Bartec Ex p Control Unit APEX, Руководство пользователя

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Ex p Control Unit
SIEMENS Set
Commissioning
Rev. 0 01-37A2-7D0004_SIEMENS_Manual_Exp-Control-Unit_20220216_0_en.docx Page 61 of 80
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“Additional purge“ function
Additional purge can be activated on the Ex p control unit by means of the
current inputs. In this case, the Ex p equipment remains in the operating phase
and can be additionally purged again.
To use this function, the additional purge function must be activated in the
"Extended / Sensors" parameter menu for the corresponding current input.
4 mA = purge with active operating phase
7 mA = normal operating phase
Procedure:

Connect computer with Ex p control unit

Activate programming switch

Log in to the WEB interface with the user level
Select the “Extended / Sensors“ menu
In the table displayed, you can activate the “additional purge”
function current sensor 1 or current sensor 2..

Confirm pop-up window with altered value

Deactivate programming switch

Activate additional purge (can be actively used during the operating
phase)
Normal mode = 7 mA on current sensor input
Additional purge = 4 mA on current input