Configured for multi‑drop signal routing in UCN‑based industrial assemblies, the Honeywell 51195479-300 (51195479-300 I/O link cable) provides direct physical/electrical execution of shielded 4‑drop communication paths. The assembly maintains controlled impedance and noise‑limited transmission for module‑to‑module I/O link distribution.
Hardware Specifications
Parameter
Specification
Model
51195479-300
Brand
Honeywell
Origin
Not specified
Weight
Approx. 0.39 lbs (0.18 kg to 0.45 kg depending on revision packaging)
Dimensions
Not specified
Operating Temp
60 deg C rating
Power Consumption
Passive cable assembly
Core Performance Indicators
4‑drop shielded I/O link cable set, 300 V rating
Channel‑to‑Channel Isolation and Fieldbus Behavior
The shielded construction of the 51195479-300 supports stable operation in systems hosting 4‑20 mA HART or Fieldbus‑based modules. Proper drain‑wire termination reduces cross‑talk between adjacent drops, maintaining deterministic timing for UCN‑linked controllers. The cable’s shielding geometry minimizes induced noise from nearby AC feeders, preserving signal integrity during high‑density routing.
Frequently Asked Questions
Q: Can the 51195479-300 be used for mixed analog and digital drops? A: Yes. The shielded assembly supports multi‑drop routing, but analog conductors should maintain separation from high‑frequency digital paths when possible.
Q: Does the cable support hot‑swap of connected modules? A: Hot‑swap capability depends on the connected I/O hardware. The cable itself does not restrict live replacement, but system backplane rules must be followed.
Q: Is the shield drain required to be grounded at both ends? A: Typically, single‑end grounding is recommended to avoid ground‑loop formation unless the installation standard specifies otherwise.
Field Installation Guidelines
Maintain shield continuity from connector to termination block to ensure proper noise suppression.
Route the cable away from high‑voltage or high‑current conductors to reduce electromagnetic coupling.
Avoid tight bend radii that may deform the shield layer.
Use strain‑relief clamps when entering cabinets or junction boxes.
Verify drop numbering alignment before connecting to I/O link modules.
