125D CONTR
OL
SERIES
P.O. Box 105000 W. 106th StreetZionsville, Indiana 46077
Phone (317) 873-5211
Fax (317) 873-1105
www.dartcontrols.com
Instruction Manual
Variable Speed Control
LT114 (0713)
CONTROLS
A-5-3760B
Page 1: ...25D CONTROL SERIES P O Box 10 5000 W 106th Street Zionsville Indiana 46077 Phone 317 873 5211 Fax 317 873 1105 www dartcontrols com Instruction Manual Variable Speed Control LT114 0713 CONTROLS A 5 3760B ...
Page 2: ...s of any unit or its operation in any circuit or assembly This warranty is in lieu of all other warranties express or implied all other liabilities or obligations on the part of DCI including consequential damages are hereby expressly excluded NOTE Carefully check the control for shipping damage Report any damage to the carrier immediately Do not attempt to operate the drive if visible damage is e...
Page 3: ...ing zero calibration Clockwise rotation of MIN trimpot increases speed MAX SPEED Maximum Speed Allows adjustment of the motor speed when the speedpot is set at maximum CW This permits the user to eliminate the top end Deadband which will provide full speed at maximum rotation Rotation of the MAX trimpot in the clockwise direction increases the maximum motor speed I R COMP Speed Regulation This all...
Page 4: ...E PROVIDED BY THE CUSTOMER WITH CIRCUIT BREAKERS OR FUSES IN BOTH MAIN LINES IF NOT FOR 120 VAC INPUT fuse protection should be added by the customer in AC Line 1 see following chart FOR 240 VAC INPUT fuse protection should be added by the customer in AC Line 1 and Line 2 see following chart 1 50 2 AMP 1 20 2 AMP 1 AMP 1 8 3 AMP 2 AMP 1 4 4 AMP 3 AMP 1 3 6 AMP 3 AMP 1 2 8 AMP 4 AMP 3 4 12 AMP 6 AM...
Page 5: ... is on Serious control damage may result 3 For non speedpot applications the input connection to the LO WIPER and HI terminals must not be grounded Serious control damage may result from a grounded input 123D 125D HOOK UP DIAGRAM Warning Do not attempt to perform Hi pot test across AC lines with control in circuit This will result in immediate or long term damage to the control WARNING ALL POWER M...
Page 6: ...POWER OFF prevent damage to the motor or control The 2 Connect a DC Ammeter between A1 on motor and ARM current limit is set for the rated motor current on control This is in series with the motor CW rotation of this trimpot increases the 3 Turn power on armature current or torque produced 4 Set Speedpot at the 50 position 5 Apply friction braking to motor shaft until motor stalls 6 With motor sta...
Page 7: ... P3 To inhibit stop motor speedpot HI is closed to the Inhibit pin To restart the switch is returned to Speedpot Hi NOTE The control will stop fast and soft start through a fixed acceleration range INHIBIT USED WITH SPEEDPOT 7 8 6 P1 SPST SPEEDPOT INHIBIT P3 WIPER LO HI 7 8 6 P1 SPDT SPEEDPOT WIPER LO HI Improves speed regulation to 1 2 of base speed TACHOMETER FEEDBACK Allows control output to fo...
Page 8: ...nto the five position expansion connector on the 125D main board The 2A option overrides the fixed accelrampbuiltintothe125Dcontrol providingindependently adjustable linear accel and decel from 0 5 to 8 0 seconds To install flip over the 2A option board so the printed circuit lines are visible Align the male connector CN1 2A option with the female connector P2 125D board so terminal CN1 1 fits int...
Page 9: ...his option also includes a Balance trimpot which is used to scale the maximum speed in the Manual mode It is factory set so the maximum speed in Manual mode equals the maximum speed in Auto mode The Linearity trimpot on the 7 option board is set at the factory for proper linearity however this trimpot may need to be re set after tuning the Max and Min trimpot settings on the control or if the Bala...
Page 10: ...ess than 0 1Vdc 5 Now apply 20mA to the 5 7 board and adjust the Max trimpot to a voltage that is 5 volts 15 volts for the 250G series controls above the final desired max motor voltage output Adjust the Linearity gain trimpot on the 5 7 board CCW until the motor output voltage decreases to the desired max voltage set point 6 Now apply 4mA to the 5 7 board again and adjust the Min trimpot to deadb...
Page 11: ...ip in the Hi position for voltage signals greater than 25Vdc NOTE Never exceed 250Vdc 5 Make sure all connections are properly made per the hookup connection diagram and then apply AC power to the controller 6 Set the remote input signal to its lowest setting Adjust the MIN trimpot to deadband the point just before an increase causes an output 7 Apply the maximum remote input signal Motor should s...
Page 12: ...r or 0 10VDC isolated signal Speed range 50 1 Speed regulation 1 of base speed Temperature range 10o to 45o C ambient 15o to 115o F Transient protection G Mov Trigger opto coupler Type ramp of accel decel RC time constant With HS 125D or suitable external heatsink where 125D extrusion temperature does not exceed 70 C maximum UL rating for output amps can be increased to 10 amps D C not used on the...
Page 13: ...10 C11 01μF 100V 10μF 35V 01μF 100V 033μF 400V 22μF 1KV 1μF 50V N P 0047μF 1KV 1μF 50V 47μF 16V D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 1N4005 1N4005 1N914B 1N5242B 1N4005 1N5233B 1N914B D4015L D4015L D4015L Q1 U2 Q3 Q4 U5 Q6 2N6027 3052 MOC S4015L S4015L LM358 IC 275V G MOV JU1 JU2 PCB P1 1 THRU 8 P2 2 THRU 6 P3 18GA SOLID INSULATED WIRE 18GA SOLID INSULATED WIRE A 4 2033F PRINTED CIRCUIT 8 POS TERMINAL S...
Page 14: ...13 125D SERIES SCHEMATIC 123D C CHANGES D6 1N914B Q6 DELETE R1 1K2W R2 477 R16 220K R23 47K R25 15K R27 477 R28 477 ...
Page 15: ...14 NOTES ...
Page 16: ...DC and AC motor speed controls and accessories since 1963 P O Box 10 5000 W 106th Street Zionsville Indiana 46077 Phone 317 873 5211 Fax 317 873 1105 Indiana production and headquartersfacility withover 2 000 000variablespeedunits in the field In addition to the standard off the shelf products you can select from a wide variety of options to customize controls for your specific application For fur...
