YCB301-C800 Yokogawa ESB Bus Cable | 8m Length 36-Pin Original

Product Overview

• The YCB301-C800 is a premium 8-meter ESB Bus Cable with 36-pin male connectors.
• It facilitates high-speed serial communication between control units and remote I/O nodes.
• It features a 120Ω characteristic impedance to suppress high-frequency industrial noise.
  

Technical Specifications

• Brand: Yokogawa
• Model: YCB301-C800
• Series: ESB Bus (Enhanced Serial Backbone)
• Cable Type: High-Speed 36-Pin Interconnect
• Physical Length: 8 Meters (26.25 ft)
• Conductor Material: 24AWG Tinned Copper for superior conductivity
• Impedance: 120Ω ±10% @ 1MHz (Matched for ESB protocols)
• Shielding: Dual-layer foil plus 95% coverage braid
• Environmental Rating: -40°C to +80°C operating range
• Voltage Rating: 300V AC maximum

Configuration Breakdown

• YCB301 Base Interconnect Series
  • -C Connector Specification
    • Standardized 36-pin to 36-pin male interface
  • 800 Length Designation
    • Fixed 8.0 Meters factory-tested assembly

Installation and Compatibility

• System Integration: Fully compatible with Centum VP and ProSafe-RS systems.
• Hardware Support: Connects Safety Control Units (SCU) to Safety Node Units (SNU).
• Mounting:
  • Secure via integrated connector screws to maintain ground path.
  • Maintain a minimum bend radius of 10× cable diameter during routing.

Logistics and Warranty

• Shipping Window: Guaranteed 24-48 hour dispatch for YCB301-C800.
• Express Delivery: Tracked shipping via FedEx, UPS, and DHL.
• Quality Guarantee: 12-month comprehensive replacement warranty.
• Protective Packaging: Shipped in industrial moisture-barrier seals.

Diagnostic and Application Scenarios

• Diagnostic Integrity: High-density shielding prevents packet loss in EMI-heavy areas.
• Refinery Use: Interconnecting I/O racks within localized DCS cabinets.
• Safety Networks: Establishing redundant communication paths in safety-critical loops.
• Durability: Molded strain relief prevents internal conductor fatigue at connection points.

FAQ & Purchasing Guide

• Question: Why is the 120Ω impedance rating critical for the YCB301-C800?
• Answer: The ESB Bus uses high-speed serial protocols. The YCB301-C800 ensures proper impedance matching to prevent data-corrupting reflections.
• Question: Can I daisy-chain two YCB301-C800 cables to reach 16 meters?
• Answer: No. For distances over 8m, Yokogawa requires Optical ESB Bus Repeaters to maintain signal timing and safety compliance.
• Question: Is the YCB301-C800 jacket resistant to industrial oils?
• Answer: Yes, the jacket is rated for harsh environments (-40°C to +80°C), though conduit is recommended for constant chemical exposure.
• Question: How do I verify the YCB301-C800 is correctly installed?
• Answer: Ensure both 36-pin locking screws are hand-tightened. This provides the necessary mechanical stability and electrical grounding.
• Question: What is the benefit of the -C800 over shorter versions?
• Answer: The -C800 provides the maximum allowable electrical distance (8m) for cross-cabinet or large rack-room interconnections.

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