Page 2 - Table of Contents; Table of Contents i
Table of Contents Table of Contents i Section 1 General Information 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Limited Warranty 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - ii Table of Contents
Page 4 - General Information 1-1; Introduction; STANDARD FEATURES
Section 1 General Information General Information 1-1 Introduction Baldor Series BSC 7107 control is a general purpose brushless DC motor control. This control commutates power into standard 3-phase brushless (BLDC) motors.The control input line voltage is 120 VAC ± 10%. This control provides up to ...
Page 5 - -2 General Information; Limited Warranty
1-2 General Information Limited Warranty For a period of one (1) year from the date of original purchase,BALDOR will repair or replace without charge controls andaccessories which our examination proves to be defective inmaterial or workmanship. This warranty is valid if the unithas not been tampere...
Page 6 - General Information 1-3; Safety Notice; parts or parts that are driven by this equipment. Improper use can; PRECAUTIONS
General Information 1-3 Safety Notice This equipment contains voltages that may be as great as 1000 volts! Electrical shock can cause serious or fatal injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment.This equipment may be connected to other machin...
Page 7 - -4 General Information
1-4 General Information WARNING: Be sure the system is properly grounded before applying power. Do not apply AC power before you ensure that all grounding instructions have been followed. Electrical shock can cause serious or fatal injury. WARNING: Do not remove cover for at least five (5) minutes a...
Page 8 - Receiving; Control Installation
Section 2 Receiving & Installation Receiving & Installation 2-1 Receiving The control is thoroughly tested at the factory and carefully packaged for shipment. When you receive your control, there are several things you should do immediately.1. Observe the condition of the shipping container ...
Page 9 - Figure 2-1 Mounting Diagram; Top View; AC Power Connection
2-2 Receiving & Installation Figure 2-1 Mounting Diagram 6.70 9.00 7.50 6.30 0.20 7 / 32 dia. (4 places) 2.90 Top View End View AC Power Connection Refer to Figure 2-2. A fused 120 VAC power source is required. A 12 AMP fuse should be used.1. Be sure the AC source is disconnected (OFF). 2. Be su...
Page 10 - Figure 2-2 Control Connection Locations; Upper
Receiving & Installation 2-3 Figure 2-2 Control Connection Locations P4 Upper Board P1 GND (Connect to plant “Earth” ground). AC Line BLDC Motor Connection s. Scaled motor current test point. 110mV = 1A Motor Current. 60 ° / 120 ° Jumper 120 ° 60 ° Lower Board Terminal tightening torque = 4 Lb-i...
Page 11 - Sensor and Motor Connections
2-4 Receiving & Installation Sensor and Motor Connections Refer to Figure 2-2. Brushless DC motors have eleven (11) wires: three (3) motor phase power wires, three (3) hall sensor wires, two (2) wires for hall sensor power and sensor common, one (1) wire for motor ground and two (2) wires for mo...
Page 12 - Reverse Operation; Before reversing directions, make sure the motor is
Receiving & Installation 2-5 Reverse Operation Terminal P4–REV is the forward/reverse control. You can reverse motor direction by connecting P4–REV to P4–COM. Use a jumper wire, switch, relay, or an open collector NPN transistor. Caution: Before reversing directions, make sure the motor is stopp...
Page 13 - st Time Power Up Procedure; If full AC Voltage is applied and the motor
2-6 Receiving & Installation 1st Time Power Up Procedure (or after a motor is replaced) Caution: If full AC Voltage is applied and the motor connections are wrong, the control will be damaged. Apply 10% of the input voltage to test motor lead connections at the first time power up or after a mot...
Page 14 - Current Limit Adjustment; MotorCurrent; Keep the average continuous DC current draw
Section 3 Adjustments Adjustments 3-1 Current Limit Adjustment The current limit adjustment is factory set at 10 AMPS and you should not have to increase this setting for the Series BSC 7107 control. Rotating the I Limit potentiometer on the upper board CCW decreases the current limit.To calculate m...
Page 16 - Specifications
Section 4 Specifications and Data Specifications 4-1 Specifications Input Voltage 120 VAC ± 10% . . . . . . . . . . . . . . . . . . . . . Output Voltage (Filtered Output) 0 to 140 VDC . . . . . Load Current (Continuous) 7 Amperes . . . . . . . . . . . . . Overload Current 150% for 30 seconds . . . ....
Page 17 - Hall Signal Timing Diagram
4-2 Specifications Hall Signal Timing Diagram S1 (White) S2 (Yellow) S3 (Orange) 0 0 0 15 30 60 30 60 120 45 60 90 60 120 240 75 150 300 90 180 360 105 210 420 120 240 480 135 270 540 150 300 600 165 330 660 180 360 720 Ć 8 Pole Mechanical Degrees Ć 4 Pole Mechanical Degrees Ć Electrical Degrees Hal...
Page 18 - BALDOR ELECTRIC COMPANY; Baldor Electric Company
BALDOR ELECTRIC COMPANY P.O. Box 2400 Fort Smith, AR 72902–2400 (479) 646–4711 Fax (479) 648–5792 © Baldor Electric Company Printed in USA MN1231 9/97 PS50
