The following table shows the parameter of the Modbus TCP data point window:
Parameter Description
Data Type Data type supported by backend (e.g. INT).
Function
Type
Function type - depends on the type of the data (see manual of the Modbus device).
1: Read Coils,
2: Read Inputs,
3: Read Holding Registers,
4: Read Input Registers
. Currently function codes 1..4 are supported.
Slave
Number
Address/Slave number of the Modbus device.
Start
Address
Start address (offset) of the data.
Quantity Quantity of data to be read.
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