Configured for deterministic, low-latency communication in CENTUM VP, CS 3000, and ProSafe-RS control systems, the Yokogawa YCB301-C100 (YCB301 ESB Bus Cable) provides direct physical execution between Field Control Units (FCUs) and node units.
| Model / Suffix Code | Description / Specification |
|---|---|
| YCB301 | ESB Bus Cable (36-pin to 36-pin) |
| -C100 | Cable length: 1 m |
| Parameter | Specification |
|---|---|
| Model | YCB301-C100 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.5 kg |
| Dimensions | Length 1 m (36-pin to 36-pin connectors) |
| Operating Temp | -20 to +80 deg C |
| Storage Temp | -40 to +85 deg C |
| Cable Type | Shielded ESB Bus Cable |
| Conductor Material | High-conductivity copper |
| Wire Gauge | 24 AWG typical |
| Insulation Material | PVC, flame-retardant UL 94V-0 |
| Shielding | Foil plus braided shield, >90% coverage |
| Voltage Rating | 60 VDC |
| Nominal Impedance | 100 ohm |
| Propagation Delay | <= 5 ns/m |
| Capacitance | <= 50 pF/m |
| Flex Life | > 1,000,000 bending cycles |
| System Compatibility | CENTUM VP, CENTUM CS 3000, ProSafe-RS |
The Yokogawa YCB301-C100 cable relies on high-coverage dual shielding consisting of aluminum foil combined with a tinned copper braid exceeding 90% coverage. This physical arrangement minimizes external electromagnetic interference (EMI) and cross-talk across its 36 conductors during high-speed ESB bus data transmissions. Furthermore, the 100-ohm nominal differential impedance matches the driver and receiver circuits of CENTUM series bus interface modules, maintaining low signal propagation latency under 5 ns/m and limiting total line capacitance below 50 pF/m.
Q: What physical latching mechanism prevents intermittent disconnection during operational vibration?
A: The 36-pin connectors at both cable ends integrate heavy-duty mechanical locking latches that physically secure the plug to the interface headers on the Field Control Unit and expansion node chassis.
Q: Is the YCB301-C100 ESB bus cable hot-swappable during active node operation?
A: Disconnecting or connecting the ESB bus cable while the controller and node units are powered disrupts the active hardware communication loop and triggers bus communication fault alarms within the control software. Power to the expansion node sub-rack must be managed per system maintenance protocols prior to cable replacement.
Q: How does the cable construction resist physical wear inside industrial enclosures?
A: The cable assembly utilizes a flame-retardant UL 94V-0 compliant PVC jacket that offers high flex performance exceeding 1,000,000 bending cycles along with industrial-grade oil and abrasion resistance.
Engineers must adhere to standard field installation procedures when routing the YCB301-C100 cable through control cabinets and inter-panel race channels:
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