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Summary of Contents for Baldor NEMA-4X
- Page 1 SCR DC MOTOR CONTROL Installation and Operation Manual NEMA-4X –IP65 For Catalog Numbers BC154, and BCWD140 MN705...
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Page 2: Table Of Contents
Setting Selectable Jumpers ....................23 Start-Up and Adjustments ....................29 Drive Operation ........................33 Diagnostic LED’s........................34 Troubleshooting ........................34 Appendix A - Modification for Subfractional Horsepower Motors........36 Baldor District Offices......................39 Limited Warranty ....................Back Cover Tables Page Standard Features .......................5 Selectable Jumpers......................5 Trimpot Adjustments ......................6 Optional Accessories ......................7... - Page 3 TABLE OF CONTENTS (Continued) Figures Page J1 Control Mode.........................23 Motor Speed vs. Potentiometer Rotation (Speed Mode) ...........24 Preset Motor Speed vs. Motor Load (Speed Mode) ............24 Motor Output Torque vs. Potentiometer Rotation (Torque Mode) ........25 Motor Speed vs. Applied Motor Load (Torque Mode)............25 Setting AC Line Voltage with Jumper J2A and J2B ............26 Setting Armature Voltage with Jumper J3................26 J5 Jumper Position ......................27...
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Page 4: Introduction
INTRODUCTION Thank you for purchasing the BC154 / BCWD140 Series NEMA-4X (IP-65). The Baldor SCR DC Motor, The BC154 / BCWD140 Series NEMA-4X (IP-65) SCR DC Motor Speed and Torque Control is designed for applications requiring washdown watertight integrity. Its housing is ruggedly constructed of die cast aluminum which is protected with an acrylic coating for the ultimate in corrosion resistance. -
Page 5: Standard Features
TABLE 1 - STANDARD FEATURES Feature Description Does not require programming. Uses trimpots and Simple to Operate jumpers which are factory set for most applications. Jumper selectable for 115 or 230 Volts input for 90 or AC Line Voltage -115/230 Volts operation 180 VDC output. -
Page 6: Trimpot Adjustments
TABLE 3 - TRIMPOT ADJUSTMENTS (See Section 7.2, on page 30) Trimpot Description Minimum Speed (MIN), Refer to Section Sets the minimum speed of the motor. Range of 7.2.1, page 30. adjustment 0 to 30% of base Speed. Maximum Speed (MAX), Refer to Section Sets the maximum speed of the motor. -
Page 7: Optional Accessories
TABLE 4 - OPTIONAL ACCESSORIES Description Catalog No. Signal Isolator Board: Provides analog input isolation from non isolated sources. Input signals can be 0-25Vdc 0r 0-250Vdc, or 1 – 5 mA, or 10 – 50 mA, (jumper selectable). Also contains an isolated enable input. BC145 Note: Forward-Brake-Reverse Switch (P/N BC156) cannot be installed with Signal Isolator. -
Page 8: General Performance Specifications
TABLE 6 - GENERAL PERFORMANCE SPECIFICATIONS Factory Description Specification Setting AC Line Input (VAC ± 10%) 115 / 230 AC Line frequency (Hz) 50 / 60 — Armature Voltage Range at 115 VAC Line (VDC) 0 – 130* — Armature Voltage Range at 230 VAC Line (VDC) 0 –... -
Page 9: Cover Layout
FIGURE 1 – COVER LAYOUT... -
Page 10: Mechanical Specifications
FIGURE 2 – MECHANICAL SPECIFICATIONS 5.000 (127.00) 4.055 (103.00) 9.488 (241.00) 2.736 (69.50) 5.472 (139.00) 5.866 (149.50) 8.228 (209.00) 8.875 (225.50) 9.488 (241.00) -
Page 11: Safety Notice
SAFETY NOTICE WARNING - STATEMENT INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN INJURY OR DEATH. CAUTION - Statement indicates a potentially hazardous situation which, If not avoided, could result in damage to property. Note - Additional information that is not critical to the installation or operation. WARNING! –... - Page 12 WARNING! HIGH VOLTAGE IS PRESENT IN THIS DRIVE. DISCONNECT MAIN POWER BEFORE MAKING CONNECTIONS TO THE DRIVE. TO REDUCE ELECTRICAL SHOCK HAZARD, THE COVER MUST BE INSTALLED AND SECURELY FASTENED, AFTER ALL SETUP CONNECTIONS, AND ADJUSTMENTS ARE COMPLETE. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN ELECTRICAL SHOCK OR ELECTROCUTION.
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Page 13: Quick-Start Instructions
2 QUICK-START INSTRUCTIONS Important: You must read these simplified instructions before proceeding. These instructions are to be used as a reference only and are not intended to replace the details provided herein. You must read the Safety Notice on, page 11, before proceeding. 2.1 Connections (See Figure 3, on page 14). -
Page 14: Control Layout
FIGURE 3 – CONTROL LAYOUT... -
Page 15: Mounting Instructions
MOUNTING INSTRUCTIONS WARNING! DO NOT USE THIS DRIVE IN AN EXPLOSIVE ENVIRONMENT. AN EXPLOSION CAN CAUSE SERIOUS OR FATAL INJURY. THIS DRIVE IS NOT EXPLOSION PROOF. Mount the control in a vertical position on a flat surface. Be sure to leave enough room below the bottom of the control to allow for the AC line and motor connections. -
Page 16: Electrical Connections
ELECTRICAL CONNECTIONS WARNING! – READ SAFETY NOTICE ON PAGE 11 BEFORE ATTEMPTING TO USE THIS CONTROL. WIRE CONTROL IN ACCORDANCE WITH THE NATIONAL ELECTRIC CODE REQUIREMENTS AND OTHER CODES THAT APPLY. BE SURE TO FUSE EACH CONDUCTOR WHICH IS NOT AT GROUND POTENTIAL. DO NOT FUSE NEUTRAL OR GROUNDED CONDUCTORS. -
Page 17: Armature Fuse Chart
TABLE 7 - ARMATURE FUSE CHART Motor Horsepower Approx. DC Motor Fuse Rating Current Amps (AC Amps) 90 VDC 180 VDC ½ ½ 10.0 Note: Armature fuse is not supplied and must be installed for control to operate. AC Line – Connect AC Line to terminals L1 and L2. (Be sure that Jumpers J2A and J2B are set to the correct position to match the AC line voltage. -
Page 18: Field Connections
4.5 Field [For Shunt Wound Motors Only] Do not use terminals F1 and F2 for any other purpose than to power the field on a shunt wound motor. Connect motor shunt field to terminals F1 and F2 for 180 VDC motors with 200 VDC fields. -
Page 19: Tachometer Connection Diagram
Note: If motor operates in the wrong FIGURE 7 - TACHOMETER CONNECTION rotation, reverse the connection of DIAGRAM armature leads, A1 and A2. WARNING! AVOID ERRATIC OPERATION BUNDLE AC LINE AND MOTOR WIRES WITH POTENTIOMETER, VOLTAGE FOLLOWING, ENABLE, INHIBIT OR OTHER SIGNAL WIRING. -
Page 20: Remote Start/Stop Switch Connection
Notes: 1. If the available analog speed reference signal voltage is not isolated, an optional Signal Isolator Board, model BC145, may be installed. Reference: paragraph 4.8, page 21 for Signal Isolator Connection information. 2. When using an external analog signal, the main speed potentiometer must be disconnected from terminals P1, P2, and P3. -
Page 21: Inhibit Circuit Wiring
WARNING DO NOT USE START/STOP, INHIBIT OR ENABLE FUNCTIONS AS A SAFETY DISCONNECT. USE ONLY AN AC LINE DISCONNECT FOR THAT PURPOSE. 4.7.4 Inhibit – The control can be electronically FIGURE 10A – INHIBIT CIRCUIT stopped and started with the Inhibit circuit. To WIRING SWITCH OR RELAY "Stop"... -
Page 22: Drive Operating Condition And Run/Fault Relay Contact Status
4.9 RUN/FAULT RELAY CONNECTION: FIGURE 11 - RUN/FAULT RELAY The Run/Fault Relay, K1, Output CONNECTIONS Contacts are located at TB4 and can be used to turn on or off equipment. See Figure 11. The Run/Fault Relay Contact status for various drive operating conditions is shown in Table 10. -
Page 23: Important Application Information
IMPORTANT APPLICATION INFORMATION WARNING! DO NOT USE THIS DRIVE IN AN EXPLOSIVE ENVIRONMENT. AN EXPLOSION CAN CAUSE SERIOUS OR FATAL INJURY. THIS DRIVE IS NOT EXPLOSION PROOF. 5.1 Motor Type – The BC-154 / BCWD140 is designed for Permanent Magnet (PM), Shunt Wound and Universal (AC/DC) motors. -
Page 24: Motor Speed Vs. Potentiometer Rotation (Speed Mode)
FIGURE 13 - MOTOR SPEED vs. POTENTIOMETER ROTATION (SPEED MODE) 0 10 20 30 40 50 60 70 80 90 100 POTENTIOMETER ROTATION (%) FIGURE 14 - PRESET MOTOR SPEED vs. MOTOR LOAD (SPEED MODE) HIGHER SET SPEED LOWER SET SPEED 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 APPLIED TORQUE% CL SETPOINT... -
Page 25: Motor Output Torque Vs. Potentiometer Rotation (Torque Mode)
FIGURE 15 - MOTOR OUTPUT TORQUE vs. POTENTIOMETER ROTATION (TORQUE MODE) 0 10 20 30 40 50 60 70 80 90 100 POTENTIOMETER ROTATION (%) FIGURE 16 - MOTOR SPEED vs. APPLIED MOTOR LOAD (TORQUE MODE) HIGHER TORQUE SETTING LOWER TORQUE SETTING Note: S1 and S2 = Speed Setting. -
Page 26: Setting Ac Line Voltage With Jumper J2A And J2B
When Jumper J1 is placed in the "TRQ" position, the drive will control motor torque as a linear function of main potentiometer setting. If the motor load exceeds the torque setting, the motor will stall, the Overload LED will light, and the drive will apply a constant preset torque based on the potentiometer setting. -
Page 27: Relationship Of Ac Line Input And Motor Voltage With Jumper J2 And J3 Position
TABLE 11 - RELATIONSHIP OF AC LINE INPUT AND MOTOR VOLTAGE with JUMPER J2 and J3 POSITION AC INPUT J2A, J2B POSITION J3 POSITION** MOTOR VOLTAGE VOLTAGE * A 90 VDC motor can be used with a 230 VAC line. However, speed range may be reduced and motor derating may be required. -
Page 28: Current Limit Settings With 0.5 Ohm Plug-In Horsepower Resistor Installed
A. Timed current limit "TCL": In this mode the drive will turn off after being in current limit for a preset time. The time period is adjustable with the TCL trimpot from 0.5-15 seconds and is factory set for approximately seven (7) seconds. TCL provides electronic motor overload protection. -
Page 29: Start-Up And Adjustments
6.7 J7 – Signal Input Voltage – The output of this FIGURE 21 - J7 JUMPER control is normally controlled with the main speed POSITION adjust potentiometer. However, an isolated analog voltage may also be used in place of a potentiometer. The control can be scaled for either a 0-5VDC or 0- 10VDC by placing J7 in the appropriate position "5V"... -
Page 30: Minimum Speed Trimpot Range
WARNING! DO NOT ADJUST TRIMPOTS WITH MAIN POWER ON IF POSSIBLE. IF ADJUSTMENTS ARE MADE WITH POWER ON, INSULATED ADJUSTMENT TOOLS MUST BE USED AND SAFETY GLASSES MUST BE WORN. HIGH VOLTAGE EXISTS IN THIS CONTROL. ELECTROCUTION AND/OR FIRE CAN RESULT IF CAUTION IS NOT EXERCISED. -
Page 31: Deceleration Trimpot Range
Note: Rapid ACCEL setting may cause the current limit circuit to activate which will extend the acceleration time. For a longer acceleration time, rotate ACCEL trimpot clockwise. 50% rotation represents approximately seven (7) seconds and full rotation is approximately fifteen (15) seconds. 7.2.4 Deceleration (DECEL) - The DECEL FIGURE 25 - DECELERATION trimpot sets the amount of time it takes... -
Page 32: Ir Compensation Trimpot Range
7.2.6 IR Compensation (IR) - The IR comp FIGURE 27 - IR COMPENSATION circuit is used to stabilize motor speed TRIMPOT RANGE under varying loads. (See Figure 27). Note: If control is in Tach Feedback mode, 4, 8 VDC the IR trimpot should be set to minimum ccw. -
Page 33: Drive Operation
DIAGNOSTIC LED’s WARNING! DO NOT DEPEND ON PANEL MOUNTED LED’S, AS A GUARANTEED POWER OFF CONDITION. BE SURE THE MAIN POWER SWITCH OR CIRCUIT BREAKER IS IN THE “OFF” POSITION BEFORE SERVICING THE DRIVE. The front cover contains three function LED Indicator Lamps that show its operational status. -
Page 34: Troubleshooting
TROUBLESHOOTING WARNING! HIGH VOLTAGE IS PRESENT IN THIS DRIVE. DISCONNECT MAIN POWER BEFORE MAKING CONNECTIONS TO THE DRIVE. THE COVER MUST BE PROPERLY SECURED, AFTER ALL SETUP CONNECTIONS, AND ADJUSTMENTS ARE COMPLETE. IT REDUCES ELECTRICAL SHOCK HAZARD. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN ELECTRICAL SHOCK OR ELECTROCUTION. - Page 35 TROUBLESHOOTING TABLE (Continued) Motor is overloaded. Check motor amps with DC ammeter in series with armature. (If motor is shunt type, field may be open or not receiving proper voltage.) Check motor for shorts or grounds. Motor OL LED indicator is illuminated. may be defective.
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Page 36: Appendix A - Modification For Subfractional Horsepower Motors
Modification for Subfractional Horsepower Motors Note: Before making this modification you must have a .05 ohm Plug-in Horsepower Resistor® (Baldor P/N WD3007A07). Carefully clip out the large power resistor R69 on the printed circuit board. The resistor location is indicated in Figure 3, on page 15. Insert the .05 ohm Plug-in Horsepower Resistor® into the two (2) pins located under the resistor, R69. - Page 37 Notes...
- Page 38 Notes...
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Page 39: Baldor District Offices
BALDOR DISTRICT OFFICES UNITED STATES MICHIGAN TEXAS CHINA ARIZONA DETROIT HOUSTON SHANGHAI JIAHUA BUSINESS CENTER PHOENIX 33782 STERLING PONDS BLVD. 4647 PINE TIMBERS ROOM NO. A-8421 4211 S 43RD PLACE STERLING HEIGHTS, MI 48312 SUITE # 135 808 HONG QIAO ROAD... -
Page 40: Limited Warranty
LIMITED WARRANTY For a period of 2 years from the date of original purchase, Baldor will repair or replace without charge, controls which our examination proves to be defective in material or workmanship. This warranty is valid if the unit has not been tampered with by unauthorized persons, misused, abused, or improperly installed and has been used in accordance with the instructions and/or ratings supplied.
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