3. Click Communications > 3rd party protocols > Modbus Slave.
The name of the meter’s current Modbus map is displayed, along with the quantity of custom
registers and their start and end addresses.
4. Select the map name and click Edit.
The Modbus Slave Mode Setup screen is displayed.
5. Select your meter’s method of Modbus client mapping. If you select Default or Disabled,
click Finish to configure your meter and return to the Setup Assistant, otherwise select
Next to access the Modbus Slave Map Setup screen.
Option Description
Default
Sets your meter to use the default Modbus map. Any custom
Modbus client data is removed.
NOTE: You can download your meter’s Modbus map
information from www.usa.siemens.com/pds.
Modified
Add Modbus information in addition to the meter’s default
Modbus map.
Custom
Removes the meter’s default Modbus map so that all registers
are available, and you can create a completely custom
Modbus map.
NOTE: Use this option if you want to make your meter’s
Modbus map identical to a device that it is replacing, for
example in a retrofit application.
Disabled
Removes your meter’s Modbus data map. Modbus functions
are unaffected, but no meter Modbus data is available.
6. In the Modbus Slave Map Setup screen, you can modify parameters by clicking Edit, or
add parameters by clicking Add.
The Modbus Register screen is displayed.
7. Configure the Modbus register information and click OK to return to the Modbus Slave Map
Setup screen.
a. Source: Click Select and chose a source from the Parameter Selection screen. Select
Show all available registers to see a complete list of the parameters available on your
meter. Click OK.
b. Address: Enter the Modbus address that will hold the Source data.
NOTE: If you hover your mouse over the Address field, a tooltip indicates the Modbus
function code and start address to send for retrieving the data.
c. Format: Select the Modbus data format from the list.
d. Scaling: Select the scaling value from the list or select Custom and click Scales to
configure custom scaling.
9810 series - User manual Communications
7EN05-0390-08 108
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