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7 Setting up sensor and Modbus interface with PACTware
VEGAPULS 69 • Modbus and Levelmaster protocol
47252-EN-210205
Select with the right mouse key "
Parameter
", then "
Online parameter
adjustment
" and start the DTM for the Modbus electronics.
In the menu bar of the DTM, go to the list arrow next to the symbol for
"
Screwdriver
". Select the menu item "
Change address in the instru
-
ment
" and set the requested address.
In the device catalogue, select the option "
Modbus Serial
" under "
Driver
". Double click on this driver and integrate it into the project tree.
Open the device manager on your PC and find out which COM inter
-
face the USB/RS 485 adapter is located on. Then go to the symbol "
Modbus COM.
" in the project tree. Select "
Parameter
" with the right
mouse key and start the DTM for the USB/RS 485 adapter. Enter the
COM interface no. from the device manager under "
Basic settings
".
Select with the right mouse key "
Additional functions
" and "
Instru-
ment search
". The DTM then searches for the connected Modbus
participants and integrates them into the project tree. Now, in the
project tree, go to the symbol for the Modbus gateway. Select with the
right mouse key "
Parameter
", then "
Online parameter setting
" and
start the DTM for the Modbus electronics.
In the menu bar of the DTM, go to the list arrow next to the symbol for
"
Screwdriver
". Select the menu item "
Change address in the instru
-
ment
" and set the requested address.
Then move again to the symbol "
Modbus COM.
" in the project tree.
Select with the right mouse key "
Additional functions
" and "
Change
DTM addresses
". Enter here the modified address of the Modbus
gateway.
The instrument address is set in register no. 200 of the Holding Reg-
ister (see chapter "
Modbus register
" in this operating instructions
manual).
The procedure depends on the respective Modbus-RTU and the
configuration tool.
7.4 Saving the parameterisation data
We recommend documenting or saving the parameterisation data via
PACTware. That way the data are available for multiple use or service
purposes.
Via PC through RS 485
cable
Via Modbus-RTU
