19
8024019/AE00/V1-0/2019-02| SICK
A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH
Subject to change without notice
COMMISSIONING / CONFIGURING
3
3.4.3
Standard configuration flowchart
The water back purge sequence can be configured in the SOPAS ET operating program
using the SOPAS ET menu: FWE200DH/Configuration/Probe purge.
Standard sequence set at the factory
●
Start control cycle.
●
Function check DHSP200.
●
Output of control values DHSP200 on analog output.
●
Water purging cycle starts automatically.
1
DHSP200 moves to protected position.
2
Blower output set to 100%.
3
Valve 2 for purging the measuring cell and feedback line opens (approx. 30 s).
4
Valve 2 closes.
5
Ball valve opens and directs purge air flow directly into the swirl chamber.
6
Valve 1 for purging the sample line opens (approx. 30 s).
7
Valve 1 closes.
8
Blower dries the system.
9
Ball valve closes (normal measuring operation).
10
Wait until Tgas2 (sample gas) has reached the default temperature.
11
End of water purging, system returns to measuring operation.
