2026年7月15日
What Does a Cable Tester Do? A Practical Guide for OEM Buyers
Learn what a cable tester does beyond continuity: pull force, hi-pot, and full acceptance testing. Essential guide for...
Detailed Product Information
Technical Data & Reference
Structured parameters, material notes, application context and frequently asked questions for engineering and procurement evaluation.
Competitor & Cross-Reference
- Alternative Type
- Functional Alternative
- Competitor Part Number
- 3M 10120-3000PE (MDR 20-Pin Plug) equivalents (Engineered as a cost-effective, custom OEM alternative to standard Yaskawa/Panasonic/Delta I/O cables).
- Mates With
- 3M 10220 Series MDR Receptacles, and standard 20-pin I/O interfaces on Yaskawa, Panasonic, Mitsubishi, and Delta servo drives.
Functional Alternative: This part provides equivalent performance characteristics as a cost-optimized substitute. Minor design review recommended before adoption.
Technical Specifications
- Connector A:
- SCSI MDR 20-Pin Plug
- Connector B:
- SCSI MDR 20-Pin Plug (Or Flying Leads)
- Wire Gauge:
- 28 AWG (Standard) / Customizable
- Cable Length:
- Fully Customizable (e.g., 1m - 10m)
- Connection Type:
- Spring Latch / Squeeze-to-Release
- Bend Radius:
- Fixed: 8x OD / Flexible: 10x OD
Material Composition
| Material | Value / Description |
|---|---|
| Housing/Insulation: | PBT, Black, UL94V-0 |
| Contacts: | Brass, Gold-Plated |
| Connector Shell: | SPCC (Steel), Nickel-Plated |
| Conductor: | Stranded Tinned Copper |
| Shielding: | Tinned Copper Braid + Alu Foil |
| Backshell / Overmolding: | ABS, Black, UL94V-0 |
| Cable Jacket: | PVC (Standard) / TPE (High-Flex) |
| Latch Hardware: | Stainless Steel |
Technical Characteristics
| Characteristic | Value |
|---|---|
| Rated Current: | 1A Max per Pin |
| Rated Voltage: | 30V AC/DC (Control Signal) |
| Operating Temperature: | -25°C to +85°C (Standard) |
| Flammability Rating: | VW-1 / UL 94V-0 |
| Insulation Resistance: | ≥ 10 MΩ @ 300V DC |
| Contact Resistance: | ≤ 10 mΩ |
| Durability (Mating Cycles): | ≥ 500 Cycles |
| Product Certification: | CE / RoHS Compliant |
| Manufacturing Standard: | IPC/WHMA-A-620 Class 2/3 |
| Impedance Matching: | Optimized for High-Speed I/O |
| Conductor Resistance | ≤ 5 Ω |
Application Scenarios
-
CNC Machining Centers: Provides error-free pulse and direction signal transmission between the main motion controller and servo amplifiers, ensuring ultra-precise multi-axis tool positioning.
-
Industrial Robotics & Automation Cells: When customized with a high-flex TPE jacket, the assembly withstands millions of dynamic bending cycles in robotic drag chains without degrading I/O signal integrity.
-
Automated Packaging Systems: The secure MDR latching mechanism prevents accidental signal loss due to the constant, high-frequency vibration inherent in high-speed sorting and packaging machinery.
-
Semiconductor Manufacturing Equipment: Features comprehensive dual-layer shielding that effectively isolates sensitive low-voltage control signals from the aggressive electromagnetic noise generated by nearby variable frequency drives.
Frequently Asked Questions
Can you manufacture this SCSI 20-pin cable with a custom pinout for our proprietary motion controller?
Absolutely. As a direct OEM manufacturer, we specialize in custom wiring. Simply provide your specific wiring diagram or pinout mapping, and our engineering team will build the assembly to match your exact controller-to-drive requirements.
How does this cable handle electromagnetic interference (EMI) in industrial environments?
Signal integrity is critical for servo control. Our cables utilize dual-layer shielding (aluminum foil plus high-coverage tinned copper braiding). We ensure a 360-degree shield termination to the metal connector shell, creating a complete Faraday cage against industrial electrical noise.
Can this cable be used in continuous-flex applications like cable drag chains?
While our standard offering features a durable PVC jacket ideal for static routing, we highly recommend our TPE or PUR jacket options for dynamic, continuous-flex environments such as robotic arms or drag chains to maximize operational lifespan.
Is this a direct replacement for standard Yaskawa or Delta 20-pin I/O cables?
Yes, our customized MDR 20-pin assemblies are designed to be functionally equivalent and intermateable with the standard 20-pin control I/O ports on major servo brands, offering a highly reliable and cost-effective factory-direct alternative.
What is the Minimum Order Quantity (MOQ) for custom lengths?
We offer highly flexible MOQs to support our B2B partners, from prototyping runs to mass production. Standard custom lengths and configurations typically require an MOQ of just 100 to 500 units, depending on the specific raw materials needed.
Overview and Application Notes
Overview: Engineered for precision industrial automation, this Custom SCSI MDR 20-Pin Servo Control Cable Assembly ensures zero-latency, reliable signal transmission between servo drives, PLCs, and motion controllers. Manufactured strictly to IPC/WHMA-A-620 standards, it features high-density 20-pin MDR (Mini Delta Ribbon) connectors with robust metal or metalized plastic shells. To combat the severe electrical noise typical in factory environments, the cable is constructed with premium tinned copper conductors and dual EMI/RFI shielding. As a factory-direct OEM partner, EDOM Electronics offers fully customizable cable lengths, pinout configurations, and specialized jacket materials (such as TPE for high-flex robotic routing) to seamlessly integrate into your specific automation equipment.
Application Notes:
-
EMI/RFI Shielding Integrity: For reliable pulse/direction control signals, ensure the cable’s internal tinned copper braid is terminated 360-degrees directly to the MDR connector’s metal shell.
-
Strain Relief & Routing: When routing near high-power servo motor cables, maintain appropriate spatial separation to minimize crosstalk. Utilize the molded strain relief to prevent mechanical stress on the solder joints.
-
Custom Pinout Mapping: Standard I/O mapping varies significantly between servo brands (e.g., Yaskawa vs. Delta). We support 100% custom pinout configurations based on your specific PLC/Controller wiring diagrams.
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Secure Latching: Always ensure the spring-latch clips on the MDR connectors are fully engaged with the drive receptacle to prevent disconnection during high-vibration CNC operations.
