Instructions

Intesis
TM
KNX – Modbus Master User Manual r1.0 eng
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6.2.4 Table
All available KNX objects and its corresponding Modbus register and other main parmaters are listed in this table.
Figure 6.3 Table tab
For the KNX configuration as an internal protocol, the following parameters need to be considered:
1. Object name
Descriptive name of the signal. It will be used to set the name of their communication objects.
2. DPT
Select the KNX Data Point Type (DPT) to be used for each signal or KNX communication object.
For the Modbus configuration as an external protocol, the following parameters need to be considered:
1. # Slave
It indicates the slave number where signal is.
2. Read Function
It indicates the Modbus function used to read, if allowed or required. Modbus functions 1, 2, 3 and 4
supported.
3. Write Function
It indicates the Modbus function used to write, if allowed or required Modbus functions 5, 6, 15 and 16
supported.
4. Data Length
It indicates the signal size expressed in bits.
5. Format
It indicates the register information format. Unsigned, Signed C1 (one’s complement), Signed C2 (two’s
complement), Float and Bit Fields.
6. Byte Order
It indicates the byte order.
7. Address
It indicates the register signal starting address.