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User manual
ALFA 13 DP Pt100 and
ALFANET 13 DP Pt100
Min./Max. Alarm Thermostat.
VDH doc. 072376
Software: 053308_ALFA 13/33DP
* Function.
The ALFA(NET) 13 DP Pt100 is a digital alarm thermostat for rail mounting. The thermostat
watches the minimum and maximum temperature. The temperature readout is in tenth of degrees
Celsius. The ALFA(NET) 13 DP Pt100 has one relay for both alarms.
The ALFANET 13 DP has a RS 485 network connection so it can be read out and adjusted on the
Alfanet.
* Installation.
On the connection diagram of the ALFA(NET) 13 DP Pt100 is shown how the sensor, power supply
and relay are connected.
After connecting the ALFA(NET) 13 DP Pt100 to the power supply, a self-test function is started. As
this test is finished, the measured temperature appears in the display.
The relay is normally activated, and with an alarm it is deactivated, and the led 'set high' will be lit in
the display.
* Control.
The ALFA 13 DP Pt100 alarm-thermostat can be controlled by three push buttons on the front;
SET
- view / change set points and reset of alarm.
UP
- increase a set point.
DOWN
- decrease a set point.
* Viewing set points.
Viewing set point of maximum alarm:
By pushing the SET key first and then the UP key together the maximum alarm set point
appears in the display. The led 'set high' starts blinking.
Viewing set point of minimum alarm:
By pushing the SET key first and then the DOWN key together the maximum alarm set point
appears in the display. The led 'set low' starts blinking.
A few seconds after releasing the keys the set point disappears and the measured temperature is
shown in the display.
Version: v2.0
File: Do072376.wpd
1
Date: 12-11-2007
Range: -10/+40C per 0,1C
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Summary of Contents for VDH ALFA 13 DP Pt100
-
Page 1: User Manual
The relay is normally activated, and with an alarm it is deactivated, and the led 'set high' will be lit in the display. * Control. The ALFA 13 DP Pt100 alarm-thermostat can be controlled by three push buttons on the front; - view / change set points and reset of alarm. - increase a set point. -
Page 2: Error Messages
- Replace the sensor. - Settings are lost. Solution: - Reprogram the settings. * Technical details. Model : ALFA 13 DP Pt100 Alarm Thermostat : ALFANET 13 DP Pt100 Alarm Thermostat with Network Range : -10/+40C, readout per 0,1C Supply... - Page 3 * Setting internal parameters. Next to the adjustment of the set point, some other internal settings are possible, like differential, sensor-offset, set point range. By pushing the DOWN key more than 10 seconds, you enter the 'internal programming menu'. In the left display the upper and lower segment are blinking.
- Page 4 * Dimensions. * Connections. * Address. VDH Products BV Tel: +31 (0)50 - 30 28 900 Produktieweg 1 Fax: +31 (0)50 - 30 28 980 9301 ZR Roden Email: info@vdhproducts.nl The Netherlands Internet: www.vdhproducts.nl...
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Questions and answers
what is err -1·8 meanie and how to solve it ?
The error code "err -1.8" on the VDH ALFA 13 DP Pt100 indicates a sensor error or incorrect sensor connection. This can happen if the sensor is not properly connected, damaged, or incompatible.
Resolution:
- Check that the Pt100 sensor is correctly and securely connected.
- Ensure the sensor is not damaged.
- Verify that the correct type of sensor (Pt100) is being used.
- If needed, replace the sensor.
Proper reconnection or replacement should resolve the issue.
This answer is automatically generated
what is err -1·8 meanie