9424200996 49-9
BE1-11m Communication
Modbus
®
Setup
Settings for Modbus are made by using the Settings Explorer to open the Communications, Modbus tree
branch. Settings can be made for Modbus mapping. A list of Modbus registers can be found in Basler
Electric publication 9424200890, Modbus Protocol Instruction Manual.
Miscellaneous Modbus
®
Settings
The Miscellaneous Modbus Settings screen is shown in Figure 49-13. Settings are provided for Modbus
over RS485 and Ethernet. When Auto Save is enabled, group saves are performed to reduce write times.
Figure 49-13. Miscellaneous Modbus Settings
Modbus
®
Mapping
Source registers can be mapped to any of 125 available poll block registers ranging from 9875 to 9999.
Use the Settings Explorer in BESTCOMSPlus to open the Communications, Modbus, Modbus Mapping
tree branch as shown in Figure 49-14.
To map a Source Register to Poll Block Registers:
1. Select a source register in the left-hand column. The category, register information, and description of
the selected source register are shown in the lower left-hand corner of the screen.
2. Click the Add >> button to add the source register to the poll block register list.
3. Use the Move Up or Move Down buttons above the poll block register list to arrange the poll block
registers.
4. Click on the orange Save button to save the settings to BESTCOMSPlus memory. This button
changes to white indicating that the settings have been saved to BESTCOMSPlus memory.
5. Upload settings to the device by selecting Communication from the top pull-down menu and then
Upload Settings to Device.
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