Fuji Electric Model: PXR4 Instruction Manual
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Fuji Electric Model: PXR4 Instruction Manual

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Model: PXR4
Thank you for your purchasing "Fuji Digital Temperature Controller."Please check that the product is exactly the
one you ordered and use it according to the following instructions. (Please refer to a separate operation manual
for details.) Dealers are cordially requested to ensure the delivery of this Instruction Manual to hands of the end-
users.
NOTICE
The contents of this document may be changed in the future without prior notice.
We paid the utmost care for the accuracy of the contents. However, we are not liable for direct and
indirect damages resulting from incorrect descriptions, omission of information, and use of informa-
tion in this document.
Read before using ................................................ 3
................................................................ 7
1. Installation/mounting ...................................... 8
2. Wiring ............................................................. 9
3. Usage ............................................................. 10
4. Display and operation .................................... 11
1st block parameter ........................................ 12
2nd block parameter ...................................... 13
3rd block parameter ....................................... 14
6. Function ......................................................... 15
6-1 ON/OFF control ...................................... 15
6-2 Auto-tuning (AT) ...................................... 16
Instruction Manual
INP-TN1PXRa-E
CONENTS
Fuji Electric Co., Ltd.
Head Office
11-2, Osaki 1-chome, Shinagawa-ku, Tokyo, 141-0032 Japan
http://www.fujielectric.co.jp
Fuji Electric Instruments Co., Ltd.
Sales Div. International Sales Dept.
No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan
Phone : +81-42-585-6201,6202
Fax : +81-42-585-6187,6189
http://www.fic-net.co.jp
6-3 Self-tuning ............................................... 17
6-4 Alarm function [option] ............................ 19
6-5 Ramp/soak function [option] ................... 21
6-8 Other functions ....................................... 24
8. Error indications ............................................. 27
[Table1] Input type code ....................................... 28
[Table2] Control output action code ...................... 28
[Table4] Alarm action type code ........................... 30
PXR Model Code Configuration ........................... 31
Specification ......................................................... 32
- 1 -

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  • Page 1: Table Of Contents

    Fuji Electric Co., Ltd. Instruction Manual Head Office 11-2, Osaki 1-chome, Shinagawa-ku, Tokyo, 141-0032 Japan http://www.fujielectric.co.jp Micro-controller X Fuji Electric Instruments Co., Ltd. Sales Div. International Sales Dept. Model: PXR4 No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan Phone : +81-42-585-6201,6202 Fax : +81-42-585-6187,6189 INP-TN1PXRa-E http://www.fic-net.co.jp...
  • Page 2 Check of specifications and accessories Before using the controller, check if the type and specifications are as ordered. (A Table of Model code configu- ration is given in Page 4). Check that all of the following accessories are included in the package box. ·...

  • Page 3: Read Before Using

    Read before using Safety Precautions Before using this product, the user is requested to read the following precautions carefully to ensure the safety. Safety precautions must be taken by every user to prevent accidents. The safety requirements are classified into "warning" and "caution" according to the following interpretations : Suggesting that the user's mishandling can Warning...
  • Page 4 • If the voltage shown above exceeds 60Vdc (i.e. hazardous voltage), the basic insulation is required between all terminals of this controller and the ground, and supplementary insulation is required for the alarm output. Isolation class of this controller is as shown below. Be sure to check that the isola-tion class of the controller satisfies your requirements before installan.
  • Page 5 Warning 2.1 Cautions on installation Avoid the following places for installation. • a place where the ambient temperature may reach beyond the range of from 0 to 50∞C while in operation. • a place where the ambient humidity may reach beyond the range of from 45 to 85% RH while in operation.
  • Page 6 [Proportional interval] relay output: 30 seconds or more, SSR/SSC: one second or more] • If inductive load such as magnetic switches connected as a relay output load, it is recommended to use Z-Trap manufactured by Fuji Electric to protect a contact from switching serge and keep a longer life.

  • Page 7: Index

    Index. <Description> <Reference items> • Confirming that the delivered Confirming type specification controller is equal to the ordered one. • Outline dimensions Installation/mounting • Panel cutout dimensions • Mounting method on the panel • Terminal connection diagram Wiring Power on *Note •...

  • Page 8: Installation/Mounting

    Installation/mounting Outline and Panel Cutout Dimensions (Standard type/ Waterproof type) (Unit : mm) Outline dimensions Panel cutout dimensions 79.8 63 or more PXR-4 +0.5 Packing Panel For side by side installation Panel thickness 1 to 8mm Note) See the Note1. 44.8 +0.5 a -0...

  • Page 9: Wiring

    Wiring Terminal Connection Diagram (100 to 240 Vac) Alarm output Control output1 Relay output Current output SSR/SSC drive output · Common · Alarm output1 (AL1) · Alarm output2 (AL2) · Heater break Signal input alarm output (AL3) Thermocouple Resistance valve Current/Voltage Power supply AC100-240V...

  • Page 10: Usage

    Usage (Read before using) Name of Functional Parts and Functions PXR-4 Model : PXR4 Setting keys Name Function Select key The key shifting to the 1st, the 2nd or the 3rd block parameter, switching the display between parameter and the data at the 1st, the 2nd and the 3rd block. Up key ·...

  • Page 11: Display And Operation

    Display and operation Standby mode · To perform standby operation, set "STby" as ON in the 1st block parameter. · Standby mode: (Output) Control outputs (1 and 2) and alarm outputs (all) are not provided. However, depending on setting of "P-n1", control action, control outputs are provided at the abnormal input.

  • Page 12: 1St Block Parameter

    Setting methods of temperature and paramenters Operation/Standby mode Standby Alarm status Control output status Operation PV value indication SV value indication SV value flickers. indication PXR-4 PXR-4 When the set value (SV) is displayed at the lower line, the SV lamp is lit. Press for about 1 sec.

  • Page 13: 2Nd Block Parameter

    Operation/Standby mode Alarm status Standby Control output status Operation PV value indication SV value indication SV value flickers. indication PXR-4 PXR-4 When the set value (SV) is displayed at the lower line, the SV lamp is lit. Press for about 3 sec. Press for about 2 sec.

  • Page 14: 3Rd Block Parameter

    Operation/Standby mode Standby Alarm status Control output status Operation PV value indication SV value indication SV value flickers. indication PXR-4 PXR-4 When the set value (SV) is displayed at the lower line, the SV lamp is lit. Press for about 5 sec. Press for about 2 sec.

  • Page 15: Function

    Functions 6-1 ON/OFF control • At ON/OFF control mode,output signal is as shown below. Set parameter “P” = 0 for selecting the ON/OFF control mode. Set the hysteresis to avoid chattering. (Default setting: Hys = 1) • Parameter setting and operation example Example 1 : Reverse operation Parameter Setting value...

  • Page 16: Auto-Tuning (At)

    6-2 Auto-tuning (AT) Autotuning is the automatic calculation and entering of the control parameters (P,I and D) into memory. Prior to the auto-tuning, complete the setting of input range (P-SL,P-SU, P-dP), a set value (SV), alarm setting (AL1, AL2), and cycle time (TC). How to start the auto-tuning Set the parameter AT as either “1”...

  • Page 17: Self-Tuning

    6-3 Self-tuning 1) At power on, changing a set value or the external disturbance, tuning is made automatically so that the PID parameters are re-optimized. It is useful where modification of PID parameters is required repeatably due to frequent change in process condition.
  • Page 18 4) Self-tuning is executed by any of the following conditions. q During temperature rise at power ON. w During temperature rise at SV changing if necessary. e When control is out of stable condition and is judged as being out of stable condition continuously. 5) Self-tuning is not executed under the following conditions: q During standby mode w During ON/OFF control...

  • Page 19: Alarm Function [Option]

    6-4 Alarm function [option] 1) Kinds of alarm • Absolute value alarm, deviation alarm, combination alarm, and zone alarm are available. (For details, see Table 4, Alarm action type codes on page 4.) ON delay function Alarm Without ON delay function With ON delay function ON delay setting time Energizing/de-energizing function...
  • Page 20 Combination of alarm functions Please see the table as shown below. O: Possible combination X: Impossible combination Without HOLD/Timer With HOLD With Timer Alarm latch De-energizing Note 1 ON delay Alarm in error status Note 1) The alarm is not turned on the first time the measured value is in the alarm band.

  • Page 21: Ramp/Soak Function [Option]

    6-5 Ramp/soak function [option] 1. Function Changes the set value (SV) as the time elapses according to a predetermined program pattern, as shown below. Either 4 ramp/soak x 2 patterns or 8 ramp/soak x 1 pattern can be programmed. The first ramp starts from the process value (PV) just before the programming is executed.

  • Page 22: Communication Function [Option]

    6-6 Communication function [option] 1) Function · Data can be written/read through the MODBUS ® protocol. 2) Before using this function, please set related parameters as shown below. 3rd block parameter Set the station No. at "STno" Set the parity at "COM". Please do not change "PYP"...

  • Page 23: Digital Input (Di Function) [Option]

    6-7 Digital input (DI function) [option] 1) Function · With Digital input, the follwing functions are available. q SV switching w Control mode; RUN/STANDBY selection e Ramp/soak RUN/RESET selection r Auto-tuning start/stop t Alarm latch cancel y Timer start/reset 2) To use DI function; ·...

  • Page 24: Other Functions

    6-8 Other functions The parameters “bAL” and “Ar” are masked at defauit setting. If necessary to appear these parameters, please refer to the following procedure. 1) Function • “bAL” and “Ar” are functions to suppress overshoot. (Usually it is not necessary to change the setting.) 2) If they aren't optimum value, sometime you don't get the good control.

  • Page 25: Setting Of Input Type And Control Algorithm

    Setting of input type and control algorithm q Please check if the input type set at “P-n2” is same as Setting of what you use. the input type Choose the sensor type you use from Table 1 shown below, and set the code at “P-n2”.
  • Page 26 q Select the type of control output action. Setting of Control Description the algorithm Setting procedure output action Heating Reverse As PV increases, Set parameter * Read if the control “P-n1” = 0 or 1. MV decreases. doesn't work as you As PV decreases, (Refer to Table 2) MV increases.

  • Page 27: Error Indications

    -150 ˚C. Incorrect range setting (P-SL/P-SU). OFF or 4mA or less (SV indication flickers) Fault in the controll. Undefined (Stop using this controller immediately.) Contact with Fuji Electric Co.,Ltd. or the nearest repesentatives. – 27 –...

  • Page 28: [Table1] Input Type Code

    Table 1 Input type code Parameter : Group Input type Code Group Input type Code 1 to 5VDC, 4 to 20mA DC · Pt100 (IEC) · In case of 4 to 20mA DC input, mount a 250Ω Thermocouple resistor enclosed in the package box. ·...

  • Page 29: [Table3] Input Range (Standard Range)

    Table 3 Input range (Standard range) Parameter : Range Range Range Range Input signal type Input signal type (°F) (°F) (°C) (°C) RTD (IEC) Pt100Ω 0 to 150 32 to 302 Thermo- 0 to 1600 32 to 2912 Pt100Ω 0 to 300 32 to 572 couple 0 to 1800...

  • Page 30: [Table4] Alarm Action Type Code

    Table 4 Alarm action type code Parameter : · Standard alarm code · Alarm code with dual set value ALM1 ALM2 Alarm type Action diagram ALM1 ALM2 Alarm type Action diagram High High/Low /Low No alarm absolute alarm A1-L A1-H limit A2-L A2-H...

  • Page 31: Pxr Model Code Configuration

    PXR Model Code Configuration 4 5 6 7 8 9 10 11 12 13 Digit Specification <Size of front H X W> 48 X 48mm Screw terminal type <Input signal> Thermocouple °C Thermocouple °F RTD Pt100 3-wire type °C RTD Pt100 3-wire type °F 4 to 20mA DC 1 to 5VDC <Control output 1>...

  • Page 32: Specification

    Specification Power voltage: 100 (- 15%) to 240V AC (+10%), 50/60Hz Power consumption: 15V AC or less/240V AC Relay contact output: Control output 1: SPDT contact, 220VAC / 30VDC 3A (resistive load) Control output 2: SPST contact, 220VAC / 30VDC 3A (resistive load) SSR/SSC driving output: ON: 24V DC (17 to 25V DC) (voltage pulse output)

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