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PXR3 Micro Controller

Key Features

  • Precise Control : Achieved a processing speed of 50ms which is 10 times faster than conventional models. Reading accuracy is only improved from ±0.5% to ±0.2%*. (*Comparison under 0-850°C range, with RTD. See the Date Sheet for details.)
  • Easy-to-see display : MVA LCD*which offers high contrast and wide viewing angle. Process value is displayed in white. (*Minimal translucent type vertical alignment liquid crystal display.)
  • Practical Options :
    • Simple watt-hour metering function : Allows you to monitor energy consumption.
    • Operating days Alarm : Tells you the appropriate time for maintenance work.
  • Most Compact class in Industry : 36% smaller (than conventional models) and 58mm depth shallow body helps downsize your facility.
  • Universal Input : You can use any input among RTD, thermocouples, voltage, current and mV. The set-up for input change is very easy, only require parameters change. This allows reduction of maintenance parts.

Product Specification

2Input Type
3Control Output !
4Control Output 2
5Power Supply
6Additional Function
7Alarm Options

Part Number



Input type Universal input: thermocouple, RTD, voltage, current, mV
Sampling rate 50 ms
Accuracy Thermocouple input: either ±1°C ±1 digit or ±0.3% of indicated value ±1 digit, whichever is larger
RTD input: ±0.2% of indication value ±1 digit or ±0.8°C ± 1 digit, whichever is larger
Voltage and current input: ±0.3% FS ± 1digit
Control cycle 0.1 s to 99 s
Output type Relay contact output, SSR/SSC drive output, current output, voltage output, motor-operated valve control output
Control ON/OFF, PID, PID2, fuzzy, 2-degrees-of-freedom PID,
auto tuning, self tuning
Communication Communication port x 1 (for optional USB cable)
RS-485 port x 1 (Modbus RTU protocol)
Other functions Ramp soak (simple program control): up to 64 steps
SV/PID selection: up to 8 groups
Soft start
User-defined keys
Auto/manual switching
Simple watt-hour monitoring
Operating days alarm
Heating/cooling control (option)
Alarm (option)
Multidrop control via RS-485 network, parameter copy, programless communication
Contact output (option) up to 5 (PXF4: up to 3)
Contact input (option) up to 3 (PXF4: up to 1)
Transfer output (option) Output signal: voltage or current
CT input (option) for heater break alarm or watt-hour metering.
Current transformer (for 1–100 A) is optional.
Remote SV input (option) Input signal: voltage or current
Display M. V. A. LCD, 4-color, white PV display
Dimensions (W x H x D) PXF4: 48 × 48 × 65.7 mm
PXF5: 48 × 96 × 65.7 mm
PXF9: 96 × 96 × 65.7 mm
Power supply voltage 100–240 V AC, 50/60 Hz, 24 V AC/DC
Enclosure Front waterproof (when watertight packing is used), IP 66 equivalent