Honeywell 51204126-002 High-Level Analog Input Cable Set

Overview

The 51204126-002 is a Honeywell-engineered high-level analog input cable assembly designed to provide stable, low-noise signal transmission between Honeywell I/O modules and Field Termination Assemblies (FTAs). This cable set is specifically intended for use in Honeywell legacy and current distributed control system architectures where signal integrity and electrical protection are critical.

Built with industrial-grade shielding and integrated link protection, the cable supports continuous operation in electrically noisy process environments while maintaining accurate analog signal delivery.

Key Identification

Model: 51204126-002 Product Name: PM Power Cable Set with Link Protection Category: High-Level Analog Input Interface Cable Brand: Honeywell

Technical Characteristics

The cable assembly is optimized for high-level analog measurement loops commonly used with field transmitters and process instrumentation.

• Cable construction: Shielded twisted pair with industrial insulation
• Nominal cable length: 2 meters
• Supported signal types:
  • 4–20 mA current loops
  • 1–5 VDC analog voltage signals
• Integrated protection: Link protection for enhanced module and loop safety
• Connector type: Honeywell proprietary interface for I/O modules and FTAs
• Operating temperature range: -20 °C to +70 °C
• Weight: 1.60 lbs
• Mechanical rating: Vibration-resistant, plant-floor rated
• Installation: Plug-and-play replacement cable

System Compatibility

The 51204126-002 cable set is compatible with the following Honeywell platforms:

• Honeywell TDC 3000
• Honeywell TPS (TotalPlant Solution)
• Honeywell Experion PKS

It is designed for direct use with Honeywell high-level analog input modules and their corresponding FTAs without the need for additional adapters.

Functional Advantages

• Shielded design minimizes electromagnetic interference in high-noise installations
• Stable signal transmission ensures accurate analog measurement conversion
• Integrated link protection reduces the risk of electrical faults affecting I/O modules
• Compact 2-meter length simplifies cabinet layout and cable management
• Suitable for long-term operation in oil & gas, chemical, power, and manufacturing facilities

Typical Application Scenarios

This cable assembly is used in process control systems where field devices such as pressure transmitters, flow meters, level sensors, and temperature instruments send analog signals to Honeywell control hardware. It serves as the physical interface ensuring that measurement data reaches the control system accurately and reliably.

Frequently Asked Questions

Q: Is this cable suitable for both current and voltage analog signals? A: Yes. The cable supports standard 4–20 mA current loops and 1–5 VDC analog signals.

Q: Does the cable include electrical protection features? A: Yes. The assembly includes link protection to help safeguard connected modules and wiring.

Q: Can this cable be used as a direct replacement? A: Yes. It is designed as a direct-fit replacement for Honeywell systems using this part number.