Product Details
The Honeywell 51202902-200 serves as the primary 51202902 Shielded PLC Communication Cable utilized to execute real-time discrete or analog data transmission across Honeywell distributed control system platforms. The assembly establishes low-impedance physical signal paths through tinned copper conductors to route control bus sequences between processing nodes and terminal panels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51202902-200 |
| Brand | Honeywell International Inc. |
| Origin | USA |
| Weight | 0.2 kg |
| Dimensions | Extended length (typically 5-10 meters) |
| Operating Temp | -20 to +80 deg C |
| Power Consumption | Passive Component (Zero active load) |
| Cable Type | Shielded multi-core industrial communication cable |
| Conductor Material | Tinned copper |
| Insulation Material | PVC/ XLPE |
| Shielding Structure | Aluminum foil with braided shield |
| Characteristic Impedance | 120 ohms +-10% |
| Voltage Rating | 300 V |
| Storage Temperature | -40 to +85 deg C |
| Outer Jacket | Industrial-grade protective jacket |
Honeywell DCS Channel-to-Channel Isolation Parameters
The hardware assembly relies on its multi-core PVC/XLPE dielectric insulation matrix to assist the host architecture in maintaining standardized channel-to-channel isolation limits. Combined with an aluminum foil and braided shield layer, this topology suppresses inductive cross-talk and provides common-mode noise rejection across the 120 ohms transmission line, preventing voltage spikes from degrading loop values.
Frequently Asked Questions
Q: Can this communication cable be unlatched while the linked PLC modules are actively running processing loops?
A: No, the connection interface lacks live hot-swap disconnect protection; standard operating protocol requires the related rack power supply to be isolated prior to cable removal to prevent digital bus crashes.
Q: What is the physical limitation imposed by the 120 ohms characteristic impedance?
A: The 120 ohms +-10% characteristic impedance matches standard high-speed serial and differential bus standards, requiring termination resistors at network ends to neutralize data reflections.
Field Installation Guidelines
- Route the shielded multi-core cable through dedicated instrument trays, ensuring physical spacing from high-voltage motor starters or AC switchgear lines to minimize noise induction.
- Maintain standard bending radius tolerances during layout routing to prevent elongation of the aluminum foil or deformation of the braided shield structure.
- Terminate the integrated shield drain element to a single low-impedance master instrument earth bar within the local panel enclosure.
- Verify all terminal clamping hardware matches standard tension requirements to resist ongoing industrial ambient vibration breakdown.
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.
Tech & Buying Guide
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Demystifying CPU Communication Ports in Siemens PLC Architectures
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Mastering the Siemens PLC Scan Cycle: How the CPU Executes Automation Programs
Industrial automation relies heavily on programmable logic controllers (PLCs) to manage complex manufacturing processes. Many engineers dive straight into programming without mastering the underlying architecture. However, understanding how a PLC CPU executes a program ensures reliable system design. Therefore, mastering the scan cycle optimizes both performance and troubleshooting in modern control systems.