Oriental motor CMD Operating Manual
Oriental motor CMD Operating Manual

Oriental motor CMD Operating Manual

Driver for 2-phase stepping motor

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OPER ATING MANUAL
For 2-phase Stepping Motor
CMD Driver
Introduction
„ Before use
Only qualified personnel of electrical and mechanical engineering should
work with the product.
Use the product correctly after thoroughly reading the "Safety precautions."
In addition, be sure to observe the contents described in warning, caution,
and note in this manual.
The product described in this manual has been designed and manufactured
to be incorporated in general industrial equipment. Do not use for any other
purpose. Oriental Motor Co., Ltd. is not responsible for any damage caused
through failure to observe this warning.
„ Overview of the product
The products described in this manual are open frame type microstepping
drivers to drive unipolar-connection stepping motors.
Safety precautions
The precautions described below are intended to prevent danger or injury
to the user and other personnel through safe, correct use of the product.
Use the product only after carefully reading and fully understanding these
instructions.
Description of signs
Handling the product without observing the instructions
that accompany a "WARNING" symbol may result in
serious injury or death.
Handling the product without observing the instructions
that accompany a "CAUTION" symbol may result in injury
or property damage.
The items under this heading contain important handling
instructions that the user should observe to ensure the
safe use of the product.
Description of graphic symbols
Indicates "prohibited" actions that must not be performed.
Indicates "compulsory" actions that must be performed.
y Do not use the product in explosive or corrosive environments, in the
presence of flammable gases, locations subjected to splashing water,
or near combustibles.
Doing so may result in fire or injury.
y Do not forcibly bend, pull or pinch the cable.
Doing so may result in fire.
y Do not turn the AWO input to ON while the motor is operating.
Doing so may result in injury or damage to equipment.
y Do not disassemble or modify the product.
Doing so may result in injury.
HM-7450-3
Thank you for purchasing an Oriental Motor product.
This Operating Manual describes product handling procedures and safety
precautions.
y Please read it thoroughly to ensure safe operation.
KCC-REM-OMC-001
y Always keep the manual where it is readily available.
y Assign qualified personnel to the task of installing, wiring, operating/
controlling, inspecting and troubleshooting the product.
Failure to do so my result in fire or injury.
y If this product is used in a vertical application, be sure to provide a
measure for the position retention of moving parts.
Failure to do so may result in injury or damage to equipment.
y Install the product inside an enclosure.
Failure to do so may result in injury.
y Always keep the power supply voltage of the driver within the
specified range.
Failure to do so may result in fire.
y For the driver power supply use a DC power supply with reinforced
insulation on its primary and secondary sides.
Failure to do so may result in electric shock.
y Connect the cables securely according to the wiring diagram.
Failure to do so may result in fire.
y Turn off the driver power supply in the event of a power failure.
Failure to do so may result in injury or damage to equipment.
y Do not use the product beyond its specifications.
Doing so may result in injury or damage to equipment.
y Keep your fingers and objects out of the openings in the product.
Failure to do so may result in fire or injury.
y Do not touch the product during operation or immediately after
stopping.
Doing so may result in a skin burn(s).
y Do not forcibly bend or pull the cable that was connected to the
driver.
Doing so may result in damage to product.
y Keep the area around the product free of combustible materials.
Failure to do so may result in fire or a skin burn(s).
y Leave nothing around the product that would obstruct ventilation.
Failure to do so may result in damage to equipment.
y Do not touch the rotating part (output shaft) while operating the
motor.
Doing so may result in injury.
y Use a motor and driver only in the specified combination.
Failure to do so may result in fire.
y Provide an emergency stop device or emergency stop circuit so that
the entire equipment will operate safely in the event of a system
failure or malfunction.
Failure to do so may result in injury.
y Before supplying power to the driver, turn all input signals to the
driver to OFF.
Failure to do so may result in injury or damage to equipment.
y Before rotating the output shaft manually while the motor stops,
confirm that the AWO input turns ON.
Failure to do so may result in injury.
y When an abnormal condition has occurred, immediately stop
operation and turn off the driver power.
Failure to do so may result in fire or injury.
y Dispose the product correctly in accordance with laws and
regulations, or instructions of local governments.
1

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Summary of Contents for Oriental motor CMD

  • Page 1 Do not use for any other specified range. purpose. Oriental Motor Co., Ltd. is not responsible for any damage caused Failure to do so may result in fire. through failure to observe this warning.
  • Page 2: Precautions For Use

    „ Motors for possible combinations • Regeneration Use the CMD drivers in combination with the motors shown in the table. When a large inertial load is operated at high speed, regeneration energy Match the driver operating current with the motor rated current before use.
  • Page 3: Installation

    „ Installation method Name Description Power supply connector (CN1) Connects the power supply. Install the driver using either of the "cutout for mounting A" or "cutout I/O signals connector (CN2) Connects the I/O signals. for mounting B." Do not concurrently use both cutouts. Motor connector (CN3) Connects the motor.
  • Page 4 Connection „ Connection example Either 5 or 24 VDC can be used as the signal voltage for the AWO input, CS input and ACDOFF input. y Check the colors of motor lead wires and connect them correctly and securely. Wrong connection of lead wires or poor contact may cause damage to the driver.
  • Page 5 z When using the voltage of input signals at 24 VDC Driver 24 VDC±10% Motor lead wire * Blue White Black Yellow Green Controller V0 (24 VDC) Twisted pair cable PLS+ (CW+) PLS- (CW-) Photocoupler input 5 to 24 VDC DIR+ (CCW+) Input current 5 to 20 mA DIR- (CCW-)
  • Page 6 „ Connector pin assignments For the motor of the frame size 20 mm (0.79 in.) [PKP213, PKP214 type], since the wire diameter of the motor cable is AWG26, it is too thin to fit in the included connector for motor. Provide the AWG24 (0.2 mm ) or thicker cable yourself, and connect by using it.
  • Page 7: Explanation Of I/O Signals

    CS input and ACDOFF input can be connected directly to 5 VDC or 24 VDC. The CMD Driver is a product of DC power input. Use a DC power supply (switched-mode power supply etc.) that conforms to the EMC Directive.
  • Page 8 z ACDOFF (auto current down release) input z PLS (CW) input, DIR (CCW) input [ON: 4.5 to 26.4 V, OFF: 0 to 1 V] Set a desired pulse input mode of the driver according to the pulse output When the ACDOFF input is turned OFF, the motor current will automatically mode of the controller used with the driver.
  • Page 9 „ Timing chart Motor operation 5 s or more Power supply input 10 µs or more 10 µs or more 300 µs or more PLS input 1-pulse input mode DIR input 0.5 s or more CW input 10 µs or more 2-pulse input mode CCW input AWO input...
  • Page 10 • Setting method „ Motor current Set the motor standstill current using ammeters. Set the motor current using the motor operating current setting switch (RUN) and motor standstill current potentiometer (STOP). Driver 24 VDC±10% Motor leads color Motor standstill current Motor operating current −...
  • Page 11: Troubleshooting And Remedial Actions

    If an abnormal condition is during acceleration The acceleration noted, discontinue any use and contact your nearest Oriental Motor sales Lengthen the acceleration or running. (deceleration) time is too office.
  • Page 12 This product eliminates the noise of the pulse signal, and converts the pulse y Oriental Motor shall not be liable whatsoever for any problems relating to industrial property rights arising from use of any information, circuit, signal to the line driver type.

This manual is also suitable for:

Cmd2109pCmd2120pCmd2112p

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