PXG4 48x48mm Temperature and Process Controllers

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Power Supply
I/O Options
Comms
D/I Input
Output 2
Output 1

PXG4 48x48mm Temperature and Process Controllers

New

An advanced and less expensive PXG series to meet the increasing demands of the process control industry.

The PXG is a compact size process controller. To cope with any of versatile uses as a temperature controller, it has many input/output points and sophisticated control functions.

More details

An advanced and less expensive PXG series to meet the increasing demands of the process control industry.

The PXG is a compact size process controller. To cope with any of versatile uses as a temperature controller, it has many input/output points and sophisticated control functions.

This series of process controller is available in a range of sized to suit all panels and our engineers will be delighted to preconfigure your order suit your application. 

Features

  • Faster sampling and output update time (200ms) for better control and stability.
  • Better accuracy -- ±0.3%FS
  • Universal input
  • 4-20mA, Relay or SSR control outputs
  • Up to 3 alarm relays
  • 32-segment ramp/soak feature at no additional cost.
  • Guaranteed soak
  • Display blinks on alarm condition
  • 8 PID palettes
  • Several digital I/Os
  • Remote setpoint
  • Analog retransmission
  • RS485 communications
  • Heater break options
  • Transmitter power supply option on ¼ DIN PXG9
  • 24V AC/DC supply option
  • Free configuration loader software --- uses simple mini-stereo jack for loading programs
  • New and easy parameter programming
  • Soft-start function
  • Ramp-to-setpoint function
  • Control standby function
  • NEMA 4X, CE, UL, c-UL recognition

The PXG series of process controller is also designed for servo control. Motorized valve control outputs with or without position feedback are available.

    General Specifications

     

    (1)Power supply

      • 100 V ( - 15%) to 240 V (+ 10%) AC,
      • 50/60 Hz
      • 24 V (± 10%) DC. 24 V (± 10%) AC,
      • 50/60 Hz.

      • (2)Power consumption:
      • 12 VA MAX.

     

    (3)Insulation resistance:

          • 20 MΩ MIN. (at 500 V DC)

    (4)Withstand voltage:

          • Power source ⇔ all terminals
            1500 V AC for 1 min
          • Relay contact output ⇔ all terminals
            1500 V AC for 1 min
          • Between others 500 V AC for 1 min

    (5) Approvals and certification:

          • UL(UL873), C-UL(CSA C22.2 No.24-93 or
          • equivalent), CE mark(LVD : EN61010-1,
          • EMC : EN61326-1)

    Input section

    Process value input

        • (1) Number of inputs :1 point
        • (2) Input setting: Programmable scale
        • (3) Input signal: See Table 1 (thermocouple, resistance
          bulb, mV, voltage, current (With external
          250Ω resistance) universal input)

    (4) Standard measurement range and input type:

     

    (5) Indication accuracy (at Ta = 23°C) :

        • Thermocouple input: ± 0.3%FS ± 1 digit
            ± 1°C or ± 2°C, whichever greater *except:
        • Thermocouple B, 0 to 400°C
          ± 5 %FS ± 1 digit ± 1°C
        • Thermocouple R, 0 to 500°C
             ±1%FS ± 1 digit ± 1°C
        • Thermocouple T, -200 to 0°C
             ±0.5%FS± 1 digit ± 1°C
        • Resistance bulb input: ± 0.3%FS ± 1
             digit or ± 0.5°C, whichever greater
        • mV input, voltage input, current input:
             ± 0.3%FS ± 1 digit

    (6) Indication accuracy by change of temperature:

        • ± 0.3%FS/10°C

    (7) Indication resolution:
    (8) Input sampling cycle:

        • 200 ms

    (9) Input impedance:

        • Thermocouple, mV input: 1 MÙ MIN.
        • Current input: 250 Ù
        • Voltage input: About 1 MÙ

    (10) Variation by signal source resistance:

        • Thermocouple, mV input: ± 0.3%FS ±
          1 digit per 100 Ù
        • Voltage input: ± 0.3%FS ± 1 digit per
          500 Ù

    (11) Allowable wiring resistance:

        • Resistance bulb: 10 Ù MAX. (per wire)

    (12) Allowable input voltage:

        • DC voltage input: Between +35 and
          - 10 V
        • Current input: Within ± 25 mA
        • Thermocouple, resistance bulb, mV input:
          Within ± 5 V

    (13) Noise rejection ratio:

        • Normal mode: 40 dB (50/60 Hz)
        • Common mode: 120 dB (50/60 Hz)
          From ground, at 220 V AC, 50/60 Hz
          Between input and output, at 220 V AC,
          50/60 Hz

    (14) Input correction:

        • (a) User adjustment: Zero point, span
          ± 50%FS for each
        • (b) Process value shift: ± 10%FS
        • (c) Input filter: 0.0 to 120.0 sec (filter OFF
          if set at 0.0)

    (15) Overrange, underrange:

        • Beyond range of -5 to 105% (accuracy
          not guaranteed between -5 and 0, and between
          100 and 105%FS)



    2.2 Auxiliary analog input (remote SV input)

          • (1) Number of inputs: Up to 1 point
          • (2) Input signal: Voltage, 0 to 5 V DC /1 to 5 V DC
          • (3) Input impedance:
          • About 1 MÙ
          • (4) Sampling rate: 800ms

     

     

    2.3 Heater current detector (CT) input

     

        • Input type: Single phase CT Up to 1 point
        • For 1 to 30 A: CTL-6-S-H
        • For 20 to 50 A: CTL-12-S36-8F

    (2) Range of detected current: 1 to 50A
    (3) Detected current accuracy:Setting ± 10%FS
    (4) Detected current resolution0.1 A
    (5) ON time necessary for detection:800 ms MIN.



    2.4 Digital input (DI)
    (1) Number of points: 2 points (up to 3 points for motorized valve control output)
    (2) Specifications: No-voltage contact or transistor input
    (3) Contact capacity: 30 V DC, about 3 mA (per point)
    (4) Input judgment: ON assumed at 1 kÙ or lower (contact) or
         5 V DC or lower (transistor)
         OFF assumed at 100 kÙ or higher (contact)
         or 18 V DC or higher (transistor)

    (5) Sampling pulse width: 200 ms MIN.
    (6) Functions: Remote mode selection, SV changeover,
          control standby, AT startup, timer startup,
          alarm unlatch, Program selection, start /
          stop / reset, PID switching (normal/reverse)

     

    Output section


    3.1 Control output
    (1) Number of points: Up to 2 points (2 points: Heating/cooling
         control)
    (2) Type: selected out of [1] to [5] below [1] Relay contact output

    • Proportional cycle: 1 to 150 sec
    • Contact structure: 1 NO (SPST) contact
    • Contact capacity: 220 V AC/30 V DC, 3 A (resistive load)
      220 V AC/30 V DC, 1 A (inductive load)
    • Minimum ON/OFF current: 100 mA
      (24 V DC)
    • Mechanical life: 20 million operations
      MIN. (100 operations/min)
    • Electrical life: 100,000 operations MIN. (rated load)

    [2] SSR/SSC drive output

    • Proportional cycle: 1 to 150 sec
    • ON voltage: 20 V DC (18 to 24 V DC)
    • OFF voltage: 0.5 V DC or lower
    • Maximum current: 20 mA DC (for each of outputs 1 and 2)
    • Load resistance: 850 Ù MIN.

    [3] Current output (0 to 20 mA DC/4 to 20 mA DC)

    • Accuracy: ± 5%FS
    • Linearity: ± 5%FS
    • Load resistance: 600 Ù MAX.

    [4] Voltage output (0 to 5 V DC/1 to 5 V DC/0 to 10 V DC/2 to 10 V DC)

    • Accuracy: ± 5%FS
    • Linearity: ± 5%FS
    • Load resistance: 10 kÙ MIN.

    3
    [5] Motorized valve control output

    • Contact structure: 2 NO (SPST) contacts
    • Contact capacity: 220 V AC/30 V DC,

    1 A
    • Minimum ON/OFF current: 100 mA
    (24 V DC)

    • Mechanical life: 20 million operations
      MIN. (100 operations/min)
    • Electrical life: 100,000 operations
      MIN. (rated load)
    • Output interlock: Unavailable

     

    3.2 Digital output (DO)
    (1) Number of outputs: Relay contact output
    Up to 3 points (shared common)
    Up to 2 points (independent common)
    (2) Output specifications: Relay contact output
    Contact structure: 1 NO (SPST) contact
    Contact capacity: 220 V AC/30 V DC, 1 A Minimum Open/Close current: 100 mA
    (24 V DC)
    Mechanical life: 20 million operations MIN.
    (100 operations/min)
    Electrical life: 100,000 operations MIN.
    (rated load)
    (3) Output functions: Alarm output (see "Alarm function") Main unit control mode output,program status output, etc.
    (4) Output cycle: 200ms

     

    3.3 Auxiliary analog output (re-transmission output)
    (1) Number of points: Up to 1 point
    (2) Type: Current/voltage output (0 to 20 mA DC/4 to 20 mA DC/0 to 5 V DC/1 to 5 V  DC/ 0 to 10 V DC/2 to 10 V DC)

    • Guaranteed output range: 0 to 20.6 mA DC/0 to 10.3 V DC
    • Accuracy: ± 0.2%FS (± 5%FS at 1 mA or smaller)
    • • Linearity: ± 0.2%FS (± 5%FS at 1 mA or smaller)
    • Resolution: 5000 MIN.
    • Load resistance: 600 Ù MAX. (current)

    10 kÙ MIN. (voltage)
    (3) Output cycle: 200 ms
    (4) Output contents: PV, SV, DV, MV
    (5) Additional function: Scaling function
    (6) Limitation: Not selectable when using control output 2