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Temperature & Process Controller - Fuji PXR4

 

The new PXR4 controller is packed with features, to meet a wide variety of needs in the process industries. Low-cost options include RS485 communications, digital input, timer function, heater burnout alarm, dual outputs, and programmable alarms.

 

One of the most impressive features is the large LED display — larger than any other 1/16 DIN controller on the market. The faceplate, designed for NEMA 4X (IP66 equivalent), is watertight and corrosion-resistant. The easy-to-use 3-button keypad allows for programming similar to the popular PXW controller. The screw-terminal on the back further reduces the cost by eliminating the need for sockets.

The controller has all the standard features that you expect from Fuji Electric's superior controllers, and more. In addition to auto-tuning and fuzzy control, it now comes with self-tuning — an innovation in the control field. It automatically retunes the controller under certain conditions, without the need to revert to auto-tuning. The standard 8-segment ramp/soak feature has been expanded to include two patterns that can be linked to create a 16-step profile. The PXR4 accepts temperature and process inputs, and offers two control outputs and two programmable alarms.

Remote monitoring of up to 31 controllers at a time is possible with the RS485 option that uses the industry-standard Modbus™ protocol.

 

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  • Prices from £119
  • Delivery Ex-stock on many models
  • On/off control, PID with auto-tune & Fuzzy control as standard
  • Fuzzy control eliminates overshoot & reduces external disturbance
  • Sixteen types of alarm with one or two relay contact outputs
  • Input types, thermocouple, RTD, 1-5Vdc and 4-20mA
  • Output types, relay contact, SSR/SSC and 4-20mA
  • Setpoint ramping, dual PID heating/cooling and heater break alarm
  • Power supply 24Vdc, 24Vac or 100-240Vac
  • Weatherproof front panel IP66
  • Full range of case sizes from 1/32 DIN upwards
 

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Control Modes
PID, Fuzzy Logic, ON/OFF, Manual, Alarm, Ramp to Setpoint, One-shot Tune, Continious Tune
 
Input - Number and Types
1 universal (TC, RTD, DC linear mA/mV), 2 digital or 1 Remote SP
 
Outputs - Number and Types
5 Max: Relay, SSR, DC linear 4-20mA
 
Profile Programming
8 Step Ramp/Soak (Option)
 
Communication
RS-485 serial (ASCII or MODBUS®)
 
Supply Voltages
AC100-240V 50/60Hz as standard, DC24V, AC24V 50/60Hz as option
 
Panel Sealing
IP66, NEMA 4X
 
Approvals
UR, cUR, CE, UL
 
Dimensions and Fixing Holes
48mm H X 48mm W X 110mm D (1/16 DIN cutout)
 
Operating Temperature
-10 deg. C to +50 deg. C
 

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Technical Data Sheet
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Operating & Installation Manual
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