User`s manual

Software Configuration Examples
30
02/2005
8 Configuration for: Holding Registers / Query.
Click on the left-hand side on the relevant function and you get the windows on
the right.
Result: All values are displayed in hexadecimal (when changing the values you
can enter in decimal and it will be automatically changed into hexadecimal).
There are 5 sub menus of the query:
1. Slave address
Default is the Modbus address of the MC32 (decimal 32 = 20 hex)
2. Function
Command 03 (holding registers)
3. Starting address
Refer to table Addresses and Commands, p. 33 column 1
4. Number of points
Refer to table Addresses and Commands, p. 33 column 3 (decimal 14 = 0E
hex)
5. Checksum
Do not alter
Step Action
1
2
3
4
5
Response
Query