ABB PXRFP4LR 1KHL015107R0001 Relay Output PLC Module

Overview

The PXRFP4LR (1KHL015107R0001) is a high-reliability relay output module for ABB distributed control systems, including Symphony Plus, Harmony, and INFI 90 platforms. Engineered for demanding industrial environments, it enables direct digital control of field devices such as motors, solenoid valves, alarms, and indicator lights while providing robust electrical isolation for enhanced operational safety.

Technical Specifications

Key Features

• 4-channel relay output for direct load switching

• Full electrical isolation between relay channels and logic circuitry

• Supports both AC and DC devices, including motors, solenoids, and alarms

• Compact, rugged design suitable for harsh industrial conditions

• Seamless integration with ABB Symphony Plus, Harmony, and INFI 90 systems

• Multi-protocol communication: PROFIBUS DP, Modbus, EtherNet/IP

Applications

This module is ideal for industrial automation processes where reliable relay outputs are required. Typical use cases include:

• Controlling small motors and pumps

• Operating solenoid valves and pneumatic actuators

• Driving alarms, indicators, and signal lamps

• Integration into distributed control system (DCS) networks for process automation

FAQ

Q: Can the module switch inductive loads?
A: Yes, it is designed for resistive and low-inductive loads; consult ABB documentation for high-inductive load derating.

Q: Is the module hot-swappable?
A: No, it requires power-down for safe installation or removal.

Q: Are there comparable models?
A: ABB PXRFP4LR is functionally similar to ABB PXRFP4 and PXRFP4L modules but with updated isolation and communications options.