Operation
Ex p Control unit
APEX
mv
Page 52 of 80
01-37A2-7D0005_MV_Manual_Exp-Control-Unit_2021005_0_en.docx
Rev. 0
Temperature sensors
Up to three temperature sensors in the PT100 or 1000 version can be connected
to the Ex p control unit.
In the menu "T. sensors" up to three
PT100/1000 sensors can be
configured.
Various functions can be executed in
the control sequence for the recorded
temperature.
This function can be used e.g. for
monitoring frequency converters.
Parameters
Parameter
Function
Temperature – actual
Displays the measured temperature
Temperature switching value 1
The assigned function is executed on
exceeding the switching value
Temperature switching value 2
The assigned function is executed on
exceeding the switching value
Temperature switching value 3
The assigned function is executed on
exceeding the switching value
Switching hysteresis
The switching hysteresis between
activation and deactivation of the
assigned function
Functions
Switching value
Function
Open valve 1
Cooling using purging air
Open valve 2
Cooling using valve 2, e.g. vortex
Deactivating of Ex p (K1)
The enable is withdrawn on exceeding the
temperature
Warning in plain text
A plain text warning is issued in the
messages area on exceeding the
temperature
Plain text alarm message
A plain text alarm is issued in the
messages area on exceeding the
temperature