Description

Yokogawa YCB141-M025 Coaxial Bus Cable

The Yokogawa YCB141-M025, also cataloged as the YCB141 Coaxial Bus Cable, operates as a dedicated hardware component for high-speed, low-latency V net and ER bus communication within CENTUM VP and ProSafe-RS systems.

HardwareSpecifications

Parameter	Specification
ModelBrand	Yokogawa YCB141-M025
Origin	Japan
Weight	Standard coaxial cable mass per 25 m length
Dimensions	25 m length, nominal diameter per 10BASE-2 standard
OperatingTemp	-20 degC to +70 degC
PowerConsumption	Passive cable, negligible load
CableLength	25 meters
NominalImpedance	75 Ohm
FrequencyRange	DC to 3 GHz
ConductorMaterial	High-conductivity Oxygen-Free Copper
DielectricMaterial	Foamed Polyethylene
Shielding	Dual-layer (Braided and Foil) EMI protection
Jacket	Flame-retardant Industrial Grade
SupportedNetworks	V net, ER bus, ESB bus, RIO bus
Compliance	10BASE-2 Ethernet Standards
Condition	100% Brand New and Original

Process Control Network Features

The cable supports channel-to-channel isolation to mitigate cross-talk and maintain signal integrity within multi-channel DCS architectures. It is compatible with 4-20 mA HART loop protocol signaling and accommodates FOUNDATION Fieldbus/Profibus PA connectivity for integrated process instrumentation. Cold junction compensation (CJc) is preserved across bus terminations to maintain accurate analog signal transmission.

Frequently Asked Questions

Q: Does the YCB141-M025 support hot-swap installation?
A: The cable is passive; while connectors may be hot-pluggable depending on the terminal block, the cable itself must be installed following network downtime or controlled isolation procedures.

Q: What is the recommended grounding method for the shielding?
A: Both braided and foil shields must be connected to the system ground at one end to minimize EMI without creating ground loops.

Q: Can this cable be extended beyond 25 meters?
A: Yes, network segments can be extended using sequential suffix codes (up to -M185). Segment length must follow Yokogawa network guidelines to maintain data integrity.

Field Installation Guidelines

1. Route the cable away from high-current power lines to reduce EMI exposure.
2. Maintain minimum bending radius of 50 mm during installation.
3. Ensure BNC or terminal block connectors are properly torqued to manufacturer specifications.
4. Connect shielding to system ground at one end only; avoid dual-end grounding that can create ground loops.
5. Verify continuity and impedance with a network tester before bringing the system online.
6. Avoid physical compression or kinking of the cable, which may alter impedance and signal quality.

Specifications

• Brand: Yokogawa

Advantages

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