The Yokogawa YCB301-C300, also cataloged as the YCB301 ESB Bus Cable (36-36 pins), operates as a dedicated hardware component for high-speed inter-node data transmission and signal routing within CENTUM VP control systems.
| Code | Option / Specification | Description |
|---|---|---|
| YCB301 | Base Model | ESB Bus Cable (36-36 pins) |
| -C300 | Cable Length | Cable length 3 m |
| Parameter | Specification |
|---|---|
| Model | YCB301-C300 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.8 kg (Net), 1.5 kg (Shipping) |
| Dimensions | Cable length 3 m (36-pin to 36-pin connector) |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Passive bus component |
| Cable Type | ESB Bus Cable (36-36 pins) |
| Connector Type | Dual 36-pin high-density connectors |
| Bus Protocol | ESB bus communication |
| Environmental Limits | Humidity 5 to 95% RH (non-condensing) |
| System Platform | CENTUM VP / ProSafe-RS |
Designed for high-integrity inter-unit interconnectivity, the YCB301-C300 cable bridges communication nodes across the ESB bus architecture. It transfers high-frequency digital control signals and process variables between the Field Control Unit (FCU) and system extension nodes. Integrated shielding ensures comprehensive channel-to-channel isolation and EMI suppression, preventing ground loops and signal corruption across distributed process control loops, including 4-20 mA HART loop protocol interfaces.
Q: What physical connectors are integrated on the YCB301-C300 cable?
A: The cable is terminated with dual 36-pin high-density male connectors designed for direct engagement with ESB bus interface ports.
Q: Can the YCB301-C300 cable be hot-swapped during active DCS operation?
A: Disconnecting the primary ESB bus cable during operation interrupts node communication; redundant bus configurations must be active and validated before replacing an individual cable line.
Inspect the 36-pin connectors on the YCB301-C300 for bent pins or debris prior to installation. Align the connector squarely with the ESB bus interface port on the module or base unit, then press firmly until fully seated. Tighten the integral side locking screws using a standard screwdriver to ensure solid electrical grounding and prevent accidental disconnection due to field vibration. Route the 3 m cable away from heavy AC power wiring, variable frequency drives, and high-voltage conduits to eliminate cross-talk and electromagnetic interference. Maintain minimum bending radius limits along the cable run to avoid internal conductor stress.
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