Baldor Electric Company, P. O. Box 2400, Ft. Smith, AR 72902-2400, (479) 646-4711, Fax (479) 648-5792
&DWDORJ1RV%&DQG%&6XSSOHPHQWDO,QIRUPDWLRQ
Part No. MN704-SUP
(A42130) - Rev. A03 - 5/21/2004 - Z2993A03
Page 1 of 1
IMPORTANT: The following information and instructions are to be used as a supplement to the Installation and Operation
Manual (Part No. MN704). The manual must be read and understood before attempting to operate this control.
• The General Performance Specifications, Electrical Ratings, and Mechanical Specifications of these controls have not changed •
• Jumper J2 (DC Output Voltage / Tach Selection) and Enable Connector (EN) have been added •
• Diagnostic LEDs for Power On and Current Limit • Now with SMT Construction •
! "$#%&'%()*,+.-/01
2
To use the Enable Circuit, remove the jumper that is factory installed on CONN1.
Note: 1. For 50V/1000 tach-generator, connect to Terminals B (+) and I2 (-).
Application Note: When the control is stopped using Inhibit, the motor will coast to stop. When the control is
stopped using Enable, the motor will decelerate to stop. The deceleration time can only be made longer than the
normal coasting time of the load.
3
,4
3
*,+567
Jumper J2 (DC Output Voltage / Tach Selection)
Catalog No.
90 Volts DC
180 Volts DC
T
BC141
(Factory Setting)
(Tach-Generator)
BC142
(Step-Down)
(Factory Setting)
(Tach-Generator)
Notes: 1. The 180V position, on Jumper J2, is not available on Catalog No. BC141. 2. The control
will run at full speed, if Jumper J2 is in the "T" position and the tach-generator is miswired.
