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Yokogawa YCB301-C600 ESB Bus Cable

The Yokogawa YCB301-C600, also cataloged as the YCB301 ESB Bus Cable, operates as a dedicated hardware component for high-speed node-to-node communication within CENTUM VP and CENTUM CS 3000 Distributed Control Systems. The YCB301-C600 features a 36-pin to 36-pin configuration and a nominal cable length of 6 meters for short-range inter-cabinet connections.

Suffix Breakdown & Model Matrix

Parameter	Specification
Base Model	YCB301
Product Type	ESB Bus Cable
Suffix Code	C600
Connector Configuration	36-pin to 36-pin
Nominal Cable Length	6.0 m
Intended Application	FCU-to-Node Unit or Node-to-Node Interconnection

Hardware Specifications

Parameter	Specification
Model	YCB301-C600
Brand	Yokogawa
Origin	Japan
Weight	~0.95 kg/meter
Dimensions	Outer diameter ~12.5 mm
Operating Temp	-10 to +60 degC
Power Consumption	Passive cable, no power draw
Cable Type	Shielded Twisted Pair (STP)
Connector Type	36-pin to 36-pin bus connectors
Nominal Length	6.0 m
Maximum Voltage	30 VDC
Maximum Current	2 A per line
Insulation Resistance	≥ 500 MΩ at 500 VDC
Withstanding Voltage	1000 VAC for 1 minute
Shielding	EMI/RFI high-density shielding
Minimum Bend Radius	80 mm
Application Environment	Industrial-grade, Pollution Degree 2

Channel-to-Channel Isolation and DCS Communication Paths

The YCB301-C600 maintains physical separation of digital communication paths from 4-20 mA analog loops within Yokogawa DCS architectures. Shielded twisted-pair cabling reduces crosstalk and EMI susceptibility, ensuring signal integrity across high-density ESB node layouts. Proper connector engagement and routing minimize transmission errors in dual-redundant or multi-node configurations.

Frequently Asked Questions

Q: Can the YCB301-C600 support dual-redundant ESB communication?
A: Yes. When installed according to system guidelines, the cable supports redundant ESB connections between nodes.

Q: Does the cable require any external power supply?
A: No. The YCB301-C600 is a passive component and does not consume power.

Q: What is the recommended installation bend radius?
A: The minimum bend radius is 80 mm. Exceeding this may compromise signal integrity or damage the cable.

Field Installation Guidelines

• Confirm 36-pin connector orientation before insertion.
• Avoid tension or sharp bends that violate the 80 mm minimum bend radius.
• Ensure shielding continuity and proper grounding according to cabinet practices.
• Route cables away from high-current power lines and sources of electromagnetic interference.
• Verify secure latching on both connectors after installation.
• Perform functional communication tests after connecting nodes to ensure data integrity.

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