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E130 series Function and Wiring Picture shows typical wiring of a single axes controller. Multiple axes controller will have additional motor connectors.
Eaton’s motor control centers (MCCs) provide a convenient method for grouping motor control, as well as associated distribution equipment. MCCs may be applied on electrical systems up to 600 V, 50 or 60 Hz, having available fault currents of up to 100,000 A rms. Enclosure designs include NEMAT 1 Gasketed as well as NEMA 2, 12, 3R and 3R walk-in.
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Oct 14, 2021 · This is a simple pulse width modulation speed controller for a DC motor which uses one of these, a 555 timer, and we’re going to show you how the circuit works, how to design one and even turn it into a professional looking printed circuit board.
- Acceptance
- Handling
- Power Supply
- Thermostat (Thermal Protector)
- Mounting
- Direction of Rotation
- Shipping Blocks
- Maximum Safe Speed
- Application of Pulleys, Sheaves, Sprockets and Gears On Motor Shafts
- Mounting
- Shaft Loads – Axial and Radial
- Deriving Motor Constants
- Series Wound Motors
- Motor Start-up
- DC Motor Field Heating
- Maintenance
- Inspections
- Cleanliness
- Recommended Lubricant
- Lubrication – Frames C180ATZ
- Brushes
- Commutation
- Windings
- Filters – Cleaning
- Brakes
- Disassembly & Reassembly Instructions
- Anti-friction Bearing Assemblies
- DC180ATZ & DC210ATAZ
- C180ATZ
- Brush Rigging and Brush Holders
- DC180ATZ & DC210ATZ
- C180ATZ
Thoroughly inspect this equipment before accepting shipment from the transportation company. If any of the goods called for in the bill of lading or express receipt are damaged or the quantity is short, do not accept them until the freight or express agent makes an appropriate notation on your freight bill or express receipt. If any concealed loss ...
ATTENTION: Eyebolt(s) or lifting lug(s) are intended for ! lifting the motor only with the standard accessories such as tachometer, brakes, etc., mounted by Allen-Bradley. The lifting means on the motor must not be used to lift the unit plus additional equipment. The lifting means on the motor cannot be used to lift assemblies or equipment mounted ...
Check the motor nameplate to be sure the voltage and type of power rating is the same as that of the power source. A code stamped on the nameplate identifies the type of power supply that must be used to supply armature power to the motor in order to obtain the rated nameplate output. Since the code letter has been selected in alphabetic order of i...
Important:When motors are provided with thermal protection (typically thermostats), it is important to properly connect and apply the devices. This will ensure that the motor is properly protected from being operated if thermal limits are reached and/or exceeded. The control system must be configured to reduce the motor load and/or shut down the mo...
Motors must be mounted on a rigid, solid base or foundation. Poor base construction may cause resonances in the motor/base assembly which can result in bearing failure and other motor damage. All hold down bolts must be the correct grade for the type of mounting and must be torqued to their recommended value. Table A Recommended Torque
Unless otherwise ordered, brush rigging is assembled for NEMA standard direction of rotation, counterclockwise for motors and clockwise for generators facing the commutator end. These motors will operate in either direction of rotation, without changing the angle of the brush holders for normal field weakened speed ranges. Extended field weakened s...
Motors supplied with roller bearings at the drive end are shipped with wooden blocking to prevent axial movement of the shaft during shipment. Remove the blocking and bolts securing it and discard. Make sure motor shafts turn freely. If motor is to be reshipped, blocking of bearing is required.
ATTENTION: The machinery builder and/or user are ! responsible for assuring that all drive train mechanisms, the driven machine, and process material are capable of safe operation at the maximum speed at which the machine will operate. Failure to observe these precautions could result in personal injury. The speeds given in Table B are the maximum ...
To avoid excessive bearing loads and shaft stresses, belts should not be tightened more than necessary to transmit the rated torque. The pre-tensioning of the V-belt drive should be based on the total tightening force required to transmit the horsepower divided by the number of belts. This procedure avoids the excessive load caused by tightening in...
In general, the closer pulleys, sheaves, sprockets or gears are mounted to the bearing on the motor shaft, the less will be the load on the bearing. This will give greater assurance of trouble-free service. The center point of the belt, or system of V-belts, must not be beyond the end of the motor shaft. The inner edge of the sheave or pulley rim s...
DC motors are suitable for limited shaft load as shown in Tables D and E. Recommended maximum thrust loads depend on the mounting position, either horizontal or vertical. For load recommendations in excess of those shown, contact your local Sales Office. ATTENTION: The use of these radial load capacities requires ! the accurate calculation of the r...
Various motor constants are required to set control functions for stabilized operation of motor and controls. The following information will make it possible to derive approximate motor constants from the nameplate data.
Important:Series wound motors must be solidly connected to the driven machine and never operated without load to avoid possible destructive high speeds.
ATTENTION: To guard against personal injury and/or machine ! damage, observe the following precautions before initial start-up: Remove all unused shaft keys and loose rotating parts to prevent them from flying off. Replace covers and protective devices. Verify that all separately excited fields are excited at their rated voltage and that relative p...
ATTENTION: To guard against motor damage caused by ! inadequate ventilation, assure that motors designed for forced ventilation as standard have cooling air when fields are excited at rated voltage. Installations having the air supply interrupted when the motor is not operating must have field disconnected or field voltage reduced to 67%, rated by ...
ATTENTION: Internal parts of this motor may be at line ! potential even when it is not rotating. Before performing any maintenance which could result in contacting any internal part, be sure to disconnect all power from the motor. Failure to observe this precaution could result in severe personal injury or death.
Regular inspection at intervals dependent upon service conditions is the best insurance against costly maintenance and breakdown. Experience is the best guide. Record inspection results and maintenance action required or performed.
Keep the interior parts of machines clean and dry. Remove dust, dirt, corrosion, grease, oil and moisture. If used, ventilating air filters must be kept clean or replaced to assure full volume of cooling air.
For motors operating in ambient temperatures shown below, use the following lubricants or their equivalent:
These motors are designed to route new grease directly into the bearing. The relubrication periods shown in Table J are offered as a guide for varying service conditions, speeds, bearing types and operating hours. Important:Certain special motors may have a lubrication instruction plate permanently attached. These specific lubricating instruction m...
Brush pressure is correctly established at the factory and maintained at the correct value throughout the life of the brush by means of a constant pressure design. Brushes and brush-holders should be clean so that the brushes are free to move in the holders. Replace brushes with new brushes of the same grade before wear permits the rivet or tamped ...
Intermittent sparking due to overloads or slight visible sparking does not necessarily indicate poor commutation. Poor commutation exists when there is excessive sparking requiring abnormal maintenance. Every case of excessive sparking should be investigated to determine the cause and correct it. The chart in Table K may help in analyzing commutati...
For long life, keep windings clean and dry. Dirt or dust can be removed by wiping them with a clean cloth, by blowing with clean, dry, low pressure air or by vacuum cleaner. Oil or grease can be removed with a cloth moistened with mineral solvent. Be sure not to get any solvent on the commutator and observe all product warnings.
When supplied, filters on motors must be kept clean to assure proper air flow and cooling of the motor. The following procedure should be used to clean these filters: For light accumulations of dust, use compressed air to clean. For moderate accumulations, water may be used. For heavy accumulations of dirt and grease, clean the filter using water a...
Motor mounted brake, when supplied, must be adjusted and maintained in accordance with the instructions for the specific brake. Refer to separate instructions supplied with the motor
The motor design incorporates many new techniques which are described in this section. It is recommended that these differences be understood thoroughly before any disassembly work is done to avoid possible damage or harm to either machine and/or maintenance personnel.
Conduit box is located on the commutator end bracket.
Conduit box is located on the commutator end bracket.
Conduit box is located on the commutator end bracket.
Conduit box is located on the commutator end bracket.
Conduit box is located on the commutator end bracket.
Conduit box is located on the commutator end bracket.
May 2, 2015 · AC should be connected to terminals 1 and 3, field coil and switch box to 2 and 3. The triac is used for a phase-fired controller. The trigger will contain a variable resistor between 4 and the "the black-dot-terminal".
Following these steps will ensure that the S1 and S2 terminals of your DC motor are correctly wired, allowing for precise control of the motor’s rotation direction. Always double-check your connections and consult the motor’s documentation for any specific wiring requirements.
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Changing magnet coils from 120V or to 120V involves add-ing or removing wire “C”. If you stock starters or contactors with different rated mag-net coils, and need to convert the device to a 120V magnet coil for separate control, you must remove the connection to the power circuit that is provided.
