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Yokogawa YCB111-M025 Vnet Cable

Configured for high-speed deterministic control network communication in CENTUM VP / CS 3000 FCS architectures, the Yokogawa YCB111-M025 (YCB111 Vnet Cable) provides direct physical/electrical execution. The bus component routes real-time process control metrics and data packets between industrial processing hardware elements and distributed field input/output infrastructures.

Layout Configuration Selection: Layout 2

Suffix Breakdown & Model Matrix

The specific alphanumeric configuration defines the core physical length parameters of the serial bus medium. System documentation details the following model matrix allocations for the coaxial routing architecture:

  • YCB111: Base hardware identifier designating the high-speed Vnet communication standard layer.
  • -M025: Suffix variable defining a structural segment execution length of 25 m.
  • -M100: Suffix variable defining a structural segment execution length of 100 m.

Hardware Specifications

Parameter Specification
Model YCB111-M025
Brand Yokogawa Electric Corporation
Origin Japan
Weight 3.75 kg (Calculated value based on 15.0 kg weight specification per 100 m baseline)
Dimensions 25 m physical length parameter
Operating Temp 0 to +60 deg C
Power Consumption Passive signal conductor medium (0 W total operational load)
Physical Network Standard 10BASE-2 coaxial bus specification configuration
System Compatibility CENTUM VP and CS 3000 Field Control Station interfaces
Nominal Line Impedance 50 ohm coaxial architecture line resistance target
External Connection Coaxial matching node adapters and terminal locking assemblies
Storage Temperature -20 to +70 deg C
Humidity Range 5 to 95% RH (non-condensing layout parameters)

Process Control & DCS Instrumentation Technical Attributes

This communication layer connects field control components by providing a clean coaxial medium optimized for 10BASE-2 transmission parameters. The construction establishes rigid physical signal shielding to prevent channel-to-channel isolation degradation and common-mode electrical noise penetration from ambient switching equipment. The system maintains continuous signal matching across the 25 m line to support error-free industrial packet transmission while checking that attenuation figures match the baseline input requirements of the receiving controllers.

Frequently Asked Questions

Q: How do engineers prevent reflections across the passive transmission medium of the YCB111-M025 segment?

A: You must mount matching 50 ohm termination hardware accessories at each terminal boundary of the 10BASE-2 coaxial segment to maintain clean signal transitions.

Q: Does the copper shielding block electrical potential discrepancies between different controller racks?

A: The passive cable shield limits high-frequency noise but does not replace proper ground bonding; you must wire all connected station enclosures to a common clean instrumentation earth ground to block loop currents.

Field Installation Guidelines

  • Conduit Path Verification: Run the flexible coaxial line through dedicated electrical raceways, keeping it away from three-phase industrial motor drive supplies.
  • Bend Geometry Constraints: Observe the physical material limits by tracking a minimum static bend radius of 10 times the outer cable diameter during installation.
  • Connector Joint Mechanical Lock: Clean all coaxial interfaces to clear oil residue before turning the physical bayonet pins until they seat into place.
  • Grounding Trace Attachment: Attach the dedicated shielding ground wire to the system cabinet earth at one side of the network segment to suppress potential interference loops.

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