Baldor BC141 Installation & Operating Manual Download | Manualshive

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Installation & Operating Manual

MN704

BC141, BC142, BC142-5 & BC142-6

DC Control

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Summary of Contents for BC141

Page 1: ...5 17 Installation Operating Manual MN704 BC141 BC142 BC142 5 BC142 6 DC Control...

Page 2: ...Any trademarks used in this manual are the property of their respective owners Important Be sure to check www baldor com to download the latest version of this manual in Adobe Acrobat PDF format...

Page 3: ...Connection Shunt Wound Motors Only 2 3 Full Voltage Field 2 3 Plug In Horsepower Resistor Armature Fuse Kit 2 3 Armature Fuse 2 3 Remote Main Speed Potentiometer Connection 2 4 Voltage Following Conn...

Page 4: ...ith a factory installed 25 Amp AC line fuse a 5 k Main Speed Potentiometer and QD terminals All models are UL Listed USA and Canada and CE Approved SAFETY NOTICE A Warning statement indicates a potent...

Page 5: ...electric Withstand test on the motor Failure to disconnect motor from the control will result in extensive damage to the control The control is tested at the factory for high voltage leakage resistanc...

Page 6: ...3 2 3 100 200 0 90 12 8 75 6 24 16 1 5 1 1 100 Table 1 2 General Performance Specifications Description Specification Factory Setting Speed Range Ratio 50 1 Armature Feedback Load Regulation 0 Full L...

Page 7: ...1 4 MN704...

Page 8: ...ED 10 32 3 PLACES FUSE HOLDER FINGER SAFE COVER MOUNTING HOLES TAPPED 6 32 2 PLACES MOUNTING A 6 SLOTS 3 64 92 5 3 10 78 5 22 5 6 4 30 109 2 15 54 6 25 6 4 18 4 6 64 16 3 1 75 44 5 1 75 44 5 75 19 1 1...

Page 9: ...equipment to which it is or will be connected Electrical shock can cause serious or fatal injury Only qualified personnel should attempt the installation and start up procedures The control can be tu...

Page 10: ...200 F F BC142 6 208 230 0 90 100 F L1 Step down operation PLUG IN HORSEPOWER RESISTOR ARMATURE FUSE KIT The Plug In Horsepower Resistor and Armature Fuse are supplied as a prepackaged kit Choose the a...

Page 11: ...to control motor speed Connect the low side of the potentiometer to Terminal P1 Connect the wiper of the potentiometer to Terminal P2 Connect the high side of the potentiometer to Terminal P3 Figure...

Page 12: ...h or contact is closed the motor will accelerate to the Main Speed Potentiometer setting When the switch or contact is opened the motor will decelerate to Stop An open collector PNP can be used in lie...

Page 13: ...rminal P3 Terminal P2 P3 P1 P2 EN P3 P1 P2 Inhibit Circuit Connection The control can be stopped and started with an Inhibit Circuit close to stop Wire the switch or contact to Terminals I1 and I2 Whe...

Page 14: ...r used with an 1800 RPM motor For a tachometer other than 7 Volts or 50 Volts per 1000 RPM or for a motor other than 1800 RPM an external 1 2 Watt resistor RT must be installed Install RT in series wi...

Page 15: ...motor begins to accelerate according to the setting of the ACCEL Trimpot to the Main Speed Potentiometer setting Startup Adjustments The control has selectable jumpers which must be set before it can...

Page 16: ...are made with the main power applied an insulated adjustment tool must be used to prevent shock hazard and safety glasses must be worn TRIMPOT ADJUSTMENTS The control contains trimpots which have been...

Page 17: ...only an AC ammeter is available wire it in series with either AC line input lead 2 Set the Main Speed Potentiometer to approximately 30 50 clockwise position 3 Set the CL Trimpot fully counterclockwis...

Page 18: ...uses and the suggested corrective action for controls without optional forward brake reverse switch installed Table 2 4 Troubleshooting Guide without Optional Forward Brake Reverse Switch Symptom Poss...

Page 19: ...voltage and the correct setting of the Voltage Select Switch Defective motor worn brushes etc Repair or replace motor Optional Accessories 1 Auxiliary Heat Sink Catalog No BC143 Doubles the horsepowe...

Page 20: ...P O Box 2400 Fort Smith AR 72902 2400 U S A Ph 1 479 646 4711 Fax 1 479 648 5792 International Fax 1 479 648 5895 www baldor com Baldor Electric Company MN704 All Rights Reserved Printed in USA A4024...

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