NOT DONE, THE MOTOR WILL RUN AT
THE SPEED SETTING AT POWER UP. THIS MAY CAUSE BODILY INJURY IF ONE
IS IN CLOSE PROXIMITY OF MOVING PARTS.
WARNING! DO NOT SWITCH THE ARMATURE IN AND OUT OF CIRCUIT OR CATASTROPHIC
FAILURE WILL RESULT. IF ARMATURE SWITCHING IS REQUIRED, USE THE
OPTIONAL FORWARD-BRAKE-REVERSE SWITCH (CATALOG NO. BC144).
7
CAUTION! Disconnect motor leads (A- and A+) from control before performing a “Leakage
Resistance” test on the motor. Failure to disconnect motor from the control may
result in extensive damage to the control. The control is tested at the factory for
high voltage/leakage resistance as part of Underwriters Laboratories
requirements.
CAUTION! Instantaneously applying the Hi-Pot voltage will cause irreversible damage to the
control.
CAUTION! Suitable for use on a circuit capable of delivering not more than 5,000 RMS
symmetrical short circuit amperes listed here at rated voltage.
CAUTION! Proper shielding, grounding, and filtering of this product can reduce the emission
of radio frequency interference (RFI) which may adversely affect sensitive
electronic equipment.
CAUTION! The Voltage Select Switch setting must match the actual AC line input voltage.
Verify that the Voltage Select Switch is in the correct position (“115” position for
115 Volt AC line input and “230” position (factory setting) for 208/230 Volt AC line
input). Do not use the “115V” position for 208/230 Volt AC line input voltage or
damage will occur to the control.
8
CAUTION! If the current limit is adjusted above 160% of the motor nameplate rating, this can
cause overheating of the motor.
CAUTION! Do not leave the motor in a locked rotor condition for more than a few seconds
since damage may occur.
9
10
1. INTRODUCTION
Thank you for purchasing the BC140™ / BC140-FBR, full-wave variable speed DC motor controls. Baldor
is committed to providing total customer satisfaction by producing quality products that are easy to install
and operate. The BC140 and BC140-FBR offer the user the ultimate in reliability and performance at an
affordable price.
The BC140 and BC140-FBR represent the latest in state-of-the-art design, surface mount technology,
incorporating advanced circuitry and technology for variable speed DC motor controls. They are rugged and
compact in size and are able to handle both 115 and 208/230 Volt AC line inputs by setting the built-in Dual
Voltage Switch. In addition, one model can be used on a wide range of motors by selecting and inserting the
appropriate Plug-in Horsepower Resistor
®
.
The standard model, BC140, controls all motors through 3/4 HP at 115 Volt AC line input and 1-1/2 HP
at 230 Volt AC line input. By installing the Auxiliary Heat Sink (see Table 1-2), the horsepower range is
increased to 1 HP at 115 Volt AC line input and 2 HP at 230 Volt AC line input. The versatility of the control is
enhanced with the optional Forward-Brake-Reverse Switch Kit (Catalog No. BC144)*.
*Note: Forward-Brake-Reverse Switch Kit, BC144, is factory installed on the BC140-FBR model.
The electronics for the BC140 and BC140-FBR consist of a patented speed control module. Its eld-proven
reliability is conrmed by over 100,000 controls presently in operation. The module is housed in a rugged
metal enclosure not plastic. Keyhole slots facilitate mounting and an easily accessible terminal block
simplies connections.
WARNING! BE SURE TO FOLLOW ALL INSTRUCTIONS CAREFULLY. FIRE OR
ELECTROCUTION CAN RESULT DUE TO IMPROPER USE OF THIS
PRODUCT. READ SAFETY NOTICES.
This product complies with all CE directives pertinent at the time of manufacture.
Contact your local Baldor District Ofce for Declaration of Conformity. Installation of a
CE approved RFI lter is required (see Table 1-2.)
11
1.1 Standard Features
Table 1-1 outlines the Standard Features for the BC140 / BC140-FBR Control.
Table 1-1 Standard Features
Feature Description
Simple to Operate
Does not require programming. Uses adjustable trimpots which are factory
set for most applications.
AC Line Input Voltage
(±15%, 50/60 Hz)
115 and 208/230 Volts AC
Dual Voltage Selection
(Under the Front Cover)
Allows for selection of 115 Volt or 208/230 Volt AC line input. (Factory set to
the "230" Volt position.)
Plug-In Horsepower
Resistor
®
(Supplied
Separately)*
Allows the control to be used on a wide range of motors.
Fusing* Built-In AC Line Fuse. Armature Fuse (Supplied Separately).
MOV Protection AC line input transient suppression.
Adjustable Trimpots
Allow adjustment of Acceleration (ACCEL), Deceleration (DECEL),
Minimum Speed (MIN), Maximum Speed (MAX), Current Limit (CL), and IR
Compensation (IR).
Diagnostic LEDs Power On (PWR ON) and Current Limit (CL).
*Plug-In Horsepower Resistor® and armature fuse must be properly selected to accurately calibrate the
control.
12
1.2 Optional Accessories
Table 1-2 outlines the optional accessories available to extend application versatility.
Table 1-2 Optional Accessories
Item Catalog No. Description
Auxiliary Heat Sink BC143
Extends the control's rating to 1 HP, at 115 Volts
AC, and 2 HP, at 230 Volts AC. See Section 11.
Forward-Brake-Reverse Switch*
BC144
Includes Forward-Brake-Reverse Switch with
dynamic brake resistor. See Section 12.
RFI Filter BC24-LF
Panel mount. Rated 24 Amps at 115 and 208/230
Volts AC, single phase. Complies with CE Directive
89/336/EEC (EN55022 and/or EN55011) relating to
the EMC Class A Industrial Standard.
* Factory installed on the BC140-FBR model.
13
1.3 Electrical Ratings
Table 1-3 outlines the electrical ratings of the BC140 / BC140-FBR control.
Table 1-3 Electrical Ratings
AC Line Voltage
(± 15%, 50/60 Hz)
(Volts AC)
Motor
Voltage
(Volts DC)
Maximum Rating without Auxiliary
Heat Sink
Maximum Rating with Auxiliary Heat Sink
AC Line
Current
(RMS Amps)
DC Load
Current
(Avg. Amps)
Horsepower
(HP, (kW))
AC Line
Current
(RMS Amps)
DC Load
Current
(Avg. Amps)
Horsepower
(HP, (kW))
115 90 – 130 12.0 6.0 0.75, (0.6) 16.0 12.0 1, (.75)
230 180 12.0 6.0 1.5, (1.1) 16.0 12.0 2, (1.5)
Notes:
1. The BC140 and BC140-FBR can be converted to the higher rating by installing the Auxiliary Heat Sink
(Catalog No. BC143).
2. The BC140 and BC140-FBR must be set for either 115 or 208/230 Volt AC line input by setting the Voltage
Select Switch to the “115” or “230” position, respectfully. When the control is set for “115”, use only 90 –
130 Volt DC rated motors. When the control is set for “230”, use only 180 Volt DC rated motors.
3. Field voltage is 100 Volt DC with 115 Volt AC line input and 200 Volts DC with 230 Volt AC line input.
Maximum Field current is 1.0 Amps DC.
14
1.4 Trimpot Adjustments
Table 1-4 outlines the trimpot adjustments of the BC140 / BC140-FBR control.
Table 1-4 Trimpot Adjustments
Trimpot Description
Acceleration (ACCEL). See
Section 7.1.
Sets the amount of time for the motor to accelerate from zero
speed to full speed.
Deceleration (DECEL). See
Section 7.2.
Sets the amount of time for the motor to decelerate from full
speed to zero speed.
Minimum Speed (MIN). See
Section 7.3.
Sets the minimum speed of the motor.
Maximum Speed (MAX). See
Section 7.4.
Sets the maximum speed of the motor.
Current Limit (CL). See Section
7.5.
Sets the maximum amount of DC current that the motor can
draw.
IR Compensation (IR). See Section
7.6.
Sets the required voltage compensation to the motor to provide
improved load regulation.
15
1.5 General Performance Specifications
Table 1-5 outlines the general performance specications of the BC140 / BC140-FBR control.
Table 1-5 General Performance Specifications
1
Description Specification
Factory
Setting
Speed Range (Ratio) 50:1 —
Armature Feedback Load Regulation (0 - Full Load, 50:1 Speed Range) (%
Base Speed)
1
2
—
Line Voltage Regulation (at Full Load, ± 10% Line Variation) (% Base Speed) 0.5
2
—
Control Linearity (% Speed vs. Dial Rotation) 2 —
Acceleration (ACCEL) Trimpot Range (Seconds) 0.2 - 10 2
Deceleration (DECEL) Trimpot Range (Seconds) 0.2 - 10 2
Maximum Speed (MAX) Trimpot Range (% Base Speed) 50 - 110
2
100
Minimum Speed (MIN) Trimpot Range (% Base Speed) 0 - 30
2
0
CL/Torque Range (% Full Load) 0 - 200 150
IR Compensation (IR) Trimpot Range (at Specied Full Load at 90/180 Volts
Output) (Volts DC)
0 - 24 / 0 - 48 3 / 6
Operating Temperature Range without Optional Auxiliary Heat Sink (Catalog
No. BC143) (°C / °F)
0 - 40 / 32 - 104 —
Operating Temperature Range with Optional Auxiliary Heat Sink (Catalog No.
BC143) (°C / °F)
0 - 50 / 32 - 122 —
Notes:
1. CE Compliance requires BC24-LF RFI Filter. (See Optional Accessories, Table 1-2).
2. Performance is for 90 Volt PM motors with 115 Volt AC line input and 180 Volt DC PM motors with 230
Volt AC line input.
16
Figure 1-1 Cover Layout
(%) SPEED
FWD
1
0
REV
R
B
K
Motor
Before
to Stop
Reversing
Allow
0
3
0
20
50
4
0
ON
90
OFF
1
0
0
7
0
80
6
0
Two (2) Cover Screws
Recommended Tightening Torque: 5 lbs-in (6 kg-cm)
Main Speed Potentiometer
On/Off AC Line Switch
Pilot Light
Optional Forward-Brake-Reverse Switch
Note: See Section 6 for Voltage Select
Switch (Located Under Cover)
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