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YOKOGAWA YCB301-C600 ESB Bus Cable

Configured for high-speed signal transmission within CENTUM VP distributed control systems, the YOKOGAWA YCB301-C600 (YCB301-C600 Control Bus Interface Cable) provides direct physical and electrical execution of deterministic data exchange between Field Control Units and I/O node units.

Hardware Specifications

Parameter Specification
Model YCB301-C600
Brand YOKOGAWA
Origin Not specified
Weight 0.24 kg
Dimensions 600 mm (Length)
Operating Temp Industrial-grade ratings
Power Consumption Passive (Bus powered)
Cable Type Shielded twisted-pair ESB bus cable
Connector Type 9-pin D-sub
Transmission Speed 128 Mbps

Channel-to-Channel Isolation and DCS Connectivity

The YCB301-C600 maintains data integrity across the ESB bus by utilizing a shielded twisted-pair construction, which is required to mitigate electromagnetic interference in high-noise industrial environments. The cable provides robust physical connectivity between the EC401/EB511 bus modules and remote I/O node units, ensuring that the 128 Mbps throughput remains stable. Strict channel-to-channel isolation is preserved through the D-sub connector interface, preventing signal crosstalk that could otherwise degrade the deterministic timing of the DCS control cycle. Proper routing of this cable within the cabinet ensures that communication latency stays within the prescribed limits for CENTUM VP architectures.

Frequently Asked Questions

Q: Is the YCB301-C600 compatible with longer transmission distances?

A: No, the YCB301-C600 is specifically rated for a maximum transmission distance of 10 m when utilized as an ESB bus interface. Exceeding this length will cause signal attenuation and packet loss, necessitating the use of optical ESB bus extenders for remote node connectivity.

Q: Does the cable support hot-plugging during active DCS operation?

A: While the ESB bus architecture is designed for high availability, hot-plugging the YCB301-C600 while the control station is powered is not recommended. Disconnecting or connecting bus cables while the processor is active can trigger transient faults or communication error logs in the CENTUM VP system.

Field Installation Guidelines

  1. Inspect the 9-pin D-sub connectors for bent pins or debris before termination to ensure a secure physical connection.
  2. Route the cable through designated signal cable trays, maintaining physical separation from high-voltage AC power lines to avoid induced interference.
  3. Tighten the connector thumb screws fully to ensure proper chassis grounding of the cable shield.
  4. Ensure the cable maintains a minimum bend radius according to standard industrial cabling practices to prevent inner conductor strain or shielding damage.
  5. Verify the communication status on the CENTUM VP engineering station after installation to confirm that the node units are correctly addressed and synchronized.

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