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Instruction manual

               

Temperature Controller  KT7

 

 

To prevent accidents arising from the misuse of this controller, please ensure the operator using it   
receives this manual.

 

SAFETY PRECAUTIONS 

Be sure to read these precautions before using our products.

 

The safety precautions are classified into categories: “Warning” and “Caution”. 

  Warning 

: Procedures which may lead to dangerous conditions and cause death or serious injury, 

if not 
 

carried out properly. 

  Caution : Procedures which may lead to dangerous conditions and cause superficial to medium injury 

 

or physical damage or may degrade or damage the product, if not carried out properly. 

 

Warning

 

• When using this controller on occasions which serious injury would be expected to occur or when damage
  is likely to expand or proliferate, make sure to take safety measures such as installing double safety
 structures.

 

• Do not use this controller in an environment with flammable gases, or it may cause explosion.

 

 

Caution

 

•  Fasten the electric wire with the terminal screws securely. Imperfect connection may cause abnormal 
  heating or fumes. 
• Use this controller according to the rating and environmental conditions. Otherwise abnormal heating or 
  fumes may occur. 
• Do not touch the terminals while the power is supplied to the controller, as this may cause electric shock. 
• Do not disassemble or modify the controller, as this may cause electric shock or fumes.

 

 

 

Caution

 

 This instrument should be used according to the specifications described in this manual. 

If it is not used according to the specifications, it may malfunction or cause fire. 

 Be sure to follow the warnings, cautions and notice. If not, it could cause serious injury or accidents. 

 The contents of this instruction manual are subject to change without notice. 

• This instrument is designed to be installed in a control panel. If not, measures must be taken to ensure 

that the operator cannot touch power terminals or other high voltage sections. 

• Be sure to turn the power supplied to the instrument OFF before cleaning this instrument. 

• Use a soft, dry cloth when cleaning the instrument. 

(If paint thinner is used, it might deform or tarnish the unit.) 

• As the display section is vulnerable, do not strike or scratch it with a hard object.

 

 Any unauthorized transfer or copying of this document, in part or in whole, is prohibited. 

 Tatsuno Matsushita Electric

 Works, Ltd. is not liable for any damages or secondary damages incurred as 

a result of using this product, including any indirect damages. 

 

1. Model number 

1.1 Explanation of model number 

A    K    T    7   

 

1       1

 

0

 

 

 

 

(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 key operation) 

(3) Control output (OUT) --------------  1: Relay contact, 2: Non-contact voltage, 3: DC current 
(4) Alarm output -------------------------  1: Alarm output (1 point) 

 

(The alarm action and Energized /Deenergized can be selected   

 

by key operation) 

(5) Heater burnout alarm -------------    0:  Not  available,  1: Available (5A), 2: Available (10A), 3: 
Available  
 

(20A), 4: Available (50A) 

 

(Heater burnout alarm is not available for the DC current output) 

Содержание KT7

Страница 1: ...ed according to the specifications described in this manual If it is not used according to the specifications it may malfunction or cause fire Be sure to follow the warnings cautions and notice If not...

Страница 2: ...rease key Decreases the numeric value 8 Mode key Selects the setting mode or registers the setting value By pressing the Mode key the setting value can be registered 9 Sub mode key Brings up Auxiliary...

Страница 3: ...contact with the controller...

Страница 4: ...n DIN rail is mounted vertically be sure to use commercially available fastening plates at the end of KT7 series Mount the KT7 series to the DIN rail so that the KT7 series cannot move However if the...

Страница 5: ...nal screw with the specified torque If not it may damage the terminal screw and deform the case Use thermocouple and compensating lead wire that fit sensor input specification of this unit Use the 3 w...

Страница 6: ...ned on the sensor input characters and temperature unit are indicated on the PV display and the input range high limit value is indicated on the SV display for approx 3 seconds Table 5 1 If any other...

Страница 7: ...500 0 199 9 to 900 0 0 1 JPt100 200 to 500 300 to 900 1 4 to 20mA DC 1999 to 9999 1 2 1 0 to 20mA DC 1999 to 9999 1 2 1 0 to 1V DC 1999 to 9999 1 1 0 to 5V DC 1999 to 9999 1 1 1 to 5V DC 1999 to 9999...

Страница 8: ...e time setting Decimal point place selection ARW setting PV filter time constant setting OUT proportional cycle setting OUT high limit setting Manual reset setting OUT low limit setting Alarm setting...

Страница 9: ...d Approx 3s Press the for 3 seconds while the key is being pressed Approx 3s Press the for 3 seconds while the key is being pressed When setting a value or selecting an item in the setting modes use t...

Страница 10: ...tting the value to 0 disables the function This setting item is not indicated for ON OFF action Setting range 0 to 300 seconds 50 seconds Anti reset windup setting Sets anti reset windup Available onl...

Страница 11: ...larm action type Setting range High limit alarm Scaling span to scaling span Low limit alarm Scaling span to scaling span High Low limits alarm 0 to scaling span High Low limit range alarm 0 to scalin...

Страница 12: ...to 20mA 1999 to 9999 0 to 20mA 1999 to 9999 0 to 1V 1999 to 9999 0 to 5V 1999 to 9999 1 to 5V 1999 to 9999 0 to 10V 1999 to 9999 Scaling high limit setting Sets the scaling high limit value Setting ra...

Страница 13: ...Not available if No alarm action is selected in the Alarm action selection Energized Deenergized Energized Alarm HOLD function selection Selects whether alarm HOLD function is Used or Not used If ala...

Страница 14: ...ue In such a case the control can be set at the desired temperature by adjusting the input value of sensors Loop break alarm The alarm will be activated when the process variable PV does not rise to t...

Страница 15: ......

Страница 16: ...sensor type from Input type selection 5 Set the high limit of the value that is going to be converted during Scaling high limit setting 6 Set the low limit of the value that is going to be converted d...

Страница 17: ...DC Cycle action is performed according to deviation Cycle action is performed according to deviation Cycle action is performed according to deviation Changes continuously according to deviation Unlit...

Страница 18: ...g side side side side SV setting A1 setting point A1 setting point A1 setting point SV setting A1 setting point SV setting A1 setting point A1 setting point A1 setting point SV setting A1 setting poin...

Страница 19: ...tant PID contatnt calculated Controlled by the PID constant set by auto tuning AT bias value 1 2 3 4 2 When the control is stable Fluctuation is applied at the setting value Temp Time AT 1 2 3 AT Auto...

Страница 20: ...Within 6 12 B input 0 to 300 0 to 600 Accuracy is not guaranteed K J E N input less than 0 32 Within 0 4 of input span 1 digit RTD Within 0 1 of input span 1 digit or within 1 2 whichever is greater D...

Страница 21: ...ical life 100 000 times Non contact voltage for SSR drive 12 V DC Max 40mA Short circuit protected DC current 4 to 20mA DC Load resistance Max 550 Output accuracy Within 0 3 of output span Resolution...

Страница 22: ...ed Deenergized can be selected Energized Deenergized Red EVT LED Lights Lights EVT output ON OFF Alarm HOLD function selection Once the alarm is activated alarm output is held until the power is turne...

Страница 23: ...OFF for DC current output type OUT low limit value However for manual control it outputs the preset manipulated variable Input Input range Indication range Control range 199 9 to 400 0 199 9 to 450 0...

Страница 24: ...s the burnout When this option is added this option shares common output with Alarm output and Loop break alarm This option cannot be applied to DC current output type Rating 5A 10A 20A 50A Must be sp...

Страница 25: ...ured object is indicated on the PV display Internal memory is defective Contact our agency or us 11 2 Key operation Problem Presumed cause and solution Setting values do not change even if the or key...

Страница 26: ...Matsushita Electric Works Ltd Tatsuno Matsushita Electric Works Ltd Mail address 300 Katayama Tatsuno cho Tatsuno city Hyogo pref Japan Telephone 81 791 63 0511 No KT71E1 2002 03...

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