Panasonic KT2 Instruction Manual
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Panasonic KT2 Instruction Manual

Panasonic KT2 Instruction Manual

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TEMPERATURE CONTROLLER
KT2
INSTRUCTION MANUAL

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Summary of Contents for Panasonic KT2

  • Page 1 TEMPERATURE CONTROLLER INSTRUCTION MANUAL...

  • Page 2: Safety Precautions

    Thank you for purchasing Temperature Controller KT2. This manual contains instructions for the mounting, functions, operations and notes for operating the KT2. For model confirmation and unit specifications, please read this manual carefully before starting operation. To prevent accidents arising from the misuse of this controller, please ensure the operator receives this manual.
  • Page 3 Caution • Use the solderless terminal with an insulation sleeve in which an M3 screw fits, when wiring the KT2. • Tighten the terminal screw with the specified torque. If excessive force is applied to the screw when tightening, the terminal screw or case may be damaged.

  • Page 4: Table Of Contents

    CONTENTS 1. Model number 1.1 Model number ----------------------------------------------------------------------- 5 1.2 How to read the rated label ------------------------------------------------------ 5 2. Name and functions of the sections ------------------------------------- 5 3. Mounting to the control panel 3.1 Site selection ------------------------------------------------------------------------- 6 3.2 External dimensions ---------------------------------------------------------------- 6 3.3 Panel cutout -------------------------------------------------------------------------- 6 3.4 Mounting ------------------------------------------------------------------------------ 6 4.

  • Page 5: Model Number

    1. Model number 1.1 Model number A K T 2 (1) (2) (3) (4) (5) (1) Supply voltage ---------------------- 1: 100 to 240V AC 2: 24V AC/DC (2) Input type ----------------------------- 1: Multi-input (Thermocouple, RTD, DC current and DC voltage can be selected by keypad operation.

  • Page 6: Mounting To The Control Panel

    3. Mounting to the control panel 3.1 Site selection This instrument is intended to be used under the following environmental conditions (IEC61010-1): Overvoltage category , Pollution degree 2 Ensure the mounting location corresponds to the following conditions: • A minimum of dust, and an absence of corrosive gases •...

  • Page 7: Wiring

    4. Wiring Warning Turn the power supply to the instrument off before wiring. Working on or touching the terminal with the power switched on may result in severe injury or death due to Electric Shock. • TC : Thermocouple input terminals •...

  • Page 8: Setup Procedures

    Input: K –200 to 1370 , Alarm 1(A1): No alarm action, Alarm 2(A2): No alarm action, Reverse (Heating) action If the users’ specification is the same as the default value of the KT2, initial setting is not necessary. Proceed to Section “6.1 Main setting mode”.
  • Page 9 Display used for explaining setting items Setting items (Section “5.2 Initial setting” and setting modes from Section 6.1 to 6.3) are explained as follows. (e.g.) Input type selection means that input type characters and selected value (K –200 to 1370 ) are indicated in turn. Auxiliary function setting mode 2 Display Item, Function, Setting range...
  • Page 10 Decimal point place selection No decimal point • Selects decimal point place. • Available only for DC input • : No decimal point : 1 digit after decimal point : 2 digits after decimal point : 3 digits after decimal point PV filter time constant setting 0.0 seconds •...
  • Page 11 A1 type selection No alarm action • Selects an A1 (Alarm 1) type. • No alarm action High limit alarm Low limit alarm High/Low limits alarm High/Low limit range alarm Process high alarm Process low alarm High limit alarm with standby Low limit alarm with standby High/Low limits alarm with standby : Timer function...
  • Page 12 Delay action type selection ON delay • Selects a delay action type for Timer function. • Available only when Timer function is selected during A1 or A2 type selection. • : ON delay : OFF delay : ON/OFF delay (Contact Closed) (Digital input) (Contact Open)
  • Page 13 EV1/OUT2: ON Controller/Converter function selection Controller • Selects whether to use the KT2 as a controller or a converter. If the KT2 is switched from a converter to a controller, control parameters which were automatically set when converter function was selected are maintained as they were. Therefore correct the values when using the KT2 as a controller.

  • Page 14: Setup

    6. Setup 6.1 Main setting mode To go to the main setting mode, press the key in the PV/SV display mode. Set each setting item with the key, and register the value with the key. In the main setting mode, indicated setting items are different depending on the instrument status. •...
  • Page 15 Step 4 time setting 00:00 • Sets step 4 time. • Available only when program control function is selected during OUT/OFF key function selection • Setting range: 00:00 to 99:59 Step 5 SV setting • Sets step 5 SV. • Available only when program control function is selected during OUT/OFF key function selection •...

  • Page 16: Sub Setting Mode

    6.2 Sub setting mode To go to the Sub setting mode, press the key while holding down the key in the PV/SV display mode. Set each setting item with the key, and register the value with the key. Display Item, Function, Setting range Default value AT (Auto-tuning) selection AT Cancel...

  • Page 17: Auxiliary Function Setting Mode

    (Table 6.2-1) For the inputs with a Alarm type Setting range decimal point, the High limit alarm -(Scaling span) to Scaling span negative limit Low limit alarm -(Scaling span) to Scaling span value is -199.9, and High/Low limits alarm 0 to Scaling span the positive high limit High/Low limit range alarm 0 to Scaling span...

  • Page 18: Running

    After the controller is mounted to the control panel and wiring is completed, operate the unit following the procedures below. (1) Turn the power supply to the KT2 ON. For approx. 3sec after the power is switched ON, the sensor input characters and the temperature unit are indicated on the PV/SV display.

  • Page 19: Mv (Control Output Manipulated Variable) Indication

    To release MV indication function, press the key again or turn the power supply to the KT2 OFF, then ON. 7.3 Control output OFF function This is a function to pause the control action or to turn the control output of the unused instrument of the plural units OFF even if the power to the instrument is supplied.

  • Page 20: Operation Flowchart

    8. Operation flowchart Automatically PV indication when SV is PV/SV display mode Control output OFF returns 2sec later. selected, and vice versa (Fixed value control) Press the (Fixed value control) for 1 second. Press the key. (In the case of Program control standby) PV indication: The MEMO/STEP display is unlit.
  • Page 21 Input type (Character indication) and range Alarm type (High limit alarm): The alarm action is a deviation setting from the SV. -200 to 1370 -320 to 2500 The alarm is activated if the input value reaches the high limit alarm value. -199.9 to 400.0 -199.9 to 750.0 (Low limit alarm): The alarm action is a...

  • Page 22: Pid Auto-Tuning

    9. PID auto-tuning In order to set each value of P, I, D and ARW automatically, the auto-tuning process should be made to fluctuate to obtain an optimal value. Notice • Perform auto-tuning during trial run. • During auto-tuning, none of the setting items can be set. •...

  • Page 23: Action Explanation

    10. Action explanation 10.1 OUT1 (Heating) action Heating (Reverse) action Cooling (Direct) action Proportional band Proportional band Control action SV setting SV setting Relay contact output (OUT1) Cycle action is performed according to deviation Cycle action is performed according to deviation Non-contact 12V DC 0V DC...

  • Page 24: A1, A2 Action

    10.3 A1, A2 action High limit alarm Low limit alarm High/Low limits alarm A1 hysteresis A1 hysteresis A1 hysteresis Alarm action A1 set point + A1 set point A1 set point +A1 set point A1 set point A1 set point setting setting setting...

  • Page 25: Heating/Cooling Control Action (When Setting Dead Band) (Heating/Cooling Control Option)

    10.5 Heating/Cooling control action (When setting dead band) (Heating/Cooling control option) Heating P-band Dead band (Cooling P-band) Heatng (Cooling Control action action action) SV setting Relay contact output (OUT1) Cycle action is performed according to deviation. Non-contact 12V DC 12/0V DC 0V DC voltage output (OUT1)

  • Page 26: Specifications

    11. Specifications 11.1 Standard specifications Mounting : Flush Setting : Input system using membrane sheet key Display PV/SV display : Red LED 4 digits, character size, 8.7 x 5 mm (H x W) MEMO/STEP display: Green LED 1 digit, character size, 8.7 x 5 mm (H x W) Accuracy (Setting and Indication): Thermocouple : Within 0.2% of each input span 1 digit, or within 2 (4 ),...
  • Page 27 DI (Digital input) DI (Digital input) has 3 functions. • SV1/SV2 external selection function SV1 or SV2 can be switched by external contact. However, this function is not available if Program control function is selected during OUT/OFF key function selection. DI terminals between 10 and 12 Open: SV1 DI terminals between 10 and 12 Closed: SV2 •...
  • Page 28 [Input abnormality indication] Output status Output status Contents and selection Controller Converter Indication when input OUT1 OUT2 OUT1 abnormal Direct Reverse Direct Reverse Direct Reverse Overscale ON (20mA) Measured value or OUT1 high OFF(4mA) ON (20mA) OFF (4mA) has exceeded limit value (*) Indication range OUT1 low...

  • Page 29: Optional Specifications

    External dimensions : 48 x 24 x 98.5mm (W x H x D) Case (Material, Color) : Flame-resistant resin, Ash gray Accessories included : Instruction manual 1 copy, Mounting frame 1 piece Accessories sold separately: Shunt resistor 1 piece (50 ) : AKT4810 Terminal cover 1 piece : AKT2801...

  • Page 30: Key Operation

    Keep equipment that interferes with or makes noise, away from the controller. The PV/SV display is • Internal memory is defective. Contact the agent or Panasonic Industrial Devices SUNX Co., Ltd. indicating [ 12.2 Key operation Problem Presumed cause and solution •...

  • Page 31: Character Table

    12.3 Control Problem Presumed cause and solution Temperature does not rise. • Sensor is out of order. Replace the sensor. • Check whether sensor or actuator is securely connected to the input or output terminals of the instrument. • Ensure that the wiring of sensor and actuator are correct. The control output remains •...
  • Page 32 Phone: +81-568-33-7861 FAX: +81-568-33-8591 About our sale network, please visit our website. PRINTED IN JAPAN © Panasonic Industrial Devices SUNX Co., Ltd. 2012 Pursuant to the directive 2004/108/EC, article 9(2) Panasonic Electric Works Europe AG Rudolf-Diesel-Ring 2 83607 Holzkirchen, Germany This product has been developed / produced for industrial use only.

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