Product Details
The Honeywell 51196939-100, also cataloged as the 51196939-100 Communication Cable, operates as a dedicated hardware component for high-integrity data transfer between controllers, I/O modules, and peripheral devices within Honeywell PLC and DCS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51196939-100 |
| Brand | Honeywell |
| Origin | USA |
| Dimensions | 1-3 meters standard length |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Passive physical assembly |
| Product Type | Communication Cables |
| Cable Construction | Shielded twisted-pair for EMI protection |
| Connector Type | Honeywell proprietary industrial connectors |
| Operating Humidity | 5% to 95% RH, non-condensing |
Process Control and DCS Instrumentation Characteristics
The 51196939-100 cable maintains high signal fidelity across distributed control networks by shielding low-voltage data paths from adjacent power conduits. Designed for seamless interface with DCS backplanes, the shielded twisted-pair construction minimizes signal attenuation and high-frequency noise during real-time telemetry processing. This electromagnetic noise immunity protects digital variable transmission associated with 4-20 mA HART loop protocol instruments and preserves reference signal integrity for downstream thermocouple processing modules utilizing cold junction compensation (CJC).
Frequently Asked Questions
Q: Can the 51196939-100 cable be plugged in or disconnected while the control module backplane is powered?
A: Disconnecting active communication cables during process operations can interrupt network polling and trigger bus fault errors. Ensure associated control loops are transferred to manual mode or power off the local rack segment before disconnection.
Q: How is ground loop prevention handled across the cable shielding?
A: The integral cable shield connects directly through the metallic shield terminal of the Honeywell proprietary connectors, grounding via the rack chassis ground terminal to dissipate induced radio frequency and electromagnetic interference.
Field Installation Guidelines
- Inspect the cable jacket and proprietary connectors for pin alignment, bent contacts, or jacket abrasion before routing.
- Maintain minimum bending radius limits along wire raceways to prevent internal mechanical strain on the twisted-pair conductors.
- Route the communication assembly in dedicated low-voltage instrument trays, physically separated from high-voltage AC lines.
- Fully seat both proprietary connectors into their respective module or rack ports until the integrated locking tabs engage firmly.
- Verify cabinet grounding continuity to ensure effective EMI suppression across the entire cable length.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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