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LT125D (0408)
This datasheet has been downloaded from
CONTROLS
Instruction Manual
Variable Speed Control
TM
P.O. Box 10
5000 W. 106th Street
Zionsville, Indiana 46077
Phone (317) 873-5211
Fax (317) 873-1105
www.dartcontrols.com
http://www.digchip.com
at this
A-5-3262D
page
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Table of Contents
Related Manuals for DART Controls 125D Series
Summary of Contents for DART Controls 125D Series
- Page 1 CONTROLS Instruction Manual Re-Order from Variable Speed Control Omegamation 1-888-55-66342 1-888-55-66342 1-888-55-OMEGA omegamation.com Phone (317) 873-5211 P.O. Box 10 Fax (317) 873-1105 5000 W. 106th Street www.dartcontrols.com Zionsville, Indiana 46077 LT125D (0408) A-5-3262D This datasheet has been downloaded from http://www.digchip.com at this page...
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Page 2: Table Of Contents
WARRANTY Dart Controls, Inc. (DCI) warrants its products to be free from defects in material and workmanship. The exclusive remedy for this warranty is DCI factory replacement of any part or parts of such product which shall within 12 months after delivery to the purchaser be returned to DCI factory with all transportation charges prepaid and which DCI determines to its satisfaction to be defective. -
Page 3: Introduction
AC lines (see page 6). TERMINAL STRIP - Allows for connection of AC lines, motor leads, motor fi eld (if needed), and speed potentiometer 125D SERIES HEATSINK DIMENSIONS STANDARD HEATSINK AUXILIARY HEATSINK -HS(125D) 4.250"... -
Page 4: Mounting Procedure
NOTE: To determine fusing for the 123D-C Series control (24 to 36 VAC input), use 200% of Full Load Current. TERMINAL STRIP WIRING INSTRUCTIONS The 125D Series uses an 8 position terminal strip for ease of connection. P1-1,2 (AC or L) 120 VAC - Connect incoming hot AC or L (black wire) to P1-1 and neutral AC or N (white wire) (AC or N) to P1-2. -
Page 5: 123D/125D Hook-Up Diagram
(continued) P1-5 (+Field) DO NOT use for Permanent Magnet Motor. This supplies +Field voltage for a SHUNT WOUND MOTOR (refer to fi eld voltage table). For motors with dual voltage fi eld (ie. 50/100V or 100/200V), make sure highest value is connected. FIELD VOLTAGE TABLE VAC INPUT VDC FIELD... -
Page 6: Trimpot Adjustment Chart & Procedure
TRIMPOT ADJUSTMENT CHART & PROCEDURE Settings apply when using a 5K ohm master speedpot. This chart is used Settings apply when using a 5K ohm master speedpot. This chart is used in conjunction with the adjustment procedure and is approximate. in conjunction with the adjustment procedure and is approximate. -
Page 7: Control Modifications
CONTROL MODIFICATIONS TWO SPEED OPERATION DYNAMIC BRAKING Two pot operation is done using two 10K A DPDT switch is used to inhibit the control and to connect the ohm speed potentiometers in parallel (both DBR. Typical values for the DBR (dynamic brake resistor) are 5 HI's to P1-6, both LO's to P1-8). -
Page 8: Speedpot Kit Assembly
-2A option board. Full CCW rotation equals minimum accel or decel time and full CW rotation equals maximum accel or decel time. Note: Each trimpot operates independently of the other. 125D SERIES BOARD... -
Page 9: Options
-5 option Field or Factory Installed Isolated 4-20 ma.Signal Follower Available All Models 4 to 20 mA ..-5 CURRENT LINEARITY SOURCE ADJUSTMENT (pre-set & sealed at factory) DO NOT USE TRIMPOT CHART TO ADJUST MIN AND MAX TRIMPOTS ON MAIN BOARD. IF ADJUSTMENT -1 -2 IS NEEDED THEN REFER TO THE SETUP PROCEDURE BELOW. -
Page 10: 15B / -K Options / -29B Options
Setting the Min, Max, Balance and Linearity Trimpots. Preset the multi-turn Linearity trimpot and the Balance trimpot on the –7 option board full CW, set the Min trimpot full CCW and set the Max trimpot at about 50% rotation. Input a 4 ma. current signal to the control and turn the Min trimpot CW to your desired minimum output voltage or to deadband (the point just before you begin to get an output). -
Page 11: 56G Option
-55G option Isolated Voltage Input Factory or Field Installed NOTE: This option cannot be used on the 123D-C series control. RANGE This option permits either a grounded or non-grounded remote JUMPER SIGNAL CONNECTOR DC voltage speed command. This DC input can range from GROUND 0-5VDC through 0-25VDC or 0-25VDC through 0-250VDC -1 -1 -2... -
Page 12: In Case Of Difficulty
IN CASE OF DIFFICULTY PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION(S) Motor doesn’t operate - Blown Fuse Replace Fuse - Incorrect or no power source Install proper service - Speedpot set at Zero Adjust Speedpot CW to start - Worn motor brushes Replace brushes Armature output voltage - No motor or load connected... -
Page 13: Typical Motor Currents
12.90 Typical Arm Amps (240VAC) ----- 0.40 0.60 1.40 1.70 2.50 3.70 5.00 8.20 11.60 125D SERIES PARTS PLACEMENT & LIST RESISTORS ACTIVE DEVICES 15K 6W 2N6027 3052 MOC 2.7K S4015L 2.7K S4015L LM358 IC 5K (MIN TRIM) 275V G-MOV... - Page 16 REPAIR PROCEDURE In the event that a Product manufactured by Dart Controls Incorporated (DCI) is in need of repair service, it should be shipped, freight paid, to: Dart Controls, Inc., 5000 W. 106th Street, Zionsville, IN. 46077, ATTN: Repair Department.
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