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5 Set up with the display and adjustment module
FIBERTRAC 32 • Four-wire 4 … 20 mA/HART
62071-EN-211203
Cascading means that two or several instruments are connected
which can together cover a longer measuring range.
The instrument acts as Primary and all other instruments operate as
Secondaries.
The pulse rates of all instruments are summed in the Primary instru-
ment and converted into a common signal.
First of all, define the function of the Secondary instruments before
you define the Primary instrument. The Primary instrument can thus
immediately recognize the connected Secondaries.
For this, the Secondary instruments must be defined as "Summation
Secondary". Select under the menu item "
Setup - Application
" the
function "Summation Secondary".
The address setting (MGC) on the Secondary instruments can be
freely selected. Only the address "99" is reserved for the Primary
instrument.
The Primary instrument must have the function "Level". For this pur-
pose, select under the menu item "
Setup - Application
" the function
"Level".
Set the address setting (MGC) on the Primary instrument to "99".
You have to enter the addresses of the Secondary instruments in the
list of the Primary instruments. This function is not possible in the sup-
ply and adjustment module. To do this you need PACTware with the
respective DTM.
5.2.1 Setup
Enter here, the respective application.
This menu item enables adaptation of the sensor to the requested ap-
plication. You can choose between the following applications: "
Level
",
"
Point level
" or "
Summation Secondary
".
In this menu item you can activate the function of the current output.
When the output is activated, the instrument remains in its function as
a Secondary, but the 4 … 20 mA output of the FIBERTRAC 32 can be
also used als single instrument.
When the output is active, the instrument has the complete function
-
ality of a level measuring instrument. In this case, continue reading
under "
Parameter adjustment/Level measurement
".
Application
Outputs
