E33.0.31.6C-02
Manual for connection and operation of the GIR230 Pt1000 / DIF and GIR230 NTC /DIF
Page 9 of 14
Now you finished configuring the switching points of your device. Press button 1 to switch over to display the
measuring value.
5.2. 2-point-controller with alarm function, 3-point-controller with alarm function
This chapter describes how to configure the device as a 2-point-controller with alarm function or 3-point-
controller with alarm function. This instruction demands that you selected “
2P.AL
“ or “
3P.AL
“ as your desired
output function.
- Press button 1
(when not already done).
The device will be displaying “
1.on
“ (turn-on-point of output 1).
- Use button 2 and button 3 to set the desired value, the device’s output 1 should be turning on.
- Press button 1 to validate your selection. The display shows “
1.on
“ again.
- When pressing button 1 again, the device will be displaying “
1.off
“. (turn-off-point of output 1)
- Use button 2 and button 3 to set the desired value, the device’s output 1 should be turning off.
- Press button 1 to validate your selection. The display shows “
1.off
“again.
Example: You want to control the temperature of a cooling chamber between –20°C and –22°C.
Therefor you will have to select –20°C for the turn-on-point 1 “1.on“ and –22°C for the turn-off-
point 1 “1.off“. When the temperature rises above –20°C the device turns its output 1 on, when
falling below –22°C the device will turn its output 1 off .
Note: Depending on the inertia of your cooling circuit an overshooting of the temperature may be possible.
.
When selected '3-point-controller with alarm function', you have to select the switching points for the second
switching function (“
2.on
“, “
2.off
“). Configuring these settings like the first switching function.
After that the alarm outputs have to be configured.
- When pressing button 1, the device will be displaying “
AL.Hi
“. (maximum alarm-value)
- Use button 2 and button 3 to set the desired value, the device should turn on its maximum-alarm.
- Press button 1 to validate your selection. The display shows “
AL.Hi
“ again.
- When pressing button 1 again, the device will be displaying “
AL.Lo
“. (minimum alarm-value)
- Use button 2 and button 3 to set the desired value, the device should turn on its minimum-alarm
- Press button 1 to validate your selection. The display shows “
AL.Lo
“ again.
- When pressing button 1 again, the device will be displaying “
A.dEL
“. (delay of the alarm-function)
- Use button 2 and button 3 to set the desired delay of the alarm-function.
Note: The unit of the value to be set [0 .. 9999] is in seconds. The device will turn on the alarm after
the minimum or maximum alarm value was active for the delay-time you have set.
- Press button 1 to validate the delay time. The display shows “
A.dEL
“ again.
Example: You want to have an alarm monitoring for the cooling chamber mentioned above. The alarms
should start when the temperature will be rising above –15°C or falling below –30°C.
Therefore you have to select –15°C for the maximum alarm-value “Al.Hi“ and –30°C for the mini-
mum alarm-value “AL.Lo“.
The alarm will be starting after the temperature rises above –15°C and stays above –15°C for the
entered delay time or after it had been falling below –30°C and stays below –30°C for the entered
delay time.
Please note that the alarm-outputs are inverted! This means, that the output will be active if there is no
alarm!
Now you finished configuring your device. Press button 1 to switch over to display the measuring value.