Instruction manual

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Operation Instruction Manual

WS-1500EBPM

Precision PID Temperature Controller

Version 1.1

Auber Instruments

5755 North Point Parkway, Suite 99

Alpharetta, GA 30022

770-569-8420

www.auberins.com

May, 2013

Introduction

Thank you for purchasing the Auber WS series temperature controller. We sincerely

appreciate your decision and trust that our machine will meet your expectations in both

the quality of the result and the value of our product. While we are delighted that you may

be anxious to operate the controller for your project, a few minutes of your time reading

through this manual will only serve to enhance your experience in the months and years

ahead. In particular, we urge you to read through the safety warnings below. Although

this plug-and-play controller is very easy to operate, the process involves high

temperature and high wattage appliances, 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 cutoff protection, such as a thermostat or thermal fuse in

case of controller failure.

 Do not place any objects on the top of controller surface which is used to vent

excess heat during its operation.

 The maximum electric current this controller can handle is 15 Ampere. For 120

volt AC in US and Canada, this limits the heater power to 1800 watts. Due to its

compact size and the splash proof design for kitchen applications, the controller

has a limited ability to dissipate the heat generated by the internal solid state relay

during the initial heat up. The initial full power heat up process cannot be more

than 90 minutes. If you system need take longer time to warm up, please read

Appendix 1 “Managing the heat generated by the controller”

 Always place the sensor in the controlled subject when the controller is on.

Before turning on the controller, please make sure the sensor is placed inside the

container to be controlled. Leaving the sensor outside will form an open loop

Summary of content (19 pages)

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Operation Instruction Manual WS-1500EBPM Precision PID Temperature Controller Version 1.1 Auber Instruments 5755 North Point Parkway, Suite 99 Alpharetta, GA 30022 770-569-8420 www.auberins.com May, 2013 Introduction Thank you for purchasing the Auber WS series temperature controller. We sincerely appreciate your decision and trust that our machine will meet your expectations in both the quality of the result and the value of our product.
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    operation. If the sensor is left outside, the controller will assume the temperature is low even if the controlled subject is already very hot. The controller will provide full power to the heater. It will not only overheat the controller, but also damage your appliance possibly causing a fire. If the sensor is not permanently mounted on the system and is left outside of the system, this could become a potential problem, you should enable the open loop alarm function (see page 11 for details).
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1) Description of the controller. Figure 1. Front Panel (1) Parameter Window (LED) - For displaying temperature values and controller's system parameters. (2) Output status indicator - In normal mode, this LED indicates the heater status. When it is on (lit), the heater is powered. When it is off, the heater power is off. When it is flashing, it means the heater is on and off intermittently to reduce the power output. It should be synchronized with the power light on the cooking device.
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 When it is flashing “(8)” is off, the controller is in the parameter setting mode. “(1)” is the value can be changed by using (4) and (5) key. Figure 2. Back Panel 2) Connecting the controller Figure 3. Typical connection between the controller and the heating device (in this example, the cooker). The connection of the controller should be done in the following steps.  Plug the temperature sensor to the back of the controller.  Plug the power cord to the power outlet on the wall.
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 Turn on the controller to make sure the controller powers up properly, and the temperature display is in the range expected. Then, turn off the controller.  Plug the heater to the back of the controller. If the heater has a switch, put it in the off position. Put the sensor inside the container to be controlled.  Turn on the controller.  Turn on the heating device. Remark The connector of sensor contains a slot for correct pin connection.
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Figure 5. How to remove the sensor. 3) Programming the temperature profile. A total of 6 steps can be programmed with this controller. Each step contains the temperature (C0X) and time duration (T0X) setting. They are represented by the symbol C0X and T0X, where “X” is the step number (e.g. Step 4 temperature is represented by C04 and step 4 time is represented by T04). The character, “T”, is displayed as the symbol, “ ”. Time is defined as the duration between the last step and the next step.
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SET 4 sec SET SET SET SET SET SET SET SET SET SET SET SET SET SET Figure 6. Temperature profile programming flow chart. The temperature setting will not be changed if SET is not pressed (confirmed). After programming the necessary steps for cooking, you can finish programming by pressing the SET continuously until it passed T06 and the LED displays the current temperature. You can also leave the controller alone.
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Table 1. Initial program setting Step # Temp (C) Step # Time (min) C01 60.0 T01 600 C02 0 T02 0 C03 0 T03 0 C04 0 T04 0 C05 0 T05 0 C06 0 T06 0 4) Checking the current step and display the time This is done by pressing the Time Key “(6)” once. The display will show T0X for one second before it displays the time it has been on that step. e.g., it will display t03 for a second, if the controller is in step 3 of the process.
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Slow cooker, 7 quart 180 700 40 Slow cooker, 4 quart 54 60 15 Slow cooker, PD mode (low overshoot) 40 0 40 Bradley Smoker 70 600 150 Please note that the P value in table is in Fahrenheit unit. If the controller is using Celsius unit, divide the P value by 1.8. If you switch from Fahrenheit display to Celsius, the controller will automatically convert all the settings. 4) Controller System Configuration Parameter.
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by 1.8 when changed to Fahrenheit.    On/off mode. If P is set to 0, the control mode will be changed from PID mode to On/off mode. On/off mode should be used for controlling an external relay, a solenoid valve, or a compressor of freezer. You also need to set the hysteresis band (dead band) for the on/off mode. In the on/off mode, Integral and Derivative parameters are not valid. I. Integral time. The unit is in seconds.
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Figure 7. Auto-Tuning Before using the auto-tune function, you must set the cooking equipment up in the exact configuration it will be used. For example, to tune a rice cooker, place the sensor in the room temperature pot filled with water and plug the cooker into the controller. If the cooker has its own thermostat or power control, turn both as high as they’ll go. Set the controller to the appropriate power level (see next Section).
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every 10 seconds. This parameter should set at 2 second for heating with an electric heater. When controlling a solenoid valve or a compressor of refrigerator, the T should be set to 10-20 to reduce the frequency of on/off. To prevent changing critical parameters by accident, an access lock, LCK is used. Special code is needed to open the lock for these parameters. This group of parameters can be accessed by input code 166. Figure 8 is the flow chart that shows how they can be changed. Figure 8.
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and press SET will activate the auto-tune. The next setting is the “t” setting, use “-” and “+” to set the cycle time value. This value should remain 2 for most application. After change the PID parameter, the controller needs to be turned off and on again for the best result. B) The second group is about the system configuration and set up. Once they are set, they normally do not need to be changed. This group of parameters can be accessed by input code 155.
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    output if the temperature increased less than 3 °C (5 °F) after the controller was powered up for 5 minutes. The alarm buzzer will be turned on at the same time. The display will flashing OPEN (oPEn). Hy. Hysteresis band (or dead band). This parameter is used for on/off control only. In the on/off heating mode, the heater will be turned off when T = SV, and turned on again when T
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Figure 9. Code 155 Parameter setup flow chart Press and hold SET key for 4 seconds until the Parameter Window displays “LCK”. Release the SET. The display will show “0”. Use “+” and “-” keys to adjust the display to 155 (another pass code) and press SET. Setting the calibration offset. The parameter window will first show “SC “for a second and then its value, Use “+” and “-” keys to change the setting. When finished, press the SET again to confirm the change.
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The setting for AL, FA, oAL, Hy, Cool and TK are similar as the rest of parameters. 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 use, subject to the following conditions, exclusions and exceptions.
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“ATTENTION CUSTOMER SERVICE”. We are constantly striving to improve our products and therefore the specifications contained herein are subject to change without notice.
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Appendix 1 Managing the heat generated by the controller The heat dissipation of the controller is directly related to the electric current drawing power of the heater. If your cooker consumes less than 10 ampere of current or your pot is less than 5 gal (19 liters), you do not need to worry about the heat generated by the controller. Sometimes, the AC current requirement might not be marked on the cooking appliance.
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minutes will provide enough energy to heat 10 gallons (38 liters) of water up by 108°F (60 °C). If your have a pot that is bigger than 10 gallons and the heater is drawing 15 A, and you need to raise the temperature by 108 °F, you better use one of the methods mentioned below to reduce the heat in the controller. Otherwise, you might damage the controller.