Fuji Electric PXR3 Temperature Controller

SKU
PXR3
Manufacturer:
Fuji Electric

Key Features:

  • 1/32 DIN (24x48 mm)
  • PID + self-tuning, PID + fuzzy control, & auto-tuning
  • NEMA 4X waterproof faceplate with large LED display
  • Thermocouple/RTD & 4-20mA/0-5V inputs
  • Single or dual control outputs
  • Up to 16 ramp/soak segments
    • Or two 8-segment patterns
  • Programmable alarms & heater burnout alarm options
  • Remote setpoint & analog retransmission options
  • Digital Input Option
  • Timer Function
  • Remote monitoring & free software with RS485 option
  • ISO 9001 manufactured
  • 3-year warranty
  • UL873 approved
Product Options:
$186.00

Secured and trusted checkout with

The Fuji PXR3 temperature controller is an innovative, 1/32 DIN temperature and process controller. Made for a vast range of applications, the PXR3 not only includes auto-tuning and fuzzy control, but also features self-tuning - an innovation in the control field. Self-tuning automatically re-tunes the controller under certain conditions, without the need to revert to auto-tuning.

The PXR3 accepts process and temperature inputs and extends a choice of three kinds of outputs to meet a large variety of needs in the process industries. Single or dual outputs include relay, SSR driver, or 4-20mA. The controller's standard 8-segment ramp/soak feature has been expanded to include two patterns that can be linked to create a 16-step profile.

One of the most impressive features of the PXR3 is the expansive LED display. The faceplate, designed for NEMA 4X (IP66 equivalent) is watertight and corrosion-resistant. The easy-to-use 3-button keypad makes programming fast and simple. The screw-terminal on the back further lessens the cost by eliminating the need for sockets.

Remote monitoring of up to 31 PXR series controllers at a time is possible with the RS485 option that uses the industry-standard Modbus protocol. The communications option comes with free Windows-based software, PXR-LITE. The software allows you to program PXR series controllers from the PC and view real-time data and trend graph while logging the data on to a text file.

A powerful tool for the OEM customer is the Program Loader option with Windows-based software. Programs for different applications can be saved to and from Fuji temperature PXR series controllers.

General specifications

Power supply

voltage

100 V (-15%) to 240 V (+10%) AC, 50/60 Hz or

24 V (±10%) AC, 50/60 Hz, 24 V (±10%) DC

Power consumption

≤ 6 VA (100 V AC)

≤ 8 VA (240 V AC, 24 V AC, 24 V DC)

Insulation resistance

≥ 20 MΩ (500 V DC)

Dielectric

strength

Power supply↔Ground: 1500 V AC for 1 min

Power supply↔Others: 1500 V AC for 1 min Ground↔Relay output: 1500 V AC for 1 min Ground↔Alarm output: 1500 V AC for 1 min Others: 500 V AC for 1 min

Input impedance

Thermocouple: 1 MΩ or more

Voltage: 450 kΩ or more

Current: 250 Ω (external resistor)

Allowable signal

source resistance

Thermocouple: 100 Ω or less

Voltage: 1 kΩ or less

Allowable wiring

resistance

RTD: 10 Ω or less per wire

Reference junction compensation accuracy

±1ºC (at 23ºC)

Input value correction

±10% of measuring range

Input filter

0 to 900.0 s

Configurable in 0.5 s steps (first order lag filter)

Noise reduction

ratio

Normal mode noise (50/60 Hz): 50 dB or more

Common mode noise (50/60 Hz): 140 dB or more

  

Control functions of standard type

Control action

PID control (with auto tuning, self-tuning) Fuzzy control (with auto tuning)

Proportional band (P)

0 to 999.9% of measuring range Configurable in 0.1%  steps

Integral time (I)

0 to 3200 s

Configurable in 1 s steps

Differential time (D)

0 to 999.9 s

Configurable in 0.1 s steps

On/off action if P = 0. Proportional action when I, D = 0.

Proportional cycle

1 to 150 s

Configurable in 1 s steps

Only for relay contact output or SSR/SSC

drive output

Hysteresis width

0 to 50% of measuring range

For on/off action only

Anti-reset windup

0 to 100% of measuring range

Automatically adjusted by auto tuning

Input sampling cycle

0.5 s

Control cycle

0.5 s

 

                                                       

 

             

Input section

Input signal

Thermocouple : J, K, R, B, S, T, E, N, PLII Resistance bulb : Pt100

Voltage, current: 1 to 5 V DC, 4 to 20 mA DC

(For the current input, add a provided 250 Ω resistor to the input terminal.)

Measuring range

See Table 1.

Burnout

For thermocouple or RTD input, a user can select either the upper limit or lower limit as the value which the control output should transmit when a burnout occurs.

 

Output section of standard type (Control output 1)

Control output 1 Select one from the followings:
• Relay contact: SPST contact:
     220 V AC/30 V DC, 3A (resistive load)
     Mechanical life: 10 million operations (no load)
     Electrical life: 100,000 operations (rated load)
     Minimum switching current: 10 mA (5 V DC)
• Voltage pulse (for SSR / SSC drive):
    ON: 15 V DC (12 to 16 V DC)
    OFF: 0.5 V DC or less
    Max. current: 20 mA or less
• 4 to 20 mA DC:
    Allowable load resistance: 100 to 500 Ω

 

Control functions of heating/cooling control type
(option)

Heating side proportional band (P)

0 to 999.9 % of measuring range

Cooling side proportional band (P)

Heating side "P" × cooling side coefficient

(Automatically set in auto tuning)

Cooling side proportional band coefficient:

0 to 100.0

On/off action if P = 0

Integral time (I)

0 to 3200 s (common to heating and cooling sides)

Differential time (D)

0 to 999.9 s (common to heating and cooling sides)

P, I, D = 0: ON/OFF action (without dead band) for heating and cooling

I, D = 0: Proportional action

Proportional cycle

1 to 150 s

For relay contact output or SSR/SSC drive output only

Hysteresis width

0.5% of measuring range, common to heating and cooling sides, for on/off action only

Anti-reset windup

0 to 100% of measuring range

Automatically adjusted by auto tuning

Overlap, dead band

±50% of heating side proportional band

Input sampling cycle

0.5 s

Control cycle

0.5 s

 

Output section of heating/cooling control type
(control output 2) (option)

Control output 2 Select one from the followings:
• Relay contact: SPST contact:
     220 V AC/30 V DC, 3 A (resistive load)
     Mechanical life: 10 million operations (no load)
     Electrical life: 100,000 operations (rated load)
     Minimum switching current: 10 mA (5 V DC)
• Voltage pulse (for SSR/SSC drive):
    ON: 15 V DC (12 to 16 V DC)
    OFF: 0.5 V DC or less
    Max. current: 20 mA or less
• 4 to 20 mA DC:
    Allowable load resistance: 100 to 500 Ω

  

Operation and display section

Parameter setting

Digital setting by 3 keys

With key lock function

Display

4-digit, 7-segment LED (red)

Process value and set value switchable

Status indicator
(LED)

Control output or alarm output

Setting accuracy

0.1% or less of measuring range

Indication accuracy (at 23ºC)

Thermocouple: ± (0.5% of measuring range) ±1 digit ±1ºC

Except:

Thermocouple R at 0 to 500ºC: ± (1% of measuring range) ±1 digit ±1ºC Thermocouple B at 0 to 400ºC: ± (5% of measuring range) ±1 digit ±1ºC RTD, voltage, current: ± (0.5% of measuring range) ±1 digit

 

Alarm (option)

Alarm kind

Absolute alarm, deviation alarm, zone alarm with upper and lower limits for each Hold (see below explanation) and latch function available

Alarm ON-delay

0 to 9999 s

Configurable in 1 s steps

Process alarm output

Relay contact: SPST contact: 220 V AC / 30 V DC, 1 A (resistive load)

Mechanical life: 10 million operations (no load)

Electrical life: 100,000 operations (rated load)

Minimum switching current: 10 mA (5 V DC).

MAX 2 points

Output cycle: 0.5 s

 

What is alarm with hold?
The alarm is not turned ON immediately even when the mesaured value is in the alarm band. It turns ON when it goes out the alarm band and enters again.

  

Digital input (option)

Number of points

1 or 2

Contact capacity

5 V DC, approx. 2 mA

ON judgment for 2 V DC or less

OFF judgment for 3 V DC or more

Input pulse width

Minimum 0.5 s

Available function

(select one)

Set value (front SV, SV1, SV2, or SV3, switchable)

Control action start/stop Ramp soak action start/reset Auto tuning start/stop

Alarm latch cancel

Built-in timer start

  

Timer (option)

Startup

By digital input

Setting

0 to 9999 s

Configurable in 1 s steps

Default setting is 0 s.

Action

Event ON-delay or OFF-delay

Signal output

Uses alarm output relay. Up to 2 points available

  

Communication (option)

Physical

specifications

EIA RS485

Protocol

Modbus® RTU mode or PXR protocol

(Z-ASCII)

Communication method

2 wires, half duplex bit serial, start-stop synchronization

Data type

8 bits. Parity: odd/even/none.

Baud rate

9600 bps

Network topology

Multi-drop network

Up to 32 controllers connectable including

master station

Communication distance

Up to 500 m

Recommended RS232C–RS485 converter

Isolated type

K3SC-10 by OMRON Co., Ltd (Japan)

  

Re-transmission output (option)

Output signal

4–20 mA DC

Load resistance

500 Ω or less

Output updating

500 ms

Output accuracy

±0.3% FS (at 23ºC)

Resolution

2000 or more

Kind of output signal

PV, SV, DV, or MV (selectable by parameter)

  

Other functions

Parameter mask

User can switch show and hide of parameters

Ramp soak
(option)

2 pattern × 4 steps, or 1 pattern × 8 steps Digital input allows starting or resetting the action.

  

Memory backup at power outage

Medium Non-volatile memory

  

Self-diagnosis

Method Program error monitoring by watchdog timer

  

Operation and storage conditions

Ambient operating temperature

-10ºC to 50ºC

Ambient operating humidity

≤ 90% RH (no condensation)

Storage temperature

-20ºC to 60ºC

 

Structure

Mounting method

Panel mount

Rail or wall mount is available by using the optional DIN rail mounting adapter

External terminal

Rod terminal

Case material

Plastic (flameproof grade UL94 V-0 equivalent)

Dimensions

24 × 48 × 98 mm

Weight

Approx. 150 g

Protective structure

Front panel: NEMA 4X watertight (IEC IP66 equivalent) when mounted on panel with

our genuine packing. Waterproof feature is unavailable in close mounting of multiple units.

Rear case: IEC IP20

Color

Black (front frame, case)

  

Certification

UL, C-UL

  

EU Directive Compliance    

LVD (2014/35/EU)
           EN 61010-1
           EN 61010-2-030
EMC (2014/30/EU)
            EN 61326-1 (Table 2)
            EN 55011 (Group 1 Class A)
            EN 61000-3-2 (Class A)
            EN 61000-3-3
RoHS (2011/65/EU)
            EN 50581

  

Table 1 Measuring range

 

Group

 

Input signal

Range

ºC

ºF

I

RTD

Pt100

-150 to 850

-238 to 1562

Thermocouple

J

0 to 800

32 to 1472

K

0 to 1200

32 to 2192

R

0 to 1600

32 to 2912

B

0 to 1800

32 to 3272

S

0 to 1600

32 to 2912

T

-150 to 400

-238 to 752

E

-150 to 800

-238 to 1472

N

0 to 1300

32 to 2372

PL-II

0 to 1300

32 to 2372

II

1–5 V DC

Scaling range

(-1999 to 9999)

4–20 mA DC

Notes:

1. For 4–20 mA DC input, add a 250-ohm resistor provided with the controller.
2. You cannot switch the input type across the groups.
3. When the measuring range is beyond 1000ºC, the decimal point is not indicated.

 

Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
  • • Brewing & Fermentation
  • • Cryogenics
  • • Kiln
  • • Refrigeration Control / Monitoring