Product Overview

The Yokogawa YCB301-C200 serves as a vital data highway within the CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). This 2-meter ESB (Enhanced Service Bus) cable facilitates the high-speed, deterministic connection between Field Control Units (FCUs) and node units such as the ANB10 or ANB11. Engineered for mission-critical automation, it enables the millisecond-level data synchronization required to manage complex control loops and safety instrumented functions in large-scale industrial plants.

In environments prone to electrical interference, such as power generation or petrochemical facilities, the YCB301-C200 provides superior signal protection. Its advanced foil shielding effectively neutralizes electromagnetic interference (EMI), ensuring that critical process variables and control commands are transmitted without corruption. The industrial-grade 36-pin connectors are built to withstand the physical rigors of high-vibration cabinets, maintaining a consistent, low-latency link across the entire system backplane.

Technical Configuration

The YCB301-C200 model utilizes a structured suffix system to specify its physical application within the DCS network architecture.

Model Suffix Breakdown

• YCB301: Designates the primary ESB Bus Cable series, featuring proprietary high-density 36-pin connectors designed for Yokogawa FIO (Field Internal Operator) systems.

  
  

• -C200: Defines the exact physical length of the cable. The "200" indicates a 2.0-meter span (approximately 6.56 feet), offering sufficient length to bridge multiple node units or connect across adjacent cabinet sections.

  
  

Technical Specifications

Installation Guide

Correct deployment of the YCB301-C200 ensures maximum system uptime. Engineers should implement the following best practices:

Connector Integrity

Firmly seat the 36-pin connectors into the designated ESB ports on the FCU or node module. Secure the integrated thumb-screws by hand to ensure a stable electrical connection. Over-tightening with tools is unnecessary and can damage the module's backplane interface.

Routing and EMI Prevention

Use the 2-meter length to route the cable through dedicated communication cable trays. Avoid placing the bus cable directly adjacent to high-current power cables or variable frequency drives (VFDs) to prevent inductive noise coupling, despite the cable's internal shielding.

Bend Radius Compliance

Never subject the cable to sharp 90-degree kinks. Maintain a minimum bending radius of 45 mm at all times. Stressing the internal conductors or shielding layer through excessive bending can lead to intermittent CRC (Cyclic Redundancy Check) errors or bus failure alarms in the system diagnostic logs.

Engineering Advantages

The YCB301-C200 is specifically designed to eliminate the "Bus Fault" issues common with non-original accessories. Its gold-plated contact points prevent micro-oxidation, which is the primary cause of intermittent signal loss in humid or corrosive industrial environments. Furthermore, its rugged outer jacket is resistant to chemical splashes and mechanical abrasion, ensuring it survives the lifespan of the DCS hardware. By choosing this genuine Yokogawa cable, you maintain the full E-E-A-T standards of your facility's control architecture and ensure seamless integration with the system's real-time diagnostic and self-calibration tools.

Delivery and Logistics

We maintain a ready-to-ship stock of YCB301-C200 cables to support urgent maintenance and project expansion.

• Delivery Time: 3-5 days when payment finish.

• Shipping Carriers: Global express shipping by DHL, FEDEX, or UPS.

• Packaging: Shipped in a new, original sealed pack with full protection for the connectors.

Technical FAQs

Q1: Can I use the YCB301-C200 for V net communication?

A1: No. This cable is specifically for the ESB Bus. V net communication requires different coaxial (YCB141) or twisted pair (YCB111) cables depending on the network type.

Q2: Is this cable compatible with redundant node units?

A2: Yes. In redundant setups, you must use two separate cables—one for the primary bus and one for the secondary bus—to ensure full system availability.

Q3: What should I check if I get an "ESB Bus ERR" lamp on the node unit?

A3: First, verify that both ends of the YCB301-C200 are securely fastened with the thumb-screws. If the error persists, inspect the cable for physical damage or sharp bends that exceed the 45 mm limit.

Q4: Does the length of 2 meters affect data speed?

A4: No. The ESB architecture is designed for deterministic high-speed performance at this distance. As long as you stay within the 2-meter specification for this model, signal latency remains within system tolerances.