Table of Contents
Advertisement
8.2
Auto setup description
The auto setup function is a unique Sintrol Dust Monitor feature, which allows for a simple, user-friendly
setup. During the auto setup procedure, which is done in normal process conditions, the dust monitor will
automatically adapt to the process conditions and set the measuring range and alarms accordingly.
The auto setup function analyzes the present measurement signal, determines the average value and
establishes a normal operations baseline.
Ensure that Auto setup is performed during normal operation and usual dust levels.
Avoid unusual events that could provide false measurements during auto setup period.
By using the DustTool software the auto setup procedure can also be altered by the user,
this section only describes the actions of the factory default auto setup.
After auto setup, the default alarm signals are set as follows:
•
Alert: when dust concentration exceeds 5 times the dust level during auto setup.
Alarm: when dust concentration exceeds 20 times the dust level during auto setup.
•
In addition, the following key parameters will also be affected:
•
4 mA equals no dust present.
•
20 mA is set to 20 times the dust level during auto setup.
•
Dust signal averaging time is set to default (50 seconds).
•
Signal delay times are set to default 30 seconds.
In other words:
•
Baseline will be set to 5% of range, or [4,8mA]
•
ALERT Relay 1 will switch at 25% of range or at [8mA]
•
ALARM Relay 2 will switch at 100% of range or [20mA]
•
4mA equals no dust present.
In case the measuring point is before the filtration system the auto setup baseline could be several g/m3 and
after the filtration system the auto setup baseline could be only a few of mg/m3. In both cases no manual
range setup is required.
To start Auto setup on the instrument
Either press key K4 for 1 sec. The display shows the remaining time in seconds and the green LED will
be blinking. When the Auto setup procedure has finished the display goes back to normal operation
mode. If you want to cancel Auto setup press K4 again for one second.
The auto setup procedure takes 10 times the signal averaging time to complete. For example, with the default
parameters, this will be 500 seconds (approx. 8 min).
Figure 16: Settings after Auto setup
Page 27 | 49
Advertisement
Table of Contents
