Commissioning
Ex p Control unit
SILAS
pz
Page 70 of 88
A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx
Rev. 0
Ex p settings – Automatic purge
Setting the “Purge program / Purge mode”
DANGER
DEATH OR SERIOUS BODILY INJURY FROM USE OF AN IMPROPER FLUSH
MODE.
Explosion risk.
Only activate purge programs suitable for the application.
Purge programs Ex_p_3, Ex_p_6, Ex_M_1 and Ex_M_2 are special
purge modes which must not be used for standard applications.
Within the "Purge parameters / Purge mode" web interface, the purge mode as
well as the sequence control can be adjusted.
The precondition for all purge programs, so that the further
phases are initiated, is that po > p1 is.
Procedure
Connect PC with Ex p control unit, activate programming switch
Logging into the WEB interface with the user level
Call up the Purge parameter / Purge mode menu
Select purge program by clicking the left button
Purge program Ex_p_1 by clicking the button
Button changes from to
Confirm pop-up window with changed value
Activate the purge mode to " Automatic" by clicking on the button.
by clicking the button
Button changes from to
Confirm pop-up window with changed value
Enter the desired purge factor
The purge factor indicates how often the protected volume is to be
purged. E.g. 5-fold purge means that a protected volume of 100 liters is
purged with at least 500 liters of purge gas.
Enter the value "5" and confirm with Enter
Confirm pop-up window with changed value
