Bartec Ex p Control Unit APEX, Руководство пользователя

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Commissioning
Ex p Control Unit
SIEMENS Set
Page 60 of 80 01-37A2-7D0004_SIEMENS_Manual_Exp-Control-Unit_20220216_0_en.docx Rev. 0
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“OS 1 / OS 2“ sensor input setting
In the standard version, the sensor inputs
OS1 and OS2 can be provided with an
"additional pressure monitoring" or with
an "additional purge function”
Use as “additional pressure monitoring“
The Ex p control APEX with additional pressure monitoring is based on the
standard version. The purge and operating phases are carried out in the same
way.
The deviation from the standard is during the operating phase, the control
additionally monitors, by means of two optionally connectable pressure sensors
during the operating phase, the operating media are at minimum pressure.
Procedure:

Connect computer with Ex p control unit

Activate programming switch

Log in to the WEB interface with the user level
Select “Extended / Sensors“ menu
In the table displayed, you can activate the “pressure sensor”
function current sensor 1 or current sensor 2. Additionally, the minimum
and maximum measuring range of the sensor must be entered.

Confirm pop-up window with altered value

Select “pressure parameters“ menu and enter the desired setpoints for
the optional pressure sensors “pa and pb“
E.g. specify pa – pressure sensor A with trigger value 2.00 mbar.
If the pressure at the measuring point falls below 2.00 mbar, the
associated Ex p equipment is deactivated.

Confirm pop-up window with altered value/s

Active pressure sensors as marked as active in the “purge
parameters/purge modes“ menu for the respective purge program.

Deactivate programming switch