Download FREE Smart Modbus Master

FREE Application Notes
code 9IS24300-1 - rel. 13.03.13
Double clicking the node, the Settings pane will appear to allow selection of the node settings
The pane has 2 tabs, General and Object7 (in the example illustrated, Object = Holding Reg.)
General Pane Settings
Besides the name, the settings available are:
Start Address: address of the first Modbus slave object.
The range is 1...65536. Bear in mind that some manufacturers use 0...65535.
In this case +1 must be added to the Start Address
Polling time: the time within which the message will be processed, expressed in ms.
If time = 0:
write: only if the value is changed
read: indicates the maximum speed
“Object” Pane Settings
This second tab varies according to the message (note 6) and defines the list of readable or
writeable objects.
Similarly, in the case of Modbus objects (EEPROM parameters, BIOS Status Variables, etc.)8 there
is the option of adding or removing up to
Modbus objects
7
8
8 registers
16-bit
16 Coil/Discrete Inputs
1-bit
depending on the Modbus message, the Object tab = Holding Reg, Inputs, Coil, Single Reg. etc
see Help On Line (key F1) or FREE Studio Quick Start
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