Description
1. Product Title
Yaskawa JGSM-06 – Sigma-II/III Series Serial Communications Cable

2. Product Overview
The JGSM-06 is a high-quality serial communication cable designed by Yaskawa for interfacing Sigma-II and Sigma-III series servo drives with external controllers or PCs. Its primary function is to facilitate the transfer of configuration parameters, real-time monitoring data, and diagnostic information between the drive and the Yaskawa SigmaWin+ software environment. In precision motion control, a stable communication link is essential for tuning motor performance and troubleshooting complex motion sequences; the JGSM-06 addresses this by utilizing high-grade shielding to prevent data corruption from the electrical noise typically found in industrial motor cabinets. By providing a reliable “plug-and-play” connection, this cable simplifies the commissioning process for engineers working with high-performance automation systems.
3. Technical Specifications
- Brand: Yaskawa
- Model: JGSM-06
- Warranty: One Year
- Condition: 100% New & Original
- Type: Serial Communication Cable
- Length: 0.6 Meters
- Drive Compatibility: Yaskawa Sigma-II (SGDA, SGDB, SGDH) and Sigma-III (SGDS)
- Connector A: CN3 Interface (High-density mini-connector)
- Connector B: DE-9 (Serial Port / RS-232 configuration)
- Cable Material: Flexible, oil-resistant industrial jacket
- Shielding: Fully shielded to minimize EMI/RFI interference
4. Key Features & Benefits
- Optimized for SigmaWin+: The JGSM-06 is specifically wired to support the proprietary communication protocols used by Yaskawa’s software, ensuring seamless parameter uploads and downloads without connection timeouts.
- Compact 0.6m Length: Ideal for local cabinet connections or “through-the-door” panel interfaces, reducing cable clutter and preventing signal attenuation associated with excessively long serial runs.
- Industrial Durability: Featuring robust molded strain relief and high-quality gold-plated pins, this cable is designed to withstand repeated insertion cycles during routine maintenance and field service.

5. Application Scenarios
- Servo Drive Commissioning: Used by technicians to connect a laptop to a newly installed Sigma-II drive for auto-tuning the motor’s gain and inertia settings.
- Real-Time Diagnostics: Deployed in factory floor environments to monitor the performance of an active drive, allowing for the capture of torque ripples or position errors via an external PC.
- Firmware Updates: Provides the stable data link required to flash updated firmware to Yaskawa servo components, ensuring the latest features and safety protocols are active.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the JGSM-06?
- A: The JGSM-06 is a serial cable used to establish a communication link between Yaskawa Sigma-II/III servo drives and a computer for parameter configuration and monitoring.
- Q: Is JGSM-06 compatible with legacy systems?
- A: Yes, it is specifically designed for legacy Yaskawa platforms like the Sigma-II and Sigma-III series. Note that modern Sigma-7 drives typically use standard USB mini-B or Ethernet cables instead.
- Q: Do I need an adapter to use this with a modern laptop?
- A: Since most modern laptops do not have native DE-9 serial ports, the JGSM-06 is commonly used in conjunction with a high-quality USB-to-RS232 serial converter.










