The control, with Surface Mount SMT construction, offers the user the ultimate in reliability and performance at an affordable price. Connecting AC power to these terminals may damage the control. Caution: Baldor recommends not to use Grounded Leg Delta transformer power leads that may create ground loops. Instead, we recommend using a four wire Wye.
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The control, with Surface Mount SMT construction, offers the user the ultimate in reliability and performance at an affordable price. Connecting AC power to these terminals may damage the control. Caution: Baldor recommends not to use Grounded Leg Delta transformer power leads that may create ground loops. Instead, we recommend using a four wire Wye. Caution: Suitable for use on a circuit capable of delivering not more than 5, RMS symmetrical short circuit amperes listed here at rated voltage.
An explosion can cause serious or fatal injury. This drive is not explosion proof. Leave enough room to allow for AC line, motor connection, and other wiring that is required. For VAC connect neutral to L2. Catalog No. BC operates on Volt AC line input only. If an isolated signal input is not available, or if using a 4 - 20 mA DC signal input, install the optional plug-on Catalog No.
BC Signal Isolator. This will also allow direct connections to process controllers and microprocessors. Page Inhibit Circuit Connection 1. The deceleration time can only be made longer than the normal coasting time of the load. To set Catalog No. BC Catalog Nos. It may be necessary to repeat these adjustments until both the minimum and maximum speeds are set to the desired levels. Page Operation 3. Run the motor with the maximum load and adjust the IR Trimpot so that the motor speed under load equals the unloaded speed recorded in step 2.
Remove the load and recheck the RPMs. If the unloaded RPM has changed, repeat steps 2 - 4 for more exact regulation. The control is now compensated to provide minimal speed change due to changing loads. Motor will not run in Forward or Reverse direction. Printed in USA. This manual is also suitable for:.
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Page 3 Baldor District Offices This product should be installed and serviced by a qualified 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, fires or explosion in the product or products used with this product, such as electric motors, switches, coils, solenoids or relays. Note - Additional information that is not critical to the installation or operation. Failure to disconnect motor from the control may result in extensive damage to the control.
Baldor BC140 Installation And Operation Manual
Baldor Electric, BC140-FBR, 0-90/0-180VDC, 1/2 HP, Nema 1, DC Drive