What to do if my Control Techniques DC Drives motor does not reach full speed?
If your Control Techniques DC Drives motor does not reach full speed, you should correct any overload condition. Adjust the MAX potentiometer clockwise. Check the AC line voltage and correct it if necessary. Follow the programming procedure. Replace any components as required. You may also need to replace components as specified in the motor instruction manual.
What to do if my Control Techniques DC Drives motor does not maintain speed under load?
If your Control Techniques DC Drives motor does not maintain speed under load, adjust clockwise. Also, correct any overload condition. Check the jumpers. Replace any faulty components. If needed, replace components as specified in the motor instruction manual.
How to troubleshoot no speed control in Control Techniques Emerson Focus 1?
To troubleshoot a lack of speed control in your Control Techniques DC Drives, replace any faulty components as required. Check the wiring and jumper programming. Make the specified voltage checks. Double-check to ensure that armature leads A1 and A2 are not grounded.
Why does my Control Techniques DC Drives line fuses blow when applying AC power?
If the line fuses blow or the main circuit breaker trips when applying AC power to your Control Techniques DC Drives, it might be due to several reasons. You can rewire the control to the proper AC voltage or use a step-down transformer. Another solution is to locate and remove the short. Check the jumper programming during installation. Replace any faulty components as required. Also, determine the cause of the issue and correct it.
Why does my Control Techniques Emerson Focus 1 DC Drives fuses blow when speed potentiometer is advanced from zero?
If the fuses blow when the speed potentiometer is advanced from zero on your Control Techniques DC Drives, reduce the load as required. You may also need to consult the motor instruction manual and repair or replace the motor as required.
What to do if my Control Techniques Emerson Focus 1 DC Drives motor runs in wrong direction?
If your Control Techniques DC Drives motor runs in the wrong direction, exchange the leads.
What to do if my Control Techniques DC Drives control appears to be dead?
If the Control Techniques DC Drives control appears to be dead, install either a jumper or the Motor Thermostat between the appropriate terminals. Apply AC power and measure L1 and L2 for correct voltage. Replace the line fuses, if necessary. Turn off AC power and tighten connections. Recheck all wiring. Replace any bad components as required. Slowly advance from zero to begin motor rotation.
What to do if my Control Techniques DC Drives motor does not come to full stop?
If your Control Techniques DC Drives motor does not come to a full stop, readjust the settings. Also, replace any components as required.
General| Horsepower | Up to 5 HP |
|---|---|
| Power Rating | Up to 3.7 kW |
| Field Supply | Fixed or variable, up to 5A |
| Regulation | ±1% |
| Protection | Overcurrent, overvoltage, undervoltage, overtemperature, field loss |
| Communication | RS485 |
Indicates a potentially hazardous situation that could result in death or serious injury if not avoided.
Indicates a potentially hazardous situation that could result in minor or moderate injury if not avoided.
Indicates a potentially hazardous situation that could result in property damage if not avoided.
Highlights hazards from high voltages, currents, and mechanical equipment, requiring trained personnel.
Specifies enclosure needs for preventing access and contamination ingress, suitable for pollution degree 2.
Emphasizes careful consideration of drive settings and parameter changes for safe operation.
Discusses compliance with EU directives for machinery safety and implications for control functions.
Explains the necessity of an isolation device or disconnect before servicing the drive.
Stresses proper grounding via conductor sufficient to carry fault current.
Covers requirements for input fusing and ensuring control circuits are isolated from human contact.
Details the chassis model intended for mounting within a user-supplied cabinet.
Describes the NEMA 1 enclosed version with integrated controls for convenient operation.
Details the typical 4-wire connections for shunt wound motors (Armature and Field leads).
Guides selection based on motor armature voltage (90/180Vdc) and field resistance.
Explains speed regulation using armature voltage feedback for up to 1% accuracy.
Describes how dynamic braking provides quick stopping action and motor turning resistance.
Details motor behavior during power outages for Shunt Wound and Permanent Magnet motors.
Guides users on checking shipment for damage and verifying contents against purchase order.
Outlines conditions for storing the drive (clean, dry, temperature range) to maintain warranty.
Highlights the reliable power bridge and AC line fusing for maximum protection.
Details selectable current limit ranges and 1% speed regulation accuracy.
Mentions the circuit board LED indicator and UL/cUL listing for compliance.
Shows nameplate details including Part #, Serial #, input/output ratings for the enclosed model.
Shows nameplate details including Part #, Serial #, input/output ratings for the chassis model.
Lists catalog numbers, enclosure types (Chassis, NEMA 1), and HP ratings.
Details voltage and current ratings for AC input (120/240Vac) and DC output (Armature/Field).
Includes service factor, speed regulation, armature voltage, speed range, and efficiency.
Specifies altitude (3300ft) and ambient temperature limits for chassis and enclosed models.
Explains potentiometer functions (Max Speed, Min Speed, IR Comp) and jumper selections.
Compares operator functions (Speed Adjustment, Start/Stop, Fwd/Rev) available on different models.
Lists logic control power (24Vdc), speed potentiometer (5000 ohm), and input signal requirements.
Lists available option kits including M-Contactor, Dynamic Braking, and interface options.
Advises on mounting the chassis model in user enclosures, considering temperature limits.
Describes suitable environments for the NEMA 1 enclosure, avoiding steam, oil, or chemical fumes.
Explains kits providing motor disconnection and dynamic braking poles for safety and code compliance.
Details specific part numbers for dynamic braking resistors sized for rapid motor stopping.
Details the kit for converting the standard NEMA 1 enclosure to a NEMA 4/12 rating.
Explains the board for isolating control signals from potential ground differences.
Describes the two models of remote operator stations with speed pot and start/stop buttons.
Details meters for displaying motor speed and associated calibration boards.
Introduces a multi-turn speed potentiometer for precise and repeatable speed setting.
Details kits providing 120VAC interface for three-wire Start/Stop and Jog functions.
Describes kits for system ready and external trip functions via 120VAC interface.
Lists sequential steps from Receiving & Inspection to Start-up of Drive.
Emphasizes warnings regarding electrical shock, improper installation, and hazardous voltages.
Specifies fused AC line disconnects and single-phase AC voltage requirements per NEC.
Instructs on connecting to earth ground via mounting screws or lugs for safety.
Provides wiring charts, notes on wire types, gauge, and prohibited connections.
Explains how to correct wrong motor rotation by exchanging armature or field leads.
Advises against installing option kits before verifying basic drive operation to simplify troubleshooting.
Illustrates connections for AC power input (L1, L2) and earth ground.
Identifies connections (A+, A-, F+, F-) for motor armature and shunt field leads.
Explains the function of each pin from 1 to 8 for drive control inputs and outputs.
Warns against grounding control circuitry, as it can cause immediate failure and void warranty.
Illustrates wiring for the integrated Start/Stop switch and Speed Potentiometer on the enclosed unit.
Highlights a critical connection (TB2-5 to 5A) required for system interlock and preventing start-up.
Shows connections to the drive control terminal strip, including the Speed Potentiometer.
Points out the connection required for system interlock, preventing start-up without it.
Illustrates connections for +10Vdc supply, Speed Command (wiper), and Common/Min Speed terminals.
Warns against connecting the speed pot shield to Earth to prevent permanent damage.
Warns against attempting jumper programming while the control is operational; requires power lockout.
Details the function of Jumper 1 for selecting between Speed (SPD) or Current (CUR) control mode.
Explains the function of Jumper 3 for selecting between Low (90 Vdc) or High (180 Vdc) armature voltage.
Shows jumper settings (A to E/B to D for 120Vac, A to C/B to C for 240Vac) for input voltage.
Warns that applying 240Vac to a 115Vac configured unit will damage the drive.
Lists J2 jumper positions (Lo, Med, Hi) based on motor HP and DC output current for 115Vac input.
Lists J2 jumper positions (Lo, Med, Hi) based on motor HP and DC output current for 230Vac input.
Details jumper settings (J1 to CURR, J2 range, J3 to CURR REG) for torque regulation.
Warns about potential overspeed in torque mode and the necessity of external overspeed protection.
Explains that the red LED illuminates when the run relay is energized, indicating active operation.
Details how to set the maximum motor speed using the MAX SPD potentiometer.
Explains how to set the minimum motor speed using the MIN SPD potentiometer.
Shows the location and provides guidance for adjusting the MAX SPD potentiometer.
Shows the location and provides guidance for adjusting the MIN SPD potentiometer.
Guides adjustment of the IR COMP pot to recover speed lost due to load or prevent hunting.
Lists required drive model, serial, motor nameplate data (voltage, current, RPM).
Recommends initial setup in Speed Regulation mode before switching to Torque mode.
Details jumper settings for 100Vdc field voltage and 120Vac input power.
Details jumper settings for 200Vdc field voltage and 230Vac input power.
Guides jumper settings based on armature voltage (110Vdc) and input voltage (120Vac).
Correlates catalog number, DC output current, and J2 position for armature current feedback.
Stresses the installer's role in ensuring operator safety through system design and testing.
Recommends contactor kits to prevent unintended motor movement during power line disturbances.
Suggests using a permissive or System Enable to ensure safe operation based on machine conditions.
Outlines external relay logic for an overall System Enable, integrating safety interlocks.
Explains how contactor kits disconnect the motor from the drive power section when remote start opens.
Describes verifying basic speed regulator operation in an out-of-box state with no option kits installed.
Advises against installing option kits before verifying basic operation to simplify troubleshooting.
Shows minimal connections for chassis units during start-up, including speed potentiometer.
Shows minimal connections for enclosed units, including Start/Stop switch and Speed Pot.
Instructs to leave JP2 in speed regulation (SPD) for initial start-up procedure.
Details steps for starting the drive, verifying motor rotation, and acceleration.
Explains jumper settings (JP1, JP3 to CURR) and input for current/torque regulator mode.
Emphasizes disconnecting power and reading diagrams before any maintenance or troubleshooting.
Details regular checks for motor cleanliness, cooling passages, impeller, brushes, and bearings.
Recommends studying manuals, gaining experience, and training in test instrument use.
Stresses record-keeping and lists common drive failure causes like loose connections or grounding.
Provides guidance on using multimeters, oscilloscopes, reading schematics, and checking fuses.
Warns about connecting oscilloscope ground to a 'hot' chassis type drive, which can cause severe shock.
Details methods to eliminate the oscilloscope's ground connection for safe measurement of control signals.
Highlights that the earth ground pin on a typical oscilloscope is tied to the probe's ground clip.
Recommends battery-powered scopes without adapters as the best method for observing drive waveforms.
Explains the differential channel method using two probes to avoid ground clips and ensure safety.
Describes using a small isolation transformer to power the scope, eliminating earth ground connection.
Discusses cutting off the ground pin or using a 'cheater' adapter, noting potential warranty voiding.
Covers causes like missing jumpers, no AC power, loose connections, or defective components.
Addresses causes for blown fuses or tripped breakers: incorrect voltage, shorts, or wiring errors.
Identifies issues like motor overload, defective components, or worn motor brushes.
Lists causes such as overload, low MAX SPD setting, low AC voltage, or incorrect jumper programming.
Explains how to correct motor direction by exchanging armature or field leads.
Covers causes like low IRCOMP, motor overload, or incorrect jumper programming.
Lists potential causes for the motor failing to stop, such as incorrect potentiometer settings.
Addresses issues related to defective components, incorrect wiring, or potentiometer problems.
Illustrates wiring for connecting a 75W light bulb to the armature output for testing.
Instructs to record jumper settings before performing the light bulb test for later restoration.
Explains checking armature circuitry with a light bulb and voltage measurement (approx. 90Vdc).
Details checking the field supply using a light bulb (75W or less) across F+/F- terminals.
Provides a list of available application notes, technical notes, and replacement instructions on the website.
Warns against connecting control terminals to earth ground due to the risk of shorting circuit board traces.
Describes the signal isolator board as Solution #1 for isolating control signals and preventing ground loops.
Provides a formula (KVA = 1.5 x Rated Armature Current x Voltage) for calculating transformer size.
Identifies the main control board and provides website link for replacement instructions (CTRI219).
Lists part numbers for the Speed Adjust Potentiometer and operator switches (Start/Stop, Fwd/Rev).
Lists part numbers for the Power Block (3720-004) and Fuses (3705-032, 15A).
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