USER`S MANUAL 170-543-0004 - Bison Gear and Engineering

USER`S MANUAL 170-543-0004 - Bison Gear and Engineering
USER’S MANUAL
Variable-frequency drive for
3-phase and single-phase
AC motors
170-543-0004
Copyright © 2006 by
Bison Gear & Engineering
All rights reserved. No part of this manual may be reproduced or transmitted in any
form without written permission from Bison Gear & Engineering. The information and
technical data in this manual are subject to change without notice. Bison Gear &
Engineering 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. Bison Gear & Engineering 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. KC0304
Printed in the United States of America.
i
Safety Warnings
• This symbol  denotes an important safety tip or
SHOCK
HAZARD
AVOID
HEAT
KEE
DR
OID
ATION
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 using 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.
Bison 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.
ii
General Information
The Bison Variable Frequency Drive Series are solid-state,
variable-frequency AC motor drives. The 170-543-0004
utilizes a 115 or 230 VAC, 50/60 Hz, single-phase input,
and is factory calibrated for an output of 0 to 60 Hz. They
will operate any 1 HP or smaller, 208/230-volt three-phaseAC-induction, single-phase permanent split capacitor motor
(see page v) and can be user calibrated for 0 through 120
Hz output.
Although 170-543-0004 inverters can operate over their full
speed range, most motors will operate with constant torque
over a 10:1 speed range, 6 Hz to 60 Hz, and constant
horsepower above 60 Hz. (Inverter-duty motors may
operate satisfactorily over a 20:1 speed range.) Some
motors can be satisfactorily operated at speeds as low as
50 rpm (speed range 50:1). Below 50 rpm, some motors
may show signs of “stepping” or “cogging”, and may run
warmer.
*Although the 170-543-0004 will allow a minimum of 0 Hz, the actual
minimum frequency is dependent on motor type and load. The motor may
need to be derated for low-frequency (30 Hz and lower) operation. Please
consult the motor manufacturer.
iii
Many 3-phase inverter manufacturers claim that they can
run single-phase motors effectively. This is normally
accomplished by wiring only 2 phases; however, this
method may cause instabilities due to the lack of feedback
from one of the motor connections. Furthermore, motor
torque will be reduced considerably because the phases
are 120° apart. Although the 170-543-0004 uses this
method of connection, its fundamental design enables it to
operate efficiently under these conditions.
The 170-543-0004 features solid-state reversing with
adjustable acceleration and deceleration. The 170-5430004 may also interface with motor thermal protection
through the enable circuit.
iv
170-543-0004 FEATURES & BENEFITS
• SOLID-STATE CIRCUITRY
• SOLID-STATE REVERSING
• ADJUSTABLE CARRIER FREQUENCY (4 kHz - 16 kHz)
• MULTIPLE MOTOR OPERATION
• THREE-PHASE AND SINGLE-PHASE MOTOR CONTROL
LED INDICATORS
POWER
(green)
ENABLE
(red)
FAULT
(red)
TORQUE
(yellow)
ADJUSTABLE
CALIBRATION
TRIMPOTS
DECEL
ACCEL
MIN
MAX
BOOST
STANDARD ISOLATION
ACCEPTS A 0 - 5 VDC,
0 - 10 VDC, or 4 - 20 mA
NON-ISOLATED SIGNAL
SLIP COMP
TQ LIMIT
ZERO SET
VOLTAGE DOUBLER
DOUBLES THE OUTPUT
VOLTAGE TO THE AC
MOTOR WHEN 115 IS APPLIED
BRAKE
TIME
BRAKE
CURRENT
Figure 1. 170-543-0004 Features & Benefits
v
Important Information
 Warning
Caution should be taken when operating fan-cooled
motors at low speeds because their fans may not
move sufficient air to properly cool the motor. Bison
recommends “inverter-duty” motors when the speed
range is beyond 10:1.
In addition to standard 3-phase induction motors, the
following motor types may be used with the 170-543-0004:
• Permanent split capacitor (PSC)
• Shaded pole
• AC synchronous

The following motor types MAY NOT be used:
•
•
•
•
•
Split phase
Capacitor start
Repulsion induction
Series Universal AC/DC
Any motor with starting switch (centrifugal or relay)
and/or separate starting winding.
vi
Contents
Safety Warnings
i
General Information
ii
Important Information
v
Specifications
1
Dimensions
2
Layouts
3
Jumper Locations
4
Installation
5
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Shielding guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Heat sinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Input AC Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Motor connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Speed Adjust Potentiometer Connections . . . . . . . . . . . . . . . . . . . . . . . . . .18
Signal and Optional Switch Connections . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Voltage or Current Follower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Operation
22
Voltage Doubler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
To reverse motor direction: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Starting and stopping methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
To coast the motor to a stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
To brake the motor to a stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Thermal protection of the motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Line starting and stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
vii
Calibration
31
Calibration procedure Setup for 60 Hz Motors: . . . . . . . . . . . . . . . . . . . . . . . . .33
MAXIMUM SPEED (MAX SPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
MINIMUM SPEED (MIN SPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
TORQUE LIMIT (TQ LIMIT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
ACCELERATION (ACCEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
DECELERATION (DECEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
BOOST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
SLIP COMPENSATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Calibration Procedure Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Application Notes
38
Independent adjustable speeds with DIR switch . . . . . . . . . . . . . . . . . . . . . . .38
RUN/JOG switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Single speed potentiometer control of multiple motors . . . . . . . . . . . . . . . . . . .40
Quick Reversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Troubleshooting
42
Before troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
POWER LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
ENABLE LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
FAULT LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
TQ LIMIT LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Unconditional Warranty
Inside Back Cover
Tables
Table 1. Line Fusing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
viii
Illustrations
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
170-543-0004 Series Features & Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv
170-543-0004 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
170-543-0004 Circuit Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
170-543-0004 Jumper Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
AC Line Connections for 170-543-0004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Voltage Doubler Feature for 170-543-0004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Motor Connections-Single Phase Operation (pre-wired cap) . . . . . . . . . . . . . . . . . .16
Motor Connections -Single Phase Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Motor Connections -Three Phase Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Speed Adjust Potentiometer Connections to TB501 . . . . . . . . . . . . . . . . . . . . . . . . .18
Signal and Optional Switch Connections for 170-543-0004 . . . . . . . . . . . . . . . . . . .20
Jumper Settings-JMP504 and JMP505 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
170-543-0004 Jumper Settings-JMP506 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Thermal Overload Switch with Optional Enable / Disable Switch . . . . . . . . . . . . . . .28
Jumper Settings--JMP503 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
170-543-0004 Calibration Trimpot Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Independent Adjustable Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
RUN/JOG Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Single Speed Potentiometer Control of Multiple Motors . . . . . . . . . . . . . . . . . . . . . .40
170-543-0004 Quick Reversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
170-543-0004 Diagnostic LED location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
1
Specifications
Drive
170-543-0004
*
1-Phase
Input
(VAC)
*115 / 230
1 or 3-Phase
Output
(VAC)
230
Max
HP
1
Max Continuous
Output
Current (AC) †
4.0
AC
Amps
In
14/7
Connect only 115 VAC line input to the 115 VAC terminals. Application of 230 VAC line input when set for 115
VAC will result in severe damage to the motor and drive, and possible explosion and injury.
† Derate current by 2% per degree if the operating temperature is above 40°C. Under no circumstances may the
ambient temperature exceed 55° C.
AC Voltage Input Range
Standard Carrier Frequency
Output Frequency Range
Maximum Output Frequency Range
Minimum Output Frequency Range
Acceleration Time Range
Deceleration Time Range
Analog Input Voltage Range
Input Impedance, S1 to S2
Braking Current
Braking Time
Vibration
Weight
Ambient Operating Temperature Range
115/230 VAC ± 10%, 50/60 Hz single phase
16 KHz
0 – 120 Hz
30 – 120 Hz
0 – 30 Hz
1 – 12 seconds
1 – 12 seconds
0 – 5VDC,0-10VDC,4-20mA**
~ 100K ohms
0-100% rated output
1 – 12 seconds
0.5G max (20 – 50 Hz)
0.1G max (> 50 Hz)
3.0 lb
10° – 40° C
** Isolation is standard, and allows for non-isolated speed input, enable and direction switch inputs to be used.
2
Dimensions
POWER
FWD
OFF
REV
2 3
1
1
8 9
0
0
7.200 [ 183 ]
0.188
[5]
5 6
7
4
SPEED
6.350 [161]
ADJUSTABLE SPEED
REVERSING
AC MOTOR CONTROL
0.89
[22.6]
BOTTOM PLATE
0.73 [18.5]
CONDUIT HOLES
2 PLACES
4.56 [116]
2.12 [53.8]
2.20
[55.9]
3.40
[86.4]
ALL DIMENSIONS IN INCHES [MILLIMETERS]
Figure 2. 170-543-0004 Dimensions
3
Layout
C501
JMP504
1 2 3
TB501
4mA
ZERO
SET
JMP505
MIN
IC501
T501
MAX
IL501 JMP503
UV TRIP
RESTART
C502
IL504
ACCEL
ENABLE
BRAKE
IL501
IL502
COAST
POWER FAULT
JMP506
DECEL
SLIP
COMP
J501
Q14
C501
BOOST
IL503
Q13
R88
TORQUE
LIMIT
R89
115
C34
C35
R76
R75
Q11
BR501
230
D20
D21
JMP501
C503
D19
C502
C508
JMP504
INPUT SELECT
1-2 = VDC
2-3 = mA
R84
JMP505
RANGE SELECT
1 = 0 - 5 VDC
2 = 0 - 10 VDC
3 = 4 - 20 mA
FU5
SCR501
C38
C28
BRAKE
CURRENT
R80
FU502
C504
D18
SCR502
BRAKE
TIME
230 VAC
115 VAC
JMP502
L1
L2
U
V
W
TB502
Figure 3. 170-543-0004 Circuit Board Layout
4
Jumper Locations
JMP504
C501
JMP504
1 2 3
TB501
4mA
ZERO
SET
JMP505
JMP503
MIN
IC501
T501
MAX
IL501 JMP503
UV TRIP
RESTART
C502
IL504
ACCEL
ENABLE
JMP506
BRAKE
IL501
IL502
COAST
POWER FAULT
DECEL
JMP506
J501
SLIP
COMP
UV TRIP
Q14
C501
BOOST
IL503
Q13
R88
JMP501
TORQUE
LIMIT
R89
JMP501
D20
D21
C35
R75
BR501
R76
Q11
C34
(GENERAL LOCATION)
C503
D19
C502
C508
JMP504
INPUT SELECT
1-2 = VDC
2-3 = mA
R84
JMP505
RANGE SELECT
1 = 0 - 5 VDC
2 = 0 - 10 VDC
3 = 4 - 20 mA
FU5
SCR501
C38
C28
BRAKE
CURRENT
R80
FU502
SCR502
BRAKE
TIME
230 VAC
JMP502
115 VAC
JMP502
C504
D18
L1
L2
U
V
W
TB502
Figure 4. 170-543-0004 Jumper Locations
JMP505
5
Installation
 Warning
쇵
DO NOT install, rewire, or remove this control
with input 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. Opening any one
motor lead may damage the drive.
Wait at least one minute after power is removed from
drive before working on drive.
6
Mounting
 Warning
DO NOT install, rewire, or remove this
control with input power applied. Doing so
may cause fire or serious injury. Make sure
that you read and understand the Safety
Warnings before attempting installation.
NOTE: Horizontal mounting may require
derating the drive.
See your Bison
representative for more information
• It is recommended that the drive be oriented with the
chassis vertical for best heat dissipation. Horizontal
mounting, while acceptable, may require some thermal
derating.
• Four 0.19-inch (5 mm) wide slots accept #8 pan head
screws. Fasten the heatsink chassis to the subplate.
• Drive components are sensitive to electrostatic fields.
Avoid direct contact with the circuit board. Hold the
drive by the chassis only.
7
• 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 the heat sources. Operate
the drive within the specified ambient operating
temperature range.
• Prevent loose connections by avoiding excessive
vibration of the drive.
• 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.
8
Wiring
 Warning
쇵
DO NOT install, rewire, or remove this control with
input 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. Opening any one
motor lead may damage the drive.
Wait at least one minute after power is removed from
drive before working on drive.
• Use 20 – 24 AWG wire for speed adjust potentiometer
wiring. Use 14 AWG wire for AC line (L1, L2) and motor
(U,V and W) wiring.
9
Shielding guidelines
 Warning
Under no circumstances should power and logic
leads be bundled together. Induced voltage can
cause unpredictable behavior in any electronic device,
including motor controls.
As a general rule, Bison recommends shielding of all
conductors.
If it is not practical to shield power conductors, Bison
recommends shielding all logic-level leads. If shielding the
logic leads is not practical, the user should twist all logic
leads with themselves to minimize induced noise.
It may be necessary to earth ground the shielded cable. If
noise is produced by devices other than the drive, ground
the shield at the drive end. If noise is generated by a device
on the drive, ground the shield at the end away from the
drive. Do not ground both ends of the shield.
10
If the drive continues to pick up noise after grounding the
shield, it may be necessary to add AC line filtering devices,
or to mount the drive in a less noisy environment.
Logic wires from other input devices, such as motion
controllers and PLL velocity controllers, must be separated
from power lines in the same manner as the logic I/O on
this drive.
Heat sinking
The 170-543-0004 drive is delivered with a heat sink
chassis. Ensure that there is adequate space above and
below the drive for proper convection air flow. A small fan
may be necessary for proper cooling in restricted space
applications. Bison recommends mounting the drive
vertically.
11
Fusing
The 170-543-0004 includes AC power line fuses on the
main PC Board. Use fast-acting fuses rated for 250 VAC or
higher. See Table 1 for recommended line fuse sizes.
Table 1. Line Fusing Chart
Drive
170-543-0004
1-Phase
Input
(VAC)
115 / 230
Max
HP
1
AC
Amps
In
14/7
AC Line
Fuse
Size (Amps)
15
12
Connections
All power input and power output connections are made
to TB502.
 Warning
DO NOT connect this equipment with power
applied. Failure to heed this directive may result in
fire or serious injury.
Bison strongly recommends the installation of a
master power switch in the voltage input line. The
switch contacts should be rated at a minimum of 20
Amps and 250 volts.
Input AC Power connections
Connect the AC power input to TB502 L1 and L2 as
shown in Figure 5 (page 13). Connect an external master
stop switch. Install the switch in series of the AC power
input as shown.
13
Figure 5. AC Line Connections for 170-543-0004
14
Warning
Ꮨ
Do not connect 230 VAC line
input when the drive is set for
115 VAC input. This will result in severe damage to
the motor. and can lead to explosion and/or injury.
Connect AC Power input to L1 and L2 as shown in
Figure 5 (page 13).
NOTE: The 170-543-0004 is equipped with a voltagedoubler feature, which converts a 115 VAC input to a
230 VAC output, for use with 230V motors. The drive
output current rating remains the same for either AC input
voltage. Use caution when connecting this output.
If the input voltage is 115 VAC and the desired output
voltage is 230 VAC (voltage doubler mode), set
jumpers as shown in Figure 6 (page 15).
If the input voltage is 230 VAC and the desired output
voltage is 230 VAC (no voltage doubler), set jumpers
as shown in Figure 6 (page 15).
Refer to Figure 4 (page 4) for jumper locations.
15
NOTE: The 170-543-0004 series of drives covered in this
manual are meant to be used with 208/230 VAC motors
only. DO NOT use this series of drives with 115 VAC
motors.
JMP501
Jumper Pins 2 & 3 for 115 VAC input
Jumper Pins 1 & 2 for 230 VAC input
JMP502
Jumper Pins 1 & 2 for 115 VAC input
Jumper Pins 2 & 3 for 230 VAC input
Figure 6. Voltage Doubler Feature for 170-543-0004
16
Motor connections
Motor connections are made to TB502
Single-phase operation
For single-phase operation, connect the motor as shown
below in Figure 7. Ensure that the prewired capacitor and
its associated motor coil are connected to terminals U and
V as shown. This connection may be internal if using a 2wire motor. If the motor has three leads, you must make
this connection yourself.
To reverse a single phase permanent split capacitor motor,
connect the motor as shown in Figure 8 (page 17). The
motor cap must be removed from the circuit.
DO NOT use a direction
switch with this wetup
Figure 7. Single Phase Operation (pre-wired cap)
17
Motor run cap must be
removed from the circuit
This method works with
most (but not all) motors.
Figure 8. Single Phase Operation (Reversing)
Three-phase operation
Connect a three-phase motor to terminals U, V and W as
shown in Figure 9 below.
Figure 9. Three-phase Operation
18
Speed Adjust Potentiometer Connections
Set JMP504 for VDC input by jumpering pins 1 & 2. Set
JMP505 for 0-5 VDC by jumpering pin column 1. Refer
to Figure 4 (page 4) for Jumper Locations. Connect a
speed adjust potentiometer to terminals S1, S2 and S3.
Make sure the potentiometer is connected so that the
motor speed will increase as the potentiometer is turned
clockwise. See Figure 10 below.
NOTE: These settings and connections are factory
installed on the 170-543-0004 drive.
10K OHM
SPEED ADJUST
POTENTIOMETER
CW
TB501
D
S3
S2
S1
E1
E2
Figure 10. Speed Adjust Potentiometer Connections to TB501
19
Signal and Optional Switch Connections
All signal and switch connections are made at TB501. Use
20 - 24 AWG wire for speed adjust potentiometer and
switch connections.
NOTE: The Enable/Disable and Direction switch are
factory installed on the 170-543-0004 drives.
ENABLE/DISABLE switch
Connect a single-pole, single-throw ENABLE/DISABLE
switch between the ENABLE (E2) and COMMON (E1)
terminals as shown. Open the switch to disable the drive
and coast or brake to a stop. Refer to page 26 for stopping
method. Close the switch to accelerate to set speed at a
rate controlled by the ACCEL trimpot. The ENABLE input is
isolated.
DIRECTION (D) switch
Connect a single-pole, single-throw DIRECTION switch
between the (D) and COMMON (E1) terminals as shown in
Figure 11 (page 20). Opening the switch will cause the
motor to rotate in the forward direction; closing the switch
will reverse motor rotation. The DIRECTION input is
isolated.
The drive will decelerate the motor to a stop, (at the DECEL
trimpot setting), before reversing, so there is no need to wait
for the motor to coast or brake to a stop before changing
direction. For faster reversing see Application Notes (page
38).
20
D
S3 S2 S1 E1 E2
Figure 11. Signal and Optional Switch
Connections for 170-543-0004
Voltage or Current Follower
Drives can be configured to follow an isolated or a
grounded (non-isolated) voltage or current signal. To
configure the drive to follow a voltage or current signal,
connect the signal leads to the S1 and S2 terminals on
TB501 as shown in Figure 11 above. Ensure that the
following jumper terminals are properly set as shown in
Figure 12 (page 21).
21
JMP504 Input Type
Jumper pins 1 & 2 for Voltage follower or speed pot mode.
Jumper pins 2 & 3 for Current follower.
JMP505 Input Range Settings
Set jumper in position 1 for 0-5 VDC signal or speed pot input.
Set jumper in position 2 for 0-10 VDC signal.
Set jumper in position 3 for 4-20 mA signal. *
* The 4-20 mA ZERO SET potentiometer should be used
to calibrate the zero (or minimum) speed of the drive with
4mA applied to the input. For voltage inputs this pot
should be set to full CCW.
JMP504
JMP504
1
2
1 & 2 for Voltage Input
2 & 3 for Current Input
3
JMP505
JMP505
1
2
1 = 0 - 5 VDC INPUT
2 = 0 - 10 VDC INPUT
3 = 4 - 20 mA INPUT
3
Figure 12. Jumper Settings--JMP504 and JMP505
22
Operation
 Warning
쇵
Dangerous voltages exist on the drive when it is
powered, and up to 60 seconds after power is
removed and the motor stops. BE ALERT. High
voltages can cause serious or fatal injury.
Do not change jumper settings with power applied.
Ensure that jumper settings are compatible with the
motor being controlled.
 Voltage Input Warning
쇵
DO NOT connect 230 VAC line input when the
drive is set for 115 VAC input. This will result in
severe damage to the motor and drive, and possible
explosion and/or injury.
23
Voltage Doubler
 Warning
DO NOT connect 230 VAC line input when drive is
set for 115 VAC input. This will result in severe
damage to the motor and drive, and possible
explosion or severe injury.
The 170-543-0004 drive is equipped with a unique voltagedoubling feature, for use when 230 VAC input voltage is not
available. This feature converts a 115 VAC input to a 230
VAC output, for use with 230V motors. The drive output
current rating remains the same for either AC input voltage.
Refer to Figure 6 (page 15) for connection information. Use
extreme caution when connecting this feature. Incorrect
use of this feature may result in fire and/or serious injury.
NOTE: The 170-543-0004 is meant to be used with
208/230 VAC motors only. DO NOT use this drive
with 115 VAC motors.
24
Startup
 Warning
DO NOT change jumper settings with power
applied. Ensure that jumper settings are compatible
with the motor being controlled.
Before applying power, verify that no conductive
material is present on the printed circuit board.
1. Verify that no conductive material is present on the PCB.
2. Verify that the correct voltage is connected to the inputs
before applying power. DO NOT CONNECT 230 VAC
line voltage to a 115 VAC configured drive. Applying
power in this manner will damage the motor and drive.
3. Set the speed adjust potentiometer or reference signal
to zero (full CCW).
4. Set the DIRECTION switch (if installed) to the desired
direction. If no switch is installed, add or remove a
jumper across the (D) and (E1) terminals, as required.
5. Set the ENABLE/DISABLE switch (if installed) to
ENABLE, or short the ENABLE (E2) and (E1) terminals
on TB501.
6. Apply 115 or 230 VAC, 50/60 Hz, single-phase power to
the drive. The green POWER LED will come on after an
initial delay of 1 - 2 seconds. If the POWER LED does
not light, check the line fuses to ensure that they are
properly installed and not open.
25
7. If you attempt to startup and the yellow TQ LED comes
on, the control has entered torque limit mode. To avoid
this occurrence, you may:
a. increase the torque limit setting*, or
b. lengthen the acceleration time enough to
accommodate the starting torque needed by
adjusting the ACCEL trimpot.
* Do not set the torque limit setting above 150% of the motor’s
nameplate current rating.
To reverse motor direction:
To reverse the direction of motor shaft rotation while the
motor is running, set the DIRECTION switch to the opposite
position. If no DIRECTION switch is installed, open or short
the (DIR) and (E1) terminals on TB501, as required.
When a new direction is selected, there is no need to open
the enable input. The control will automatically decelerate
the motor to zero speed, reverse direction, and then
accelerate the motor back to the set speed. Acceleration
and deceleration rates are controlled by the ACCEL/DECEL
trimpot settings. If quicker reversing is needed refer to
applications notes section page 38 for further detail.
NOTE: DO NOT use the DIRECTION switch if there is a
capacitor in the motor windings.
26
Starting and stopping methods
(factory set to COAST position)
To coast the motor to a stop
Insure that JMP506 is set to the COAST position as shown
in Figure 13 (page 27). Refer to Figure 4 (page 4) for
Jumper Locations. To coast the motor to a stop open the
ENABLE/DISABLE switch, or remove the jumper between
ENABLE (E2) and COMMON (E1) terminals of TB501.
Refer to page 19 for instructions on switch installation.
To brake the motor to a stop
Insure that JMP506 is set to the BRAKE position as shown
in Figure 13 (page 27). Refer to Figure 4 (page 4) for
Jumper Locations. Confirm BRAKE CURRENT and
BRAKE TIME potentiometers are calibrated to a desired
value. BREAK CURRENT is adjustable from 0-100% of
rated output current. BRAKE TIME is adjustable from 1 -12
seconds. To brake the motor, open the ENABLE/DISABLE
switch, or remove the jumper between ENABLE (E2) and
COMMON (E1) terminals of TB501. Refer to page 19 for
instructions on switch installation.
27
1
2
3
BRAKE
COAST
JMP506 (on top board)
Jumper Pins 1 & 2 to Brake
Jumper Pins 2 & 3 to Coast
Figure 13. Jumper Settings--JMP506
Thermal protection of the motor
The enable input can also act as a motor thermal protection
circuit for motors having a built-in thermal protector. These
thermal protectors are operated only by motor heat and
open the enable circuit when the motor reaches a
temperature capable of causing damage to the motor
winding.
28
Normally, these thermal procedures automatically close the
circuit when the motor has cooled to a safe temperature. In
operation, the drive can be disabled by opening the enable
switch or opening the thermal overload switch. See Figure
14 below.
ENABLE / DISABLE
SWITCH
CLOSE TO ENABLE
THERMAL
OVERLOAD
SWITCH
TB501
E2 (ENABLE)
E1 (COMMON)
Figure 14. Thermal Overload Switch with Optional
Enable / Disable Switch
29
Line starting and line stopping
 Warning
Bison strongly recommends the installation of a
master power switch in the voltage input line (see
Power and Fuse connections, page 13). The switch
contacts should be rated at a minimum of 20 Amps
and 250 volts.
Line starting/line stopping (applying and removing AC
voltage input) may be configured to operate two different
ways by use of JMP503.
When JMP503 is set to the UV TRIP position as shown in
Figure 15 (page 30), the drive will stop and latch off when
an under voltage condition, (bus voltage drops below
200VDC), occurs. This can occur due to line sag, line
transients, or line disconnect. The drive may then be
restarted by cycling the ENABLE off then on, or waiting until
the DC bus drops to zero, (approximately 1 minute), at
which point the drive will restart upon reapplication of line
power. Refer to Figure 4 (page 4) for Jumper Locations.
30
When JMP503 is set to the RESTART position as shown in
Figure 15 below (factory set to UV trip), the drive will stop
when an under voltage condition, (bus voltage drops below
200 VDC), occurs. This can occur due to line sag, line
transients, or line disconnect. There is a 1.5 second restart
delay after the bus voltage returns to normal. Refer to
Figure 4 (page 4) for Jumper Locations.
JMP503 (on bottom board)
Pins 1 & 2 to Trip
Pins 2 & 3 to Restart
JMP503
1
2
3
UV TRIP
RESTART
UV TRIP: Drive has a low voltage fault & must
be manually re-enabled or the bus voltage must
go to zero and then return to operation potential
to restart.
RESTART: Drive has a low voltage fault &
will momentarily stop then auto-restart
when input voltage returns to minimum level.
Figure 15. Jumper Settings--JMP503
31
Calibration
 Warning
쇵
Dangerous voltages exist on the drive when it is
powered, and up to 60 seconds after power is
removed and the motor stops. When possible,
disconnect the voltage input from the drive before
adjusting the trimpots. If the trimpots must be
adjusted with power applied, use insulated tools and
the appropriate personal protection equipment. BE
ALERT. High voltages can cause serious or fatal
injury.
The 170-543-0004 has ten user-adjustable trimpots. Each
drive is factory calibrated to its maximum horsepower
rating. Re-adjust the calibration trimpot settings to
accommodate lower horsepower motors. See Figure 16
(page 32) for 170-543-0004 series trimpot locations.
All adjustments increase with clockwise (CW) rotation and
decrease with counter-clockwise (CCW) rotation. Use a
non-metallic screwdriver for calibration. Each trimpot is
identified on the printed circuit board.
32
ZERO SET
JMP 504
1 2 3
MIN
TB 501
4mA
ZER O
SET
JMP 505
MAX
MIN
IC501
IL 501
T 501
MAX
JMP 503
U V TRI P
RESTART T
IL 504
DECEL
SLIP COMP
J501
Q 14
C501
SLIP COMP
BOOST
IL 503
Q 13
TORQUE
LIMIT
R89
D2 0
C 34
C35
R7 6
R75
Q 11
DECEL
BOOST
R88
D21
ACCEL
ACCEL
ENABLE
BRAKE
IL 501
IL 502
CO A ST
P O WE R FA U LT
JMP 506
C503
D1 9
JMP 504
INP U T S ELE CT
1-2 = VD C
2- 3 = m A
C 50 2
R 84
JMP 505
RAN G E S ELE CT
1 = 0 - 5 VD C
2 = 0 - 1 0 VD C
3 =4-2 0 mA
BRAKE
CURRENT
C 38
C 28
BRAKE
CURRENT
R 80
D1 8
TQ LIMIT
C504
BRAKE
TIME
BRAKE
TIME
Figure 16. 170-543-0004 Calibration Trimpot Locations
33
Calibration Procedure Setup for 60 Hz Motors:
1. Set JMP501 & JMP502** to appropriate input voltage
setting (115/230VAC). Refer to Figure 4 (page 4) for
Jumper Locations.
2. Set the ENABLE switch to the DISABLE (open) position.
If no switch is installed, remove the jumper between the
(E2) and (E1) terminals of TB501.
3. Set the DIRECTION switch to the FWD (open) position.
If no switch is installed, confirm that there is no jumper
between the (D) and (E1) terminals of TB501.
4. Set all trimpots except TQ LIMIT and MAX fully
counterclockwise (CCW).
5. Set the TQ LIMIT trimpot to maximum (full CW).
6. Set the MAX trimpot to the 50% position.
7. Set the speed adjust potentiometer or reference signal
to zero (full CCW):
8. Calibrate the trimmer pots as follows:
MAXIMUM SPEED (MAX)
Rotate the speed adjust potentiometer full CW or set the reference
signal to maximum. Using a hand-held tachometer or analog
frequency meter as a reference, adjust the MAX trimpot until the
desired maximum speed or frequency is reached.
34
MINIMUM SPEED (MIN)
Rotate the speed adjust potentiometer CCW or set the
signal reference to a minimum. Adjust the MIN trimpot until
the motor has stopped (for zero speed setting), or until
desired minimum speed has been reached. The MAX may
need to be readjusted after calibration of the MIN.
TORQUE LIMIT (TQ LIMIT)
 Warning
Although the TORQUE LIMIT trimpot can be set up
to 150% of the drive nameplate rating, continuous
operation beyond the drive nameplate rating may
cause damage to the motor and/or drive.
1. With no power applied to the drive, connect a (true RMS)
ammeter in series with one of the motor leads.
2. Set the TQ LIMIT trimpot to full CCW.
3. Carefully lock the motor shaft. Ensure that the motor is
firmly mounted.
4. Apply line power. The motor should be stopped.
5. Set the speed adjust potentiometer or reference signal to
maximum speed. The motor should remain stopped.
6. Slowly rotate the TQ LIMIT trimpot clockwise (CW)
until the ammeter reads 120% of maximum motor
current.
35
7. Set the speed adjust potentiometer or
reference signal to zero speed.
8. Remove power from the drive.
9. Remove the lock from the motor shaft.
10. Remove the ammeter in series with the
motor lead.
ACCELERATION (ACCEL)
1. Set the speed adjust potentiometer or reference
signal to zero and wait for the motor to come to a
stop (or minimum speed).
2. Set the speed adjust potentiometer or reference
signal to maximum speed (full CW) and note the
time the motor takes to accelerate to maximum
speed.
3. If the acceleration time differs from the desired time,
adjust the ACCEL trimpot until the desired time is
reached. Rotating the ACCEL trimpot CW
increases the acceleration time.
DECELERATION (DECEL)
1. Set the speed adjust potentiometer or reference
signal to maximum (full CW) and wait for the motor
to reach maximum speed.
36
2. Set the speed adjust potentiometer or reference
signal to minimum speed (full CCW) and note the
time the motor takes to decelerate to minimum
speed.
3. If the deceleration time differs from the desired time,
adjust the DECEL trimpot until the desired time is
reached. Rotating the DECEL pot CW increases
the deceleration time.
BOOST
The BOOST trimpot is used to increase motor torque at low
speeds. The minimum setting is sufficient for most
applications and does not need to be adjusted. If the motor
stalls or runs erratically at very low speeds (below 10 Hz),
the boost trimpot may need adjustment.
1. Run the motor at the lowest continuous frequency/speed
required.
2. Monitor the motor phase current (with a true RMS
meter) while very slowly turning the BOOST trimpot CW
until the motor operates properly, or 100% of the motor
nameplate current is reached.
NOTE: Use the absolute minimum amount of BOOST
necessary to achieve proper motor operation. Improper
use of the BOOST feature may cause motor and/or
drive overheating and failure.
37
SLIP COMPENSATION (SLIP COMP)
Slip compensation is used to minimize the normal speed
changes occurring in an induction motor from no load to full load
conditions.
1. Using the speed adjust potentiometer or reference
signal, run the motor at the desired RPM under a no
load condition. Measure the RPM with a tachometer.
2. Without changing the speed adjust potentiometer or
reference signal, apply a full load to the motor, and bring
the motor speed back up using the SLIP COMP pot to
the originally measured RPM.
3. These procedures, (1&2), may need to be repeated
several times to reach the desired accuracy required.**
**Wide speed range accuracy of the slip compensation
method depends heavily on motor slip vs. frequency
characteristics.
Calibration Procedure Conclusion
1. Set the speed adjust potentiometer or reference signal
to zero (full CCW).
2. Disable the drive by opening the ENABLE/DISABLE
switch or removing the jumper from TB501 (E2) and
(E1) terminals.
3. Remove power to the motor and drive. Calibration is
now complete.
38
Application Notes
Independent adjustable speeds with DIR switch
Replace the speed adjust potentiometer with two singlepole multi-position switches, and two or more
potentiometers in parallel, with a total parallel resistance of
10K ohms. Figure 17 below shows the connection of two
independent speed adjust potentiometers that can be
mounted at two separate operating stations.
TB501
E2
FORWARD
SPEED
20K OHM
E1
REVERSE
SPEED
S1
20K OHM
S2
S3
FORWARD
D (DIRECTION)
REVERSE
Figure 17. Independent Adjustable Speeds
39
RUN/JOG switch
Use a single-pole, two-position switch for the RUN/JOG
switch, and a single-pole, normally open, momentary
operated pushbutton for the JOG pushbutton. Set JMP506
to either Coast or Brake depending on how the motor
should stop.
Connect the RUN/JOG switch and JOG pushbutton to
terminal board TB501 as shown in Figure 18 below. The
motor stops when the RUN/JOG switch is set to JOG.
Press the JOG pushbutton to jog the motor. Return the
RUN/JOG switch to RUN for normal operation.
NORMALLY OPEN
RUN/JOG
PUSHBUTTON
RUN/JOG
SWITCH
JOG
TB501
E2 (ENABLE)
RUN
E1 (COMMON)
S1
S2
S3
D
Figure 18. RUN/JOG Switch
40
Single speed potentiometer control of
multiple motors
 Warning
The combined current draw of all motors must not
exceed the current rating of the drive.
The 170-543-0004 is capable of operating up to eight 3phase motors simultaneously. All motors must be of the
same type and must control similar loads. Connect each
motor as shown in Figure 19 below.
MOTOR
B
MOTOR
A
U
CW
V
W
S3
S2
S1
10K OHM
SPEED ADJUST
POTENTIOMETER
Figure 19. Single Speed Potentiometer Control of Multiple Motors
41
Quick Reversing
To reverse the direction of motor shaft rotation, install a
DPDT center off switch as shown in Figure 20 below. The
drive will stop the motor before reversing, so there is no
need to wait for the motor to coast to a stop before
changing direction. JMP506 must be set to brake. Refer to
Figure 4 (page 4) for Jumper Locations.
TB501
E2 (ENABLE)
DPDT CENTER
OFF SWITCH
E1 (COMMON)
FWD
STOP
REV
S1
S2
S3
D
Figure 20. 170-543-0004 Quick Reversing
42
Troubleshooting
 Warning
쇵
Dangerous voltages exist on the drive when it is
powered, and up to 60 seconds after power is
removed and the motor stops. When possible,
disconnect the voltage input from the drive while
troubleshooting. BE ALERT. High voltages can cause
serious or fatal injury.
Before troubleshooting
Perform the following steps before starting any procedure in
this section:
• Disconnect AC voltage input from the drive. Wait 60
seconds for power to discharge. The green POWER LED
will blink while power is discharging.
• Check the drive closely for damaged components.
• Check that no wire, chips, or other foreign material has
become lodged on the printed circuit board.
• Verify that every connection is correct and in good
condition.
43
• Verify that there are no short circuits or grounded
connections.
• Check that the drive’s rated phase current and RMS
voltage are consistent with the motor ratings.
For additional assistance, contact your local Bison
distributor, or the factory direct by telephone at:
1-800-AT-BISON
44
Diagnostic LEDs
Bison 170-543-0004 is equipped with diagnostic LED’s to
assist the user in troubleshooting and monitoring equipment
status while in use. Refer to Figure 21 (page 45) for
diagnostic LED locations.
POWER LED
The green POWER LED is on when AC line voltage is
applied and the control’s low-voltage power supply is
operational.
ENABLE LED
The red ENABLE LED turns on whenever the inverter
output is enabled.
FAULT LED
The red FAULT LED blinks on and off when the drive output
is locked out or not ENABLED and any one of the following
fault conditions occur:
1. Overvoltage
• 170-543-0004 230AC controls: DC bus exceeds 400 VDC
2. Undervoltage
• 170-543-0004 230AC controls: DC bus drops below 200 VDC
3. Instantaneous Overcurrent Trip - Inverter output current has
exceeded safe levels (250%).
Note:
The FAULT condition must be reset using the ENABLE function of
the drive (opening and closing the ENABLE input).
45
TORQUE (TQ) LIMIT LED
The yellow TQ LIMIT LED is on when the drive output
current exceeds the threshold set by the TQ LIMIT trimpot.
When the TQ LIMIT LED turns on, shut down the motor and
drive by disabling or removing power. Check the motor to
make sure it is not jammed or overloaded. The TQ LIMIT
trimpot may need to be recalibrated. See the Calibration
section (page 31) for information on calibrating the TQ
LIMIT trimpot.
C501
JMP504
1 2 3
TB501
4mA
ZERO
SET
JMP505
IL501
C502
IL504
ENABLE
IL501
POWER
IL502
FAULT
IL503
TORQUE
LIMIT
JMP501
Figure 21. LED locations
46
Problem
Internal line fuse blows
Internal line fuse does
not blow, but the motor
does not run
Possible
Cause
Suggested
Solution
1. Line fuses are the
wrong size.
1. Check that line
fuses are properly
sized for the motor
being used.
2. Motor or motor cable
is shorted to ground.
2. Check motor cable
and motor for
shorts.
3. Nuisance tripping
caused by a
combination of
ambient conditions
and high-current
spikes (i.e. reversing).
3. Add a blower to
cool the drive
components;
increase TQ LIMIT
settings (page 34).
1. Speed adjust
potentiometer or
voltage input signal is
set to zero speed.
1. Increase the speed
adjust
potentiometer
setting or voltage
input signal.
2. Speed adjust
potentiometer or
voltage input signal is
not properly
connected to drive
input; connections are
open.
2. Check connections
to input. Verify that
connections are not
open.
47
Problem
Internal line fuse does
not blow, but the motor
does not run (cont.)
Motor runs too slow or
too fast at set speed
Possible
Cause
Suggested
Solution
3. Drive is “tripped” off
or has gone into
thermal overload.
3. Disable, then reenable the drive.
4. Drive has been
disabled.
4. Ensure that
ENABLE (EN) and
COM terminals are
properly connected.
5. Drive is in current
limit.
5. Verify that motor is
not jammed.
Increase TQ LIM
setting if it is set
too low (page 34).
6. Drive is not receiving
AC voltage input.
6. Apply AC line
voltage to L1 and
L2.
7. Motor is not
connected.
7. Connect motor to
drive outputs U, V
and W.
1. MAX SPD trimpot is
not calibrated
correctly.
1. Calibrate MAX SPD
trimpot (page 33).
48
Problem
Motor will not reach the
desired speed
Possible
Cause
Suggested
Solution
1. MAX SPD setting is
too low.
1. Increase MAX SPD
setting (page 33).
2. Nominal input voltage
may be too low for
motor
2. Compare motor
voltage to input
voltage; replace
motor if necessary
3. Motor is overloaded.
3. Check motor load.
Resize the motor or
drive if necessary.
Motor pulsates or surges
under load
1. Motor “bouncing” in
and out of torque limit.
1. Make sure motor is
not undersized for
load; adjust TQ LIM
setting CW (page
34).
Motor does not reverse
1. Defective DIRECTION
switch connection.
1. Check DIRECTION
switch connection.
2. Reversing circuit not
working properly.
2. Check reversing
circuit by shorting
TB501 (D) terminal
to (E1) terminal with
jumper wire.
3. Motor not wired
correctly for reverse
3. Check motor wiring
Review motor
connections section
49
Problem
TQ is unsatisfactory at
high speeds.
Possible
Cause
Suggested
Solution
1. TQ LIMIT set too low.
1. Check TQ LIM
setting (page 34).
2. Load may exceed
rating of motor/drive.
2. “Fix” load (i.e.,
straighten
mounting,
coupling, etc.); or
replace motor and
drive with motor
and drive rated for
higher horsepower.
3. Nominal input voltage
may be too low for
motor.
3. Compare motor
voltage to input
voltage. Replace
motor if necessary.
50
NOTES
51
NOTES
Bison Warranty Policy
The Company warrants to the Buyer the products sold hereunder to be
free of defects in material and workmanship under normal use and
service for a period of one (1) year from the date of shipment. The
obligation of the Company under this warranty is limited to repair or
replacing at its option, any part or parts, which upon examination shall
disclose to the reasonable satisfaction of the Company to have been
defective in material or workmanship. Buyer must return the products
to the Company’s factory, shipping charges prepaid, and with complete
information as to alleged defects and the installation, operation and
service of the products. Except as otherwise expressly stated herein
the Company makes no representation of warranty of any kind, express
or implied, as to merchantability, fitness for a particular purpose, or any
other matter with respect to the products sold hereunder.
Bison Gear & Engineering Corp.
3850 Ohio Ave. -- St. Charles, IL 60174
Phone: 1-800-AT-BISON
www.bisongear.com
Document Number: 250-0421; Revision 0 -- May 2006
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