IN00B02WEBFI00060134_MODBUS_MANUAL_IT
Indicates the set of values for each register that the variable can
assume and the operations that can be performed on it. For
example, you can only perform simple arithmetic operations on
integers on an integer log (INT).
The device logs table also mainly shows the type of encoding
needed to interpret the value.
Once you have obtained all of the above information about the Modbus device, it is recommended
that you test write and read with Modbus software from your PC. This step allows you to get in-depth
information about the device function by performing a test bench before proceeding with integration
with HORIZONE.
All you need to do is install the Modbus Master software on your PC and connect it with a serial
cable or network cable to the device, depending on whether the protocol is Modbus RTU or TCP, in
order to access the device and its registers. This will allow you to test all the key aspects that will
allow integration: communication parameters, addresses, functions, registers and data types. Once
you have succeeded in interacting with the Modbus device, resolving any problems encountered,
integration on HORIZONE will be easier and faster.
Obviously, this procedure must be followed for each device that you want to insert into a HORIZONE
line.
You can find lots of free Modbus Master programs on the internet; we recommend the following:
http://www.modbustools.com/modbus_poll.html (30 days free trial)
https://oceancontrols.com.au/OCS-011.html
http://www.qmodbus.sourceforge.net/
After obtaining all the information required to integrate one or more Modbus devices with the
HORIZONE and performing the communication, write and read tests, you can proceed to create the
HORIZONE registers.
