Poll Quick start guide
Poll uses a multiple windows user interface. That means you can open
several windows showing different data areas or data from different slave
ID’s at the same time. You can write any text in the Alias cells.
any dialog box you can press the F1 key for more help on that specific
picture shows two open windows one reading 10 holding registers from
address 0 and one reading 10 holding registers from address 100.
your slave device allows you to change a Holding register then you
double click the cell or just start typing a new value in the cell.
Then an edit dialog box is shown.
To change the read/write
definition of a window you can press F8 or select “read/write
definition” from the Setup menu.
you define which data to show in the window. This setup shows how to
read 10 Holding Registers from address 0. Address 40001 in some
protocol descriptions. Note that Modbus Poll uses Modbus addresses
which always counts from 0.
* Maximum value is device dependent
Device and MODBUS address ranges
||address - 1
||address - 10001
||address - 40001
||address - 30001
to make a connection
is no data to display if you have not made a connection. To do so press F3
or select connect from the connection menu. For more detailed help press
This connection uses a serial port for Modbus RTU communication.
different connection types are available however only 2 of them are
standard Modbus connections:
For serial connection you
may need an USB to RS485, or an RS232 to RS485 converter.
Log data to a text file
Log data direct to Excel
View communication traffic
Test center for test with custom test strings
Display in many formats such as Hex, binary, float etc.