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INSTRUCTION MANUAL 

Micro-computer based digital indicating controller          TP40A 

 

 

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

 

 

Caution

 

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

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

• Be sure to follow the warnings, cautions and notices. If not, it could cause serious injury or malfunction. 
• Specifications of the TP40A and 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 and 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. 

• IMO Precision Controls Limited is not liable for any damages or secondary damages incurred as a result 

of using this product, including any indirect damages. 

 

1. Name 

   1.1 Model name 

                          TP40A                                , 

Series name: TP40A (W48 x H48 x D96.5mm) 

R   

 

 

Relay contact: 1a 

S   

 

 

Non-contact voltage (for SSR drive): 12

+2

  0

V DC 

A   

 

 

DC current: 4 to 20mA DC 

OUT1 

V   

 

 

DC voltage, 0 – 10 VDC 

Input 

M   

 

Multi-range   *2 

 

A2 

Alarm 2 (A2)   *1 

 

W (5A) 

CT rated current: 5A 

 W 

(10A) 

Heater burnout alarm 

CT rated current: 10A 

 DT 

OUT2 

(Heating/Cooling 

  

control output) 

Non-contact relay 
 

 

C5 

Serial communication (RS-485) 

 

SM 

SV1/SV2 external selection 

Option 

 

LA 

Loop break alarm 

*1: Alarm actions (9 types and No alarm action) and Energized/Deenergized can be selected by key   

operation. 

*2: Thermocouple, RTD, DC current, and DC voltage can be selected by key operation. 
*3: 100 to 240V AC is standard specification for the supply voltage. However, when ordering please 
  specify 240AC for 100-240AC supply or 24DC for 24VAC/DC. 

 

 

 

 

 

 

 

 

 

Summary of Contents for TP40A

Page 1: ...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 pr...

Page 2: ...key the setting value or selected value can be registered 14 OUT OFF key The control output ON OFF function or Auto Manual control function can be switched To cancel the control output ON OFF function...

Page 3: ...unting Mount the controller vertically to fulfill the Dust proof Drip proof specification IP66 Mountable panel thickness Within 1 to 15mm Insert the controller from the front side of the panel Attach...

Page 4: ...uilt in power switch circuit breaker or fuse Therefore it is necessary to install them in the circuit near the external controller Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A...

Page 5: ...he input range high limit value is indicated on the SV display for approximately 3 seconds Table 5 1 If any other value is set during the scaling high limit setting the set value is indicated on the S...

Page 6: ...OUT1 high limit setting A1 action delayed timer setting OUT1 proportional cycle setting Data transfer rate selection OUT1 low limit setting A2 action delayed timer setting OUT2 proportional cycle sett...

Page 7: ...Not available when OUT1 is ON OFF action Auto reset can be performed when PD action I 0 Setting range 0 to 1000 seconds 200 seconds Derivative time setting Sets derivative time for OUT1 Setting the va...

Page 8: ...ds on the designation When Lock 1 or Lock 2 is designated PID Auto tuning and Auto reset cannot be carried out Unlock Unlock All setting values can be changed Lock 1 None of the setting values can be...

Page 9: ...0 4 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 K 320 to 2500 199 9 to 750 0 J 320 to 1800 R 0 to 3200 S 0 to 3200...

Page 10: ...to 100 0 or 1 to 1000 0 OUT2 ON OFF action hysteresis setting Sets ON OFF action hysteresis for OUT2 Available only when the option DT is added Setting range 0 1 to 100 0 or 1 to 1000 1 0 A1 action se...

Page 11: ...is overscale or underscale Available only for DC current output type with DC inputs Output OFF Output ON Output OFF OUT OFF key function selection Selects whether OUT OFF key is used for control outp...

Page 12: ...of the unused instrument of the plural units OFF even if the power to the instrument is supplied is indicated on the PV display while the function is working Once the control output OFF function is en...

Page 13: ...dby High Low limit alarm with standby Low limit alarm with standby OFF ON A1 hysteresis OFF ON SV setting OFF ON A1 hysteresis OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Alarm action Alarm action Alarm...

Page 14: ...or OFF unlit Represents Heating control action Represents Cooling control action 7 6 OUT2 Heating Cooling control action When setting Dead band Changes continuously according to deviation Non contact...

Page 15: ...the temperature rises When AT bias is set to 20 fluctuation is applied at the temperature 20 lower than the setting value 15 1 2 3 4 Temperature Setting value 1 Calculating PID constant 2 PID constant...

Page 16: ...reater Allowable input voltage 15V or less Allowable signal source resistance 100 or less OUT1 output Relay contact 1a Control capacity 3A 250V AC resistive load 1A 250V AC inductive load cos 0 4 Elec...

Page 17: ...370 to 1850 370 to 1850 0 to 1760 50 to 1810 50 to 1810 R S 0 to 3200 50 to 3250 50 to 3250 0 to 1820 50 to 1870 50 to 1870 B 0 to 3300 50 to 3350 50 to 3350 200 to 800 250 to 850 250 to 850 E 320 to...

Page 18: ...breaking status on the loop such as heater burnout sensor burnout or actuator trouble The output terminals will be common if the options W and A2 are applied together Setting range Loop break alarm ac...

Page 19: ...e the function is blinking on the PV display Thermocouple RTD or DC voltage 0 to 1V DC is burnt out Change each sensor How to check sensor burnout Thermocouple If the input terminal of the instrument...

Page 20: ...nterference or noise away from the controller The PV display is indicating Internal memory is defective Contact our agency or us 10 2 Key operation Problem Presumed cause and solution Unable to set th...

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