Auber Instruments DSPR400 Kullanım Kılavuzu - Sayfa 4

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Note 3. Digital sensor filter

If measurement input fluctuates due to noise, then a digital filter can be used to

smooth the input. "FILt" may be configured in the range of 1 to 6. Stronger

filtering increases the stability of the readout display, but causes more delay in

the response to change in temperature. By default, FILt is set to 1 (weakest

filtering).

Note 4. Temperature unit setting: C-F

C-F determines the temperature unit. It can be set to C (Celsius, ˚C) or F

(Fahrenheit, ˚F).

Note 5. High temperature turn off function: FF

This regulator has an automatic shut off feature, when the actual temperature is

over the limit temperature you set. The automatic output power shut off

mechanism is latched just like a limit controller. Once it is shut off, the heater will

not turn on unless the system is reset. Please check section 6.3 for details.

goto

syst

Knob

Timer function

Knob

High temp.

finishing

function

Knob

Timer counting

tdir

direction

Knob

Temp. reading

offset

Knob

filt

Digital filter

Knob

C-f

Temp. display

unit

Knob

rl1

off

Relay 1

mode

Figure 6. Flow chart of setting system parameters

2021.09

End

100

Press

Knob

Multi-function

key

key assignment

off

Press

Knob

Press

Alarm

sil2

suppression

for relay 2

Press

Knob

Press

Latching or pulse

lat2

action selection for

relay 2

Press

Knob

Press

Logic mode

lgc2

Rl-c

for relay 2

Knob

Press

Relay 2

rl2

mode

off

Press

Knob

Press

Alarm

sil1

suppression

for relay 1

Press

Knob

Press

Latching or

lat1

pulse action

selection for

relay 1

Press

Knob

Press

lgc1

Knob Press

Rl-c

Logic mode

for relay 1

6.2 Mashing Parameters

Table 2. Mashing parameters

Mashing Mode Parameters

Display

Code

Description

Mashing time set

value

Mashing timer start

tSP

temp.

Mashing alarm set

ALH

temp.

Mashing ending

options

oScr

Overshoot correction

AttE

Attenuation constant

Note 7. Timer Function: t, tSP, EO

This timer function allows the controller to show the mashing time. It makes a

beeping sound when timed out and will display the process is ended. It can also

automatically shut off the controller's power output after time out. The time

duration is set by the t parameter for mashing mode. The unit is hour: minutes.

When timer function is enabled, the timer counting will be started by timer start

temperature, tSP. When temperature reaches timer start temperature, the timer

starts to count. After timer started counting, it will continue even if the

temperature drops below this start temperature. The timer can be reset to start

from beginning again. To reset the timer, press the knob momentarily, the display

will show rSt on top and "n" at the bottom, rotate the dial clockwise will change

the bottom display to "y". Press the knob again will reset the timer (Figure 4)

After the timer starts, the top display will be switched between the current

temperature and current time alternately in every 6 seconds. The temperature

and time display can be easily differentiated with their appearance. The

temperature reading has two or three digits. For example, 212 degrees will be

displayed as "212". The timer display has four digits with flashing colon in the

middle. For example, "01:20" for 1 hour 20 minutes.

When time counting ends, the controller will generate six long beeps. The top

display will switch between the current temperature and "End" alternately. After

timer ends, the power output can be configured either to continue heating, or

shut off. It is controlled by the parameter called ending options, EO. Set it to

ON for continue heating, set it to OFF to turn off the output.

If you want to use the timer as a regular timer without correlating to the

temperature setting, you can set the tSP below the ambient temperature (or

zero). The timer will start as soon as the regulator is powered up. You can use

the reset button (rSt) to reset the timer at any time.

Note 8. Alarm Function (for built-in buzzer only): ALH

DSPR400 has a built-in buzzer that can be programmed to beep when

temperature reaches the alarm set temperature, ALH. The alarm will generate

four short beeps every time the temperature rise from below ALH to higher than

ALH. The alarm function can be used to notify the operator when temperature is

approach the boil. The alarm function does not affect the heating or the time

function, it only provides the alarm sound.

Note 9. Temperature Control Tuning Parameters: oScr, AttE

The mashing control mode utilizes AI algorithm instead of the commonly used

PID or On/off control algorithm. The program is optimized for beer mashing. For

most system, there is no need to tune. It allows the system to heat up at

maximum speed, then hold the temperature stable with one-degree precision. If

you are not satisfied with the control result, these two parameters will help you

to fine tune the system. The overshot correction, oScr is for adjusting the

temperature overshot during the initial heat up. For example, if the temperature

overshot 3 degrees, set oScr = 3 should remove the overshoot. This parameter

has no effect after the temperature reach the set point. The attenuation

constant, AttE is for adjusting the temperature stability during mashing. The

value is from -2 to +2. The default value is 0. If the temperature fluctuates more

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Initial

Setting Range

Remark

Setting

00:00~99:99

1:00

(hour: minute)

Note 7

-999~+9999 ° C

151

or ° F

-999~+9999 ° C

150

Note 8

or ° F

ON, OFF

OFF

Note 7

-100~+100

Note 9

-2~+2

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