Honeywell 51197155-300 Control System Communication Interface Module

Overview

The Honeywell 51197155-300 is a system-level communication and interconnection component developed for Honeywell TDC 3000 and Experion PKS Series C control platforms. It is designed to provide stable signal transmission between controllers, I/O subsystems, and external field devices in distributed control environments.

Depending on system architecture and deployment requirements, this part may be supplied as a compact interface module or as a factory-terminated shielded PLC communication cable. Regardless of form factor, its primary role is to maintain consistent and noise-resistant data exchange within Honeywell control networks.

Functional Characteristics

The 51197155-300 supports controller-to-I/O and controller-to-device communication paths used in discrete and analog control strategies. When installed as a module, it operates as an interface node supporting serial field communication. In cable form, it acts as a dedicated interconnect between control hardware and peripheral devices.

The component is engineered for long-term use in continuous-operation environments where signal integrity, grounding, and EMI protection are critical.

Electrical and Communication Specifications

When supplied as a module configuration, the 51197155-300 operates using low-voltage control power and supports multi-drop serial communication:

• Supply Voltage: 24 VDC

• Typical Current Draw: 100 mA

• Communication Protocol: RS-485 serial interface

• Protocol Compatibility: Modbus RTU

• Network Capacity: supports up to 128 addressable devices per segment

For cable assemblies, the electrical characteristics depend on the connected hardware, while shielding and grounding are optimized for industrial noise immunity.

Mechanical and Physical Data

• Enclosure or Assembly Size: 5 × 5 × 0.5 inches

• Weight: 0.5 lb

• Connector Type (cable version): DB9 industrial connector

• Standard Cable Length: 10 ft (3.05 m)

• Cable Construction: shielded PVC jacket with EMI suppression

Environmental Operating Limits

The Honeywell 51197155-300 is qualified for installation in industrial control cabinets and process environments:

• Operating Temperature Range: –20 °C to +60 °C

• Storage Temperature Range: –40 °C to +85 °C

• Relative Humidity: up to 95%, non-condensing

Typical Applications

This component is commonly used in Honeywell distributed control and hybrid PLC/DCS systems, including:

• Controller-to-I/O subsystem communication

• Serial field device integration

• Discrete and analog process control networks

• Migration or expansion of TDC 3000 systems into Experion PKS Series C architectures

Compatibility Notes

The 51197155-300 is intended for use with Honeywell control platforms only. System documentation should be consulted to confirm whether a module or cable version is required for a specific cabinet or node configuration.

Frequently Asked Questions

Q: Is the 51197155-300 always supplied as a module?
A: No. This part number may represent either a communication interface module or a pre-assembled PLC communication cable, depending on the system design and order configuration.

Q: Does this component support modern Ethernet protocols?
A: No. The 51197155-300 is designed for serial RS-485 communication and is typically used in legacy or hybrid Honeywell control networks.

Q: Can it be used outside Honeywell systems?
A: It is not recommended. Electrical characteristics and pin assignments are optimized specifically for Honeywell TDC 3000 and Experion PKS Series C hardware.