This document is the operation manual for Micro-controller X Model PXR4/5/9. It provides information on the names and functions of the different parts of the product, as well as instructions on operations and parameter settings.
This manual describes the functions, operation procedures, and parameter settings for the Fuji Electric PXR series temperature controllers (models PXR4, PXR5, and PXR9). It covers front‑panel layout, input signal selection, control output configuration, and communication options.
Key sections include part names and functions, detailed parameter lists, basic operations such as manual/auto mode, ramp‑soak control, alarm handling, and safety precautions for installation and use.
| Front dimensions (PXR4) | 48 × 48 mm |
|---|---|
| Front dimensions (PXR5/9) | 48 × 96 mm / 96 × 96 mm |
| Input signal – Thermocouple (°C) | Supported |
| Input signal – Resistance bulb Pt100 (3‑wire, °C) | Supported |
| Control output 1 – Relay contact | Available |
| Control output 2 – Relay contact | Available |
| Power supply voltage | 100‑240 V AC or 24 V DC |
| Communication protocol | RS485 Modbus and RS485 ASCII |
Use the Canceling the alarm latch function on the front panel.
The PXR4 front panel measures 48 mm × 48 mm.
It supports RS485 Modbus and RS485 ASCII communication.
Set P to a value between 0.0 and 999.9 % using the parameter setting.