Auber SYL-1615 Instruction Manual - Page 3

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AUBER INSTRUMENTS

Note 14. Display unit selection CorF: 0 for Celsius (°C); 1 for Fahrenheit (°F).

6. Auto-Tune

The Auto-tune is a feature to let the controller automatically determine the PID

constants to control the object efficiently. The auto-tune function will heat up the

system then let it cool down. It will repeat this about three times. Based on the

response time of the system, the built-in artificial intelligence program will calculate

and set the PID parameters for the controller. The duration of auto-tune depends on

how long to heat up and cool down the system. If the system is very slow to cool

down, the auto tuning could take a long time.

6.1 Auto-tune curve

AT start

ON OFF

ON/OFF

Figure 8. Auto tuning

6.2 Auto-tune process

1) To active auto tuning: Press and hold > key until the "AT" indicator starts to blink,

which indicates auto-tuning is in process. When "AT" stops blinking, the auto-tuning is

finished. The parameter obtained from auto-tune will be remembered by the controller

unless it is manually changed.

2) To stop auto-tuning: During auto-tuning process, press and hold > until "AT"

indicator stops blinking. Then the previous PID parameters value are resumed.

7. On/off Control Mode

On/off control mode always work even if the system response is unknown. Instead of

holding the temperature at a specific point as the PID mode, on/off control mode will

hold the temperature is a narrow range. Instead of setting the P, I and D parameters,

you just need to set the target temperature and the hysteresis band. It works similar to

a mechanical thermostat. When the temperature passes the set point, the fan will be

turned off. When the temperature drops back to below the hysteresis band (dead

band) the fan will be on again.

To use the on/off mode, set Outy to 3. Then, set the Hy to the desired range based on

control precision requirement. Smaller Hy results in tighter temperature control but

also cause the on/off action more frequent. In the PID parameters menu (code 0036),

only ot and FILT is used. P, I, D and SouF are not meaningful when controller is in on/

off mode.

100

SV-Hy

Fan on

Figure 9. On/off control mode

8. Limit Control Mode

The limit control mode will shut the fan off when the (SV) is reached. The fan will not be

turned on again until the controller is reset manually (press the SET for 5 seconds).

When powered on, it will not start the fan until reset button pressed. The controller can't

be reset when the temperature is within the hysteresis band (Hy).

To use the Limit control mode, set Outy=6. Then, set the Hy to the range that you want

reset to be blocked. To start the fan, press SET key for 5 seconds or until the output

indicator is on.

100

SV-Hy

Start

Fan on

Figure 10. Limit control mode

2013.05

AT end

AT calculation

OFF

PID

When heating, and outy=3,

If PV≤(SV-Hy), relay on

If PV≥SV, relay off

(SV=100, Hy=3)

When heating, Outy=6

If PV≤(SV-Hy), relay on

If PV≥SV, relay off

(SV=100, Hy=3)

9. Placing the meter

The operating environment temperature for the meter is from -20-50°C (or, 0-100°F).

The meter should be placed away from high heat to protect the plastic housing and

electronics. Two mounting options are provided.

1) A pair of Velcro® fastener. The Velcro has a pressure sensitive adhesive backing.

You can remove the protecting film from the hook piece and stick it to the back of the

meter (see figure 11). Then remove the protecting film from the loop piece and install it

onto the wall. Please note that the pressure sensitive adhesive on Velcro is industrial

grade with strong holding force. It needs to be stick on solid surface. Don't put it on a

drywall because it may peel off the paint if you decided to remove it later

2) A stainless steel mounting plate. The plate allows the meter to be hung on a hook or

on a nail. It also allows the meter to be permanently mounted with a screw. The

bottom part of the stainless steel mounting plate is covered with pressure sensitive

adhesive. To install it onto the meter, peel off the pink colored releasing film; press it

firmly onto the back of the meter (see figure 11).

Figure 11. Left, using Velcro for mounting. Right, using stainless steel plate for mounting.

10. Error Message and trouble shooting

10.1 Display EEEE

This is an input error message. The possible reasons are, the sensor is not connected

correctly; the input setting is wrong type; or the sensor is defective. If this happens, you

can short two slots of the female thermcouple connector on the controller with a paper

clip or copper wire. If the display shows the ambient temperature, the thermocouple is

defective. If it still displays EEEE, check the input setting, Inty, to make sure it is set to

the right thermocouple type. If Inty setting is correct, the controller is defective.

10.2 No output

The "OUT" LED is synchronized with output. If there is no output when it is supposed

to, check the OUT Indicator first. If it is not lit, the controller parameter setting is wrong.

10.3 Poor Accuracy

Please make sure calibration is done by immersing the probe in liquid. Comparing with

reference in air is not recommended because response time of sensor depends on its

mass. Some of our sensor has response time >10 minutes in the air. When the error is

larger than 5°F, the most common problem is improper connection between the

thermocouple and the controller. The thermocouple needs to be connected directly to

the controller unless an extension wire is used. A copper connector, copper wire, or

thermocouple extension wire with wrong polarity connected on the thermocouple will

cause the reading drift more than 5°F.

Appendix 1

Table 4. Other types of thermocouple and their code that can also been used with this

controller.

Description

Working Temperature Range

Symbol

T Thermocouple

-200~400 °C; -320~752 °F

R Thermocouple

-50~1600 °C; -58~2900 °F

J Thermocouple

-200~1200°C; -320~2200 °F

wre

Wre3/25 TC

B Thermocouple

350~1800°C; 660~3300 °F

S Thermocouple

K Thermocouple

-200~1300°C; -320~2400 °F

E Thermocouple

Auber Instruments Inc.

5755 N Point Parkway, Suite 99, Alpharetta, GA 30022

www.auberins.com

e-mail: [email protected] Tel: 770-569-8420

WWW.AUBERINS.COM

0~2300°C; 32~4200 °F

-50~1600°C; -58~2900 °F

-200~900°C; -320~1650 °F

P3/3