Baldor BC140 Installation And Operation Manual Download Page 47 | Manualshive

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12. OPTIONAL FORWARD-BRAKE-REVERSE SWITCH (CATALOG NO. BC144)

*

WARNING! READ SAFETY NOTICES BEFORE USING THIS CONTROL. DISCONNECT THE

MAIN POWER BEFORE MAKING CONNECTIONS TO THE CONTROL.

The optional Forward-Brake-Reverse Switch (Catalog No. BC144)* is used to dynamically brake the motor
and reverse motor direction. The switch assembly is to be installed in the mounting hole provided on the
control.

See the installation instructions MN1372, provided with the Forward-Brake-Reverse Switch kit for detailed
information on mounting and connections.

Figure 12-1 shows the connections of the Forward-Brake-Reverse Switch to the speed control and the
Barrier Terminal Block.

*

BC144 is factory installed on BC140-FBR model.

Figure 12-1 Optional Forward-Brake-Reverse Switch Connections

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Summary of Contents for BC140

Page 1: ...BC140 BC140 FBR DC CONTROL Installation and Operation Manual 11 11 MN703 SCR DC MOTOR CONTROL...

Page 2: ...nly 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 Ins...

Page 3: ...he 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 m...

Page 4: ...tial hazard Proper shielding grounding and filtering of this product can reduce the emission of radio frequency interference RFI which may adversely affect sensitive electronic equipment If informatio...

Page 5: ...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...

Page 6: ...E 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 CAREFULL...

Page 7: ...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 SERVICI...

Page 8: ...it 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...

Page 9: ...urrent 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 da...

Page 10: ...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 versat...

Page 11: ...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...

Page 12: ...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 BC...

Page 13: ...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 BC14...

Page 14: ...eleration 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 MA...

Page 15: ...eration DECEL Trimpot Range Seconds 0 2 10 2 Maximum Speed MAX Trimpot Range Base Speed 50 1102 100 Minimum Speed MIN Trimpot Range Base Speed 0 302 0 CL Torque Range Full Load 0 200 150 IR Compensati...

Page 16: ...ng Allow 0 3 0 20 50 40 ON 9 0 OFF 1 0 0 7 0 80 60 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 R...

Page 17: ...05 127 4 125 4 00 102 Back View is Shown Dimensioned without Cover Installed Side View is Shown Dimensioned with Cover Installed and Optional Forward Brake Reverse Switch Two 2 Knockouts for Standard...

Page 18: ...must read the Safety Warnings and Cautions before proceeding Note A Plug In Horsepower Resistor an AC Line Fuse and an Armature Fuse supplied separately must be installed in order for this control to...

Page 19: ...and Armature Fuse selection These items must be installed for the control to operate Figure 2 2 AC Line Armature Field and Ground Connections LINE FIELD ARMATURE A A F F L1 L2 GND Barrier Terminal Blo...

Page 20: ...Plug In Horsepower Resistor as shown in Figure 2 3 See note below Note The Armature Fuse is supplied with the Plug In Horsepower Resistor Kit See Table 4 3 for Catalog No and ratings 2 6 Permanent Mag...

Page 21: ...tion 7 2 10 Diagnostic LEDs and Pilot Light After power has been applied to the control observe the front panel indicator and the board mounted LEDs to verify proper control operation as described in...

Page 22: ...22 Figure 2 3 Control Layout and Internal Connection Diagram A A F F L1 L2 GND F ARMATURE FIELD LINE...

Page 23: ...azardous locations where physical damage can occur The control should be located in an area where it will not be exposed to contaminants such as water metal chips solvents or excessive vibration Witho...

Page 24: ...ECTIONS OVER 12 30CM THE SHIELD SHOULD BE EARTH GROUNDED ON CONTROL SIDE ONLY WIRE THE CONTROL IN ACCORDANCE WITH NATIONAL ELECTRICAL CODE REQUIREMENTS AND OTHER LOCAL CODES THAT APPLY WARNING DO NOT...

Page 25: ...ates on 115 or 208 230 Volt AC line input and is factory set for 208 230 Volt AC line input Voltage Select Switch is factory set to the 230 position See Section 6 4 2 Ground Connection Connect all gro...

Page 26: ...90VDC 180VDC Armature Line 1 100 1 50 0 2 0 5 12 1 50 1 25 0 3 0 5 12 1 30 1 15 0 33 0 5 12 1 20 1 10 0 5 0 75 12 1 15 1 8 0 8 1 12 1 12 1 6 0 85 1 25 12 1 8 1 4 1 3 2 12 1 6 1 3 2 2 5 12 1 4 1 2 2 5...

Page 27: ...multiplying the maximum DC Motor Current times 1 7 4 6 Plug In Horsepower Resistor A Plug In Horsepower Resistor supplied separately must be installed to match the control to the motor horsepower and...

Page 28: ...stor Value Ohms Armature Fuse Rating Amps Catalog No 1 100 1 50 0 2 1 0 0 5 BR1000 1 50 1 25 0 3 0 51 0 5 BR0510 1 30 1 15 0 33 0 35 0 5 BR0350 1 20 1 10 0 5 0 25 0 75 BR0250 1 15 1 8 0 8 0 25 1 BR025...

Page 29: ...hunt wound motors may be damaged if the field remains energized without armature rotation for an extended period of time 4 8 1 Full Voltage Field Connect the field positive lead to Terminal F and the...

Page 30: ...motors Use of higher voltage motors will result in a reduction of the available maximum speed Also if motor is not an SCR rated type the actual AC line amperage of the control at full load should not...

Page 31: ...RE WILL RESULT IF ARMATURE SWITCHING IS REQUIRED USE BC144 FORWARD BRAKE REVERSE SWITCH KIT CAUTION Contact your local Baldor District Office before using this control on constant horsepower applicati...

Page 32: ...et before applying power to the control See Figure 6 1 6 1 For 208 230 Volt AC Line Input Set the Voltage Select Switch to the 230 position factory setting The switch toggle should be in the lower pos...

Page 33: ...AND SAFETY GLASSES MUST BE WORN HIGH VOLTAGE EXISTS IN THIS CONTROL ELECTROCUTION CAN RESULT IF CAUTION IS NOT EXERCISED SAFETY NOTICES AND MUST BE READ AND UNDERSTOOD BEFORE PROCEEDING 7 1 Accelerat...

Page 34: ...l load it will extend the deceleration time of the motor Figure 7 2 Decel Trimpot Range 7 3 Minimum Speed Trimpot MIN The MIN Trimpot sets the minimum speed of the motor when the Main Speed Potentiome...

Page 35: ...speed rotate the MAX Trimpot counterclockwise The MAX Trimpot range is 50 110 of base motor speed See Figure 7 4 Note Do not adjust the maximum speed above the rated motor RPM or unstable operation ma...

Page 36: ...ot counterclockwise On cyclical loads it may be normal for the CL LED to momentarily flash Visible only if the cover is removed The CL Trimpot range is 0 200 of the full load current rating of the mot...

Page 37: ...otor shaft in accordance with application requirements Apply power and rotate the CL Trimpot clockwise until the desired current reading is observed on the DC ammeter Factory Current Limit setting is...

Page 38: ...lt DC Output To increase the amount of compensating voltage rotate the IR Trimpot clockwise To decrease the amount of compensating voltage rotate the IR Trimpot counterclockwise See Figure 7 6 Note In...

Page 39: ...RPMs 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 4 Remove the load and recheck the RPMs If the unlo...

Page 40: ...ion factory setting for 208 230 Volt AC line input See Figure 1 1 8 3 Install the correct Armature Fuse as shown in Table 4 2 and the correct Plug In Horsepower Resistor as shown in Table 4 3 8 4 Rech...

Page 41: ...On PWR ON LED and Pilot Light When the AC power is applied to the control and the On Off AC Line Switch is set ON the PWR ON LED on the PC board will illuminate green and the Pilot Light on the front...

Page 42: ...SCONNECT MAIN POWER BEFORE MAKING CONNECTIONS TO THE CONTROL THE COVER MUST BE PROPERLY SECURED AFTER ALL SETUP CONNECTIONS AND ADJUSTMENTS ARE COMPLETE THIS REDUCES ELECTRICAL SHOCK HAZARD FAILURE TO...

Page 43: ...ee Table 4 2 Defective On Off AC Line Switch Replace On Off AC Line Switch Motor does not run and Pilot Light is illuminated Main Speed Potentiometer set fully counterclockwise Rotate Main Speed poten...

Page 44: ...heck line voltage and the correct setting of the Voltage Select Switch as described in Section 6 Defective motor worn brushes etc Repair or replace motor Motor continues to run with Main Speed Potenti...

Page 45: ...tom Possible Cause Suggested Corrective Action Motor will not run in Forward or Reverse direction Faulty wiring or loose connections to the reversing switch Correct the connections See Figure 12 1 For...

Page 46: ...og No BC143 is used to increase the rating of the control See Table 1 3 The control is mounted on the four 4 holes with four 4 mounting screws supplied as shown in Figure 11 1 Figure 11 1 Optional Aux...

Page 47: ...reverse motor direction The switch assembly is to be installed in the mounting hole provided on the control See the installation instructions MN1372 provided with the Forward Brake Reverse Switch kit...

Page 48: ...__________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _...

Page 49: ...moval inconvenience or consequential damage including injury to person caused by items of our manufacture or sale Some states do not allow the exclusion or limitation of incidental or consequential da...

Page 50: ...R 72830 PHONE 479 754 9108 FAX 479 754 9205 CALIFORNIA LOS ANGELES 6480 FLOTILLA STREET COMMERCE CA 90040 PHONE 323 724 6771 FAX 323 721 5859 HAYWARD 21056 FORBES AVENUE HAYWARD CA 94545 PHONE 510 785...

Page 51: ...Floor Siddharth Towers CTS no 421 1 Survey no 12 Kothrud Pune 411 038 Maharashtra India PHONE 91 20 25 45 27 17 FAX 91 20 25 45 27 19 INDonesia Talavera Office Park 28th Floor Suite M18 JI T B Simatup...

Page 52: ...inted in USA A40244B Rev D 11 11 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 Baldor Dodge 6040 Ponders Court Greenville SC 29615 4...

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