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FE PXR9 - User Manual

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Micro-controller X
Model: PXR4/5/7/9
Operation Manual
C1 C2 AL1 AL2 AL3
PV
SV
°C
PXR
SEL
ECNO:406f
www. .com
information@itm.com1.800.561.8187

Table of Contents

Questions and Answers

  • L
    Lucas RodriguezSep 14, 2025
    How to display decimal point on FE PXR9 Microcontrollers?
    • E
      Eugene BarkerSep 14, 2025
      If a decimal point has not been displayed on your FE Microcontroller, it might be because “0” is set in the parameter . To display the decimal point, set the parameter to “1” or “2”.
  • A
    Autumn AndrewsNov 16, 2025
    Why does the display on my FE PXR9 Microcontrollers show incorrect values?
    • H
      Heather NormanNov 16, 2025
      If the display on your FE Microcontroller is showing unexpected values, it could be due to several reasons. First, the setting might not be correct for the input signals from sensors. Also, check if the polarity of the sensor matches the PXR; if not, correct it. Input terminals may be short-circuited in thermocouple B or R; in this case, set the parameter to 3 and check the temperature. The input signals of sensors might not match those of your controller, which may require adaptations or a replacement. Ensure the connecting cables for the sensor are tightened. Finally, a break or short-circuit in the sensor, or issues with the sensor or other input devices connected to the PXR, could be the cause; replace the sensor or input devices as needed. Also, verify that the set value of parameter ...

Summary

Part Names and Functions

Operations

2-1 Parameter List

Lists parameters, their descriptions, settings, and page references.

Parameters of the Second Block

Proportional Band (P)

Sets ON/OFF control band or PID control band.

Integral Time (t)

Sets the integral time for PID control.

Derivative Time (d)

Sets the derivative time for PID control.

Control Algorithm (ETFL)

Selects PID, FUZZY, or SELF control.

Input Signal Code (P-n2)

Selects input signal type (thermocouple, RTD, etc.).

Alarm Types (ALN1, ALN2, ALN3)

Selects alarm operation types.

Parameters of the Third Block

SV (Setting Value) Lower Limiter (SU-L)

Sets the lower limit for the SV.

SV (Setting Value) Upper Limiter (SU-H)

Sets the upper limit for the SV.

HB (Set Value of Heater Break Alarm)

Sets value for heater break alarm.

RCJ (Cold Junction Compensation) Setting

Enables/disables cold junction compensation for thermocouples.

DI1 (Digital Input 1) Operation

Station No. for Communication (SINO)

Sets communication station number.

Parity Setting (CoП)

Basic Operations

Basic Operations for the PXR (In Auto Mode)

Illustrates basic operations in Auto mode.

How to Set Values

Basic Operations for the PXR (In Manual Mode)

Illustrates basic operations in Manual mode.

How to Register Set Data

Parameter Functions and Method of Settings

Method of Setting the SV (Setting Value)

Explains how to set the target value for control.

Manual Mode Setting (MANU)

Setting Example: Switching to Manual Mode

Standby Setting (5 t64)

Setting Example: Starting the Control

Local;Remote Operation Setting (Nod)

Setting Example: Switching to Remote Operation

Ramp-Soak Control (Prou)

Setting Example: Starting the Ramp-Soak Operation

Auto-Tuning Function (Rf)

Setting Example: Setting the Auto-Tuning Operation to 1

Key Lock (Lo£)

Setting Example: Setting the Key Lock

Proportional Band (P)

Setting Example: Changing Proportional Band

Integral Time (t)

Setting Example: Changing Integral Time

Derivative Time (d)

Setting Example: Changing Derivative Time

Hysteresis Range for ON;OFF Control (HYS)

Setting Example: Changing Hysteresis Range

Cooling-Side Proportional Band Coefficient (COOL)

Setting Example: Changing Cooling-Side Coefficient

Cooling-Side Proportional Band Shift (db)

Setting Example: Shifting Cooling-Side Band

Anti-Reset Windup (Ar)

Setting Example: Changing Anti-Reset Windup

Control Algorithm (ETFL)

Setting Example: Changing Control System

Self-Tuning

2 How to Execute

Caution

PV (Measured Value) Stable Range (SLF6)

Setting Example: Changing PV Stable Range

HYS (Hysteresis) Mode at ON;OFF Control (onoF)

Setting Example: Setting Hysteresis Mode to ON

Cycle Time of Control Output 1 (FF)

Setting Example: Setting Cycle Time

Cycle Time of Control Output 2 (Cooling-Side) (12)

Setting Example: Setting Cooling-Side Cycle Time

Input Signal Code (P-n2)

Setting Example: Changing Input Signal Code

Setting the Measuring Range (Input Range) (P-SL)

Selection °C; °F (P-F)

Setting Example: Changing Measuring Range

Example of setting measuring range.

PV (Measured Value) Offset (PUOF)

Setting Example: Adjusting PV Offset

SV (Setting Value) Offset (SUOF)

Setting Example: Adjusting SV Offset

Time Constant of Input Filter (P-dF)

Alarm Types (ALN1, ALN2, ALN3)

Setting Example: Setting Alarm Type

Selecting Ramp-Soak Patterns (Pin)

Setting Example: Changing Ramp-Soak Execute Type

Specifying Control Action and Output Direction at Input Burn-out (P-n1)

Setting Example: Changing Burn-out Output

Example of setting burn-out output.

SV (Setting Value) Lower Limiter (SU-L)

Setting Example: Setting the Upper Limiter

Example of setting the SV upper limiter.

SV (Setting Value) Upper Limiter (SU-H)

Time of ON-Delay Alarm or Timer Function (dl Y1, dl Y2, dl Y3)

HB (Set Value of Heater Break Alarm)

Hysteresis of Alarm 1, 2, and 3 (A1 hy, A2 hy, A3 hy)

Setting Example: Changing Alarm 2 Hysteresis

Example of setting alarm hysteresis.

Options of Alarm 1, 2, and 3 (A1 oP, A2 oP, A3 oP)

Upper and Lower Limits for Control Output 1 (PLC1, PHC1)

Setting Example: Changing Output Lower Limit

Example of setting output lower limit.

Upper and Lower Limits for Control Output 2 (PLC2, PHC2)

Output Limit Types (PEUT)

Setting Example: Selecting Output Limit Types

Example of setting output limit types.

RCJ (Cold Junction Compensation) (Setting range: ON;OFF)

Setting Example: Changing RCJ Setting

Adjusting the PV (Measured Value) Display (0%) (Aduo)

Adjusting the PV (Measured Value) Display (100%) (AdUS)

DI Operation (di-1, di-2)

Switching the SV (DI Function 1)

Switching Control RUN;Standby (DI Function 2)

Station No. for Communication (Sino)

Setting Example: Setting Station No.

Example of setting station number.

Parity for Communication (CoП)

Setting Example: Setting Even Parity

Communication Protocol Setting (PEOL)

Setting Example: Changing to Z-ASCII Protocol

Example of changing communication protocol.

Re-transmission Output Type Setting (Ao-r)

Setting Example: Changing Retransmission Output Type

Re-transmission Base Scale (Ro-L)

Setting Example: Setting Retransmission Scales

Example of setting re-transmission scales.

Re-transmission Span Scale (Ao-H)

Remote SV Input (0%) Adjustment (r ENO)

Setting Example: Setting Zero Adjustment

Example of setting remote SV zero adjustment.

Remote SV Input (100%) Adjustment (r ENS)

Remote SV Input Filter Constant (r-dF)

Setting Example: Changing Input Filter Constant

Parameter Display Mask (dSP1 to dSP9, dP10 to dP13)

Setting Example 1: Skipping Parameters

Setting Example 2: Extinguishing PV Display

Setting Example 3: Displaying PV Display

Troubleshooting

1. Display Shows UUUU or LLLL

Troubleshooting for display errors.

2. Err Displayed

Troubleshooting for 'Err' display.

3. Decimal Point Not Displayed

4. Unintended Parameter Changes

Troubleshooting for unintended parameter changes.

5. ON;OFF Control Not Started

Troubleshooting for ON/OFF control not starting.

6. ON;OFF Control Not Functioning Properly

Troubleshooting for improper ON/OFF control function.

7. Controller Not Controlling Properly

General troubleshooting for improper control.

13. Auto-Tuning Not Working Properly

14. Excessive Overshoot During Auto-Tuning

15. Self-Tuning Not Working Properly

▲ Safety Precaution

Over-temperature Protection

Critical safety information regarding continuous heating failure.

FE PXR9 Specifications

General IconGeneral
BrandFE
ModelPXR9
CategoryMicrocontrollers
LanguageEnglish

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