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YOKOGAWA AKB336-M002 Signal Cable

The YOKOGAWA AKB336-M002, also cataloged as the AKB336 Signal Cable, operates as a dedicated hardware component for high-density interconnection within CENTUM VP/CS network platforms. The passive multi-core assembly contains 50 pins to execute point-to-point shielded signal transmission inside industrial control cabinets. This component establishes the direct electrical connection path that routes low-voltage analog and digital control loops between field I/O modules and localized terminal boards.

Hardware Specifications

Parameter Specification
Model AKB336-M002
Brand Yokogawa
Origin Japan
Weight 0.6 kg
Dimensions 200 x 1.3 x 1.3 cm (2.0 meters total length)
Operating Temp -20 to +60 deg C
Power Consumption Passive cable (0 W)
Cable Type High-density multi-core signal cable
Connector Side A 50-pin high-density connector
Connector Side B 50-pin high-density connector
Rated Voltage 30 VAC/DC maximum
Rated Current 1 A per pin maximum
Withstanding Voltage 500 VAC for 1 minute
Insulation Resistance 100 Mohm or greater at 500 VDC
Conductor Resistance 120 ohm/km or less at 20 deg C
Minimum Bending Radius 80 mm
Shielding Structure Braided copper + aluminum foil
Sheath Material Flame-retardant PVC
HS Code 8537101190

Process Control & DCS Module Attributes

The interconnection assembly utilizes dedicated shielding boundaries to support the 4-20 mA HART loop protocol across dense cabinet arrays. Dual-layer braided copper and aluminum foil wrapping maintains strict channel-to-channel isolation, preventing signal deterioration between adjacent voltage loops. This construction blocks external electromagnetic interference (EMI) from corrupting low-voltage signal waveforms. The factory-molded 50-pin connections preserve high-integrity lines to field control stations, eliminating terminal voltage drops and stabilizing cold junction compensation (CJC) reference paths at the connected terminal boards.

Frequently Asked Questions

Q: Can installation technicians cut or shorten the 2.0 meter cable to fit custom layout dimensions?

A: No, field modification ruins factory calibration and damages the internal shielding structure. Altering the jacket voids the technical tolerances for conductor resistance and insulation limits.

Q: How does the cable infrastructure mitigate high-frequency electrical interference from neighboring switchgear?

A: The combined aluminum foil layer and braided copper shield intercept radio frequency and electromagnetic fields, routing the induced electrical currents safely away from the internal 50-pin signal cores.

Field Installation Guidelines

  • Connector Engagement Alignment: Direct the 50-pin male plug straight into the module header port to prevent pin bending. Tighten all integrated retaining screws or latching clips fully to lock the physical junction against machine vibrations.
  • Bending Radius Enforcement: Route the multi-core body through dedicated cabinet wireways, ensuring the assembly maintains a bending radius larger than 80 mm. Sharp turns compress the inner insulation layers and induce conductor stress fractures.
  • Shield Grounding Connection: Terminate the integrated ground drain wire at the designated chassis grounding bar inside the CENTUM cabinet enclosure. Keep ground terminations uniform at a single point to prevent circulating ground currents from introducing signal noise.
  • Power Line Separation distance: Maintain a minimum physical spacing separation of 100 mm between these low-voltage signal wires and heavy AC power distribution mains to eliminate inductive noise coupling.

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