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10. Specifications 

10.1 Standard specification 

Model name

   

Temperature 

controller 

Mounting metho

    : DIN rail mounting method 

d

 

d

 

Setting

 

metho

 

: Input system using membrane sheet key 

Display

   

 

PV display 

: Red LED 4 digits, character size 7.4 x 4mm (H x W) 

               

SV display 

: Green LED 4 digits, character size 7.4 x 4mm 

(H x W) 

Input

     

 

Thermocouple : K, J, R, S, B, E, T, N, PL- , C (W/Re5-26)    External resistance: 100  or 

less 

However, for thermocouple B, external resistance, 40  or 

less 

 

RTD 

: Pt100, JPt100, 3-wire system 

                             Allowable 

input 

lead 

wire 

resistance 

(10  or 

less 

per wire) 
 

DC current 

: 0 to 20mA DC, 4 to 20mA DC, input impedance 50  

[Connect 50

 

shunt resistor (AKT4811, sold separately) between input   

terminals 5 and 6] 
Allowable input current: 50mA or less 

 

DC 

voltage   

:  

 

0 to 1V DC 

0 to 5V DC, 1 to 5V DC, 
0 to 10V DC 

Input impedance 

1M

 or 

greater 

100k  or 

greater 

Allowable input voltage  5V or less 

15V or less 

Allowable signal source
resistance 

2k  or 

less 

100  or 

less 

 

Accuracy (Setting and Indication) 

 

Thermocouple : Within

 

0.2% of input span 

1 digit, or 

2

 

(4 ) whichever is greater 

             R, 

input 

to 

200

 

(0 to 400 ): Within 

6

 

(12 ) 

             B 

input 

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 
 

DC voltage    : Within 

0.2% of input span 

1 digit 

 

DC current 

: Within 

0.2% of input span 

1 digit 

 

Input sampling period

 : 0.25 seconds 

Control

    

Control action 

• 

PID action (with auto-tuning function) 

o 0 

o 0 

o 0 

o 0 

• 

PI action: When derivative time is set t

• 

PD action (with manual reset function): When integral time is set t

• 

P action (with manual reset function): When derivative and integral time are set t

• 

ON/OFF action: When proportional band is set t

                   

OUT 

proportional 

band  : 

0.0 

to 

110.0% 

(ON/OFF 

action 

when 

set 

to 0.0) 
 

Integral time 

 

: 0 to 1000 seconds (Off when set to 0)   

 

Derivative time 

 

: 0 to 300 seconds (Off when set to 0) 

 

OUT proportional cycle : 1 to 120 seconds 

 

ARW       

to 

100%  

 Manual 

reset 

 

Proportional band converted value 

 

Output limit 

 

: 0 to 100% (DC current output type: –5 to 105%) 

 

(Not available for ON/OFF action) 

 

Hysteresis 

 

: Thermocouple and RTD inputs: 0.1 to 100.0

 

( ) 

 

DC voltage and current inputs: 1 to 1000 

 

(The placement of the decimal point follows the selection) 

Control output (OUT) 

• 

Relay contact: 1a, Control capa it     3A    250V AC (Resistive lo

c y

ad) 

 

1A    250V AC (Inductive load COS ø =0.4) 

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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