Product Details
Configured for digital output signal routing in PlantCruise by Experion platforms, the Honeywell 51155506-120 (51155506-120 DO Relay Cable Assembly) provides direct physical/electrical execution. It establishes a 20-meter point-to-point interface between controller output channels and field relay modules, driving switching loads across extended cabinet distances.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51155506-120 |
| Brand | Honeywell |
| Origin | USA |
| Dimensions | 20 m Length |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | Passive Component (0 W) |
| Cable Type | DO (Source) Relay Cable Assembly |
| Isolation Voltage | 1500 V AC |
| System Compatibility | Honeywell PlantCruise by Experion |
Channel-to-Channel Isolation & Loop Protocol Integration
The 51155506-120 cable assembly incorporates individual conductor insulation paths that preserve galvanic isolation boundaries between adjacent output circuits. Over its 20-meter length, the cable construction minimizes capacitive coupling and cross-channel cross-talk during discrete switching events. This maintains signal integrity across cabinet enclosures where sourcing relay connections route parallel to 4-20 mA HART loop protocol field wiring.
Frequently Asked Questions
Q: Can the 20-meter 51155506-120 cable assembly be shortened in the field to fit smaller enclosures?
A: Cutting or resplicing factory-molded cable assemblies compromises internal shielding, alters conductor resistance, and invalidates terminal strain relief. The cable must be installed at its factory-terminated length.
Q: Does the 51155506-120 cable assembly support hot-plugging during active controller operation?
A: Connecting or disconnecting the cable while the digital output module is energized can cause inductive arc transients across relay terminals. Power to the associated DO field channels should be de-energized prior to mating or unmating the connector.
Field Installation Guidelines
- De-energize all field power sources and output module backplane power before attaching or removing the cable assembly.
- Align the connector orientation keys precisely with the interface header on the termination assembly prior to seating.
- Route the 20-meter assembly through dedicated low-voltage cable raceways, maintaining a minimum 30 cm separation from high-voltage AC power lines to avoid electromagnetic interference.
- Secure the cable harness along the run using cable ties, ensuring bend radii do not exceed factory strain limits to prevent conductor fatigue.
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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