ABB i-bus
®
KNX
Parameters
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Product Manual | EN | MG/S 11.100.1.1 | 9AKK108467A5941 Rev. B 47
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7.2.2.9
Write Function
This parameter is used to define which Modbus function codes are selected.
The function code tells the server which memory type (i.e. register, coils, etc.) to access and write.
Option
5: Write Single Coil
6: Write Single Register
15: Write Multiple Coils
16: Write Multiple Registers
-
Prerequisites for visibility
•
This parameter is in the
Config Device x
parameter window.
7.2.2.10
Data Length
This parameter is used to define the size of the Modbus register in bits.
If the function code (Read or Write) refers to coils or discrete inputs, the data length is automatically set to
1. The parameter can no longer be adjusted. The only situation where all options are available is for
function codes referring to registers.
Option
1
16
32
64
Prerequisites for visibility
•
This parameter is in the
Config Device x
parameter window.
