Description

Yokogawa YCB301-C020 ESB Bus Cable

The Yokogawa YCB301-C020 serves as the primary YCB301 ESB Bus Cable utilized to execute high-speed Extended System Bus communication between FCU and ESB Bus node units across CENTUM VP and CENTUM CS 3000 platforms. The YCB301-C020 incorporates a 36-pin to 36-pin connection structure and a fixed cable length of 20 cm for short-distance cabinet interconnections.

Suffix Breakdown & Model Matrix

Parameter	Specification
Base Model	YCB301
Product Type	ESB Bus Cable
Suffix Code	C020
Connector Configuration	36-pin to 36-pin
Cable Length	20 cm
Bus Architecture	Extended System Bus (ESB)
Intended Application	FCU-to-Node Unit or Node-to-Node Interconnection

Hardware Specifications

Parameter	Specification
Model	YCB301-C020
Brand	Yokogawa
Origin	Japan
Operating Temp	0 to 60 degC
Power Consumption	Passive cable, no power consumption specified
Product Type	ESB Bus Communication Cable
Connector Type	36-pin to 36-pin high-density connectors
Cable Length	20 cm
Bus Type	Extended System Bus (ESB)
Transmission Speed	128 Mbps
Redundancy Support	Dual-redundant architecture capable
Shielding	EMI/RFI shielding
Installation Application	Internal cabinet and rack interconnection

Channel-to-Channel Isolation and DCS Communication Paths

Within Yokogawa FIO system architectures, ESB communication links operate independently from analog process signal paths such as 4-20 mA loops. The YCB301-C020 functions exclusively as a digital communication medium between FCUs and ESB node units. Proper connector engagement, shielding continuity, and controlled cable routing contribute to signal integrity within densely populated DCS cabinets where multiple communication channels operate in parallel.

Frequently Asked Questions

Q: Does the YCB301-C020 require external power for operation?
A: No. The cable is a passive communication component and does not consume operating power.

Q: Can the YCB301-C020 be used between non-adjacent cabinet sections?
A: The specified cable length is 20 cm. Installation suitability depends on physical spacing and routing requirements between connected devices.

Q: Does the cable support redundant ESB configurations?
A: Yes. The cable is designed for use within ESB architectures that support dual-redundant communication arrangements when installed according to system requirements.

Field Installation Guidelines

• Verify connector orientation before insertion to prevent pin damage.
• Use the cable only where the 20 cm length permits installation without tensile stress.
• Maintain shielding continuity according to cabinet grounding practices.
• Avoid routing the cable adjacent to high-current power conductors or switching devices where electromagnetic interference may be present.
• Do not exceed the manufacturer's recommended bend radius during installation.
• Confirm latch engagement on both 36-pin connectors after installation.
• Perform communication diagnostics following cabinet assembly and system commissioning.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems