BONFIGLIOLI Active cube Operation Manual page 37

Example:
Parameter 372 (hex. 0x174), dataset 2 (hex. 0x2) is saved as hex. 0x2174.
Data set
Bits 15 14 13 12
For the above example:
Hex. 0 0 1 0
Bin. 2
Register value
This field is used for saving the 32-bit parameter value.
Parameter values with decimal places are transferred without decimal point. Depending
on the number of decimal places, the values are multiplied by 10, 100 or 1000.
Example: Frequency value
A frequency value of 100.25 Hz is to be transferred. The actually transferred numerical value is 10025,
i.e. 0x2729in the hexadecimal system.
Exception condition code
The following exception condition codes are possible:
2 INVALID DATA ADDRESS
3 INVALID DATA VALUE
4 SLAVE DEVICE ERROR
For a description of the exception condition codes, refer to Chapter 7.2.9 "Exception condition codes".
For an example of a Modbus RTU telegram, refer to Chapter 9.2.4.
10/13
Start address
Parameter number
11 10 9 8 7
0 0 0 1 0
1
• Parameter unknown
• Number of bytes in data field too small or too high
• Error when reading parameters
ACU
Modbus/TCP
6 5 4 3 2
1 1 1 0 1
7 4
1 0
0 0
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