Description
MYCOM IMS500-120S | Five-Phase Stepper Motor Driver
Product Introduction
In a pulse-controlled positioning system, replacing a stepper drive requires more than matching the connector layout. The driver must support the motor’s phase configuration, current requirements, and pulse-command method. The MYCOM IMS500-120S is associated with the IMS500 family of compact five-phase DC stepper motor drivers, designed for precise motion control in industrial equipment.
The IMS500-120 family is specified for 24 V DC operation and up to 1.4 A per phase, with full-step and half-step operation and automatic current reduction at standstill. These characteristics make the family relevant to legacy positioning systems where maintaining the existing motor and controller architecture is preferable to a complete motion-control redesign. Confirm the exact IMS500-120S suffix and nameplate ratings before ordering as a direct replacement.
IMS500-120
Key Technical Specifications
- Model: IMS500-120S
- Manufacturer: MYCOM
- Series:
- Product Category: Five-phase stepper motor driver
- Drive Type: DC stepper drive
- Drive Method: Star-bipolar constant-current chopper (-120 family)
- Supply Voltage: 24 V DC ±10% ( family)
- Maximum Power Consumption: 72 W for the -120 family
- Output Current: Up to 1.4 A per phase for -120
- Step Resolution: Full-step and half-step
- Basic Step Angle: 0.72° full-step / 0.36° half-step, dependent on the connected motor
- Control Inputs: CW, CCW, CO
- Input Isolation: Opto-isolated control inputs ( family)
- Input Resistance: 220 Ω (published family specification)
- Input Signal Levels: Low 0–0.5 V; High 4–5 V
- Current Management: Automatic current reduction at standstill
- Output Function: Motor output current-off control
- Motor Compatibility: Confirm five-phase winding configuration and current rating before use
- Exact IMS500-120S Suffix: Confirm against the unit label and applicable MYCOM documentation
Family-level values are based on the available Series driver datasheet. They should not be treated as independently verified -120S-specific ratings until the exact model variant is confirmed.
Global Sourcing & Live-Test SOP
A legacy stepper drive can pass a basic power-on check and still fail under motor load. ForYCOM , inspection should establish both physical condition and compatibility with the intended motor and pulse controller.
Incoming Verification
- Confirm the MYCOM nameplate and exact model dtion .
- Photograph the complete unit, label, terminals, and any configuration switches.
- Inspect the housing, PCB (where visible), terminals, and mounting points for damage.
- Record serial number and hardware or revision markings where present.
- Check for corrosion, contamination, heat damage, or evidence of unauthorized repair.
Authenticity & Configuration Checks
- Compare the unit markings with available MYCOM Series documentation.
- Confirm whether the suffix “S” denotes a specific configuration or revision.
- Record any DIP-switch, jumper, or mode settings before changing them.
- Verify the intended motor’s five-phase configuration and rated current.
- Confirm pulse input mode and controller signal levels against the applicable manual.
Functional Test Recommendations
- Apply the specified DC supply using a current-limited test setup.
- Verify power-up behavior and inspect for abnormal heating or current draw.
- Where a compatible motor and pulse generator are available, test CW and CCW movement.
- Verify full-step and half-step operation where supported by the unit configuration.
- Check automatic current reduction and output-current-off behavior where testable.
- Record the motor used, supply voltage, pulse frequency, test duration, and observed results.
- Clearly disclose any functions that could not be tested.
Extended Test & Packaging
- Document the actual duration and conditions of any extended operating test.
- Do not claim a 24-hour heat run unless it was completed and recorded.
- Preserve inspection results and configuration notes with the unit.
- Use ESD-aware handling and protective packaging suitable for international shipment.
Condition Transparency: State whether the drive is used, tested, untested, or factory sealed based on the actual item. Warranty and return coverage should match the seller’s stated terms.
Field Engineer’s Pitfall Guide
❗ Do not assume th and are identical. The available family datasheet identifies the -120, but the exact “S” suffix requires confirmation. Match the full nameplate designation and revision before installation.
❗ Verify the motor’s phase count and current rating. family is designed for five-phase stepper motors, with a published maximum of 1.4 A per phase. A similar-looking two-phase or differently rated drive is not a safe substitute.
❗ Match pulse logic and control wiring before energizing. CW, CCW, and CO signals have defined functions, and the input levels must be compatible with the controller. Confirm the wiring diagram and selected pulse mode before connecting the drive to the machine.
Intent-Driven FAQ
Q1: What isYCOM used for?
A: It is associated with the MYCOM family of five-phase DC stepper motor drivers, used for pulse-controlled positioning applications.
Q2: What supply voltag the require?
A: The family is documented for 24 V DC ±10%. Confirmxact nameplate before applying power.
Q3: What is the output current rating?
A family is rated up to 1.4 A per phase. Verify the exact model variant and motor requirements before commissioning.
Q the drive a two-phase stepper motor?
A: Do not assume compatibility. The family is designed for five-phase stepping motors. Confirm motor phase configuration and winding specifications before connecting.
the a direct replacement f?
A: Not without verifying the suffix, nameplate ratings, terminal configuration, and applicable documentation. Similar family designations alone do not establish interchangeability.
Q6: Does the driver include a stepper motor or cables?
A: Not unless explicitly shown and stated in the specific sale. Confirm the physical contents of the shipment before purchase.
Q7: Is this unit tested or covered by a warranty?
A: Test status and warranty depend on the specific seller and listing. Review the stated condition, available test evidence, and return terms before purchase.
Reference Documentation
- MYCOM Series Driver Datasheet: Available family specifications identify the 24 V DC supply, five-phase drive method electrical ratings.
- MYCOM official site: Manufacturer information and support resources are available through the MAYEKAWA Global website.
