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Summary: Parameter and its initial setting. 
 

Symbol Display 

Description 

Range 

Initial 

 

Proportional band (in 0.1 degree) 

0-600 

180 

Integral constant (second) 

0-900 

700 

Derivative constant (second) 

0-300 

40 

AT 

Auto-tune 0=off 

1=on 

Τ 

 

Cycle rate (second) 

1-100 

SC 

SC 

Off set (degree) 

-20~+20 

Out 

 

Output power reduction (%) 

1-100 

100 

C-F 

C-F 

Temperature unit   

°C or °F 

°F 

ΤΚ 

 Timer, 

 

1=on, 

0=off 

SV 

  

Set temperature 

0-120°C, 

32-248°F 140 

Timer 

  

Timer (hour) 

0-99.9 

99.9 

 

Table 2. List of control parameters and its initial settings 

 

Warranty 

Auber Instruments warrants this controller to be free from defects in material and 
workmanship for a period of one (1) year from the date of the original purchase when 
utilized for normal household use, subject to the following conditions, exclusions and 
exceptions. The sensor of the controller is warranted for 90 days. 
 
If your appliance fails to operate properly while in use under normal household 
conditions within the warranty period, return the complete appliance and accessories to 
Auber Instruments 
730 Culworth Manor 
Alpharetta, GA 30022. 
If the appliance is found by Auber Instruments to be defective in material or workmanship, 
Auber Instruments will repair or replace it free of charge. A dated proof of purchase may 
be required. 
 
The liability of Auber Instruments is limited solely to the cost of the repair or replacement 
of the unit at our discretion. This warranty does not cover normal wear of parts and does 
not apply to any unit that has been tampered with or used for commercial purposes. This 
limited warranty does not cover damage caused by misuse, abuse, negligent handling or 
damage due to faulty packaging or mishandling in transit. This warranty does not cover 
damage or defects caused by or resulting from damages from shipping or repairs, 
service or alterations to the product or any of its parts which have been performed by a 

 
 

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Содержание WS-1500A

Страница 1: ...pliances and your safety is paramount SAFETY WARNINGS This controller is designed only to be used with devices that have limited power and their own thermal cut off protection such as a thermostat or...

Страница 2: ...es caused by misuse of the controller If you are not sure the controller can be used please contact Auber Instruments before use If an abnormal display or noise is observed turn the controller off unp...

Страница 3: ...Controller Mode PID PI PD or P Output switching device Built in optically isolated solid state relay with zero voltage crossing switching Sensor tip dimensions 5 mm diameter x 70 mm long Sensor cable...

Страница 4: ...erature settings getting into parameters setting mode and confirming various actions taken 4 Key To increment displayed value 5 Key To decrement displayed value 6 Time Key Change the Parameter Window...

Страница 5: ...ollowing steps Plug the temperature sensor to the back of the controller Plug the power cord to the back of the controller and the other end to the power outlet on the wall Turn on the controller to m...

Страница 6: ...onfirmed The display will return to the normal display mode if no key is pressed within 3 seconds Using the timer The timer can be used in two different ways a Use it as timer If you set the timer for...

Страница 7: ...d 2 that it must be tuned to the cooker being used Tuning is the process that matches the control characteristics of the controller to the heating characteristics of the cooker The controller is said...

Страница 8: ...ostat or power control turn both as high as they ll go Set the controller to the appropriate power level see next Section Turn the controller and cooker on and then enter the desired set point tempera...

Страница 9: ...off This constant also affects both integral and derivative action Smaller P values will make the both integral and derivative action stronger Please note the value of the P is temperature unit sensi...

Страница 10: ...show P for a second and then its P setting value Use and keys to change the setting When finished press the SET again to confirm the change The display will show the I for a second and its I setting...

Страница 11: ...the temperature with proper PID parameters it is much easier to control if you limit the maximum output to 25 Ideally an optimized temperature control system should consume about 25 of the heater powe...

Страница 12: ...o confirm the change For example if the temperature is 1 C too high during calibration then use to set the value to 1 to offset value Setting the output reduction The parameter window will first show...

Страница 13: ...days If your appliance fails to operate properly while in use under normal household conditions within the warranty period return the complete appliance and accessories to Auber Instruments 730 Culwor...

Страница 14: ...efore the above may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state or province to province Important Carefully pack it...

Страница 15: ...e about 1 3 watts of heat When 15 Amp is passing through the controller 20 watt of heat is produced in the controller As more heat is produced the temperature inside the controller will rise If it rea...

Страница 16: ...e current is much lower making heat not an issue 2 Limit maximum output power If you set output reduction parameter to 80 then a 15 A heater will become a 12 A heater It will take 25 longer time to he...

Страница 17: ...et Based on the temperature controlling method we can classify the slow cooker control method into two classes PID and PD when I 0 No I We will discuss the advantages and limitations of each method A...

Страница 18: ...s to the set temperature Because the very slow response of the slow cooker it is very difficult to not have any temperature overshoot when PID mode is used However if you are making sous vide and want...

Страница 19: ...ttle will affect the heating speed It will also affect the control quality When the water volume is less than 0 5 liter it might become difficult to control In that case you need to reduce the output...

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