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EN_User_documentation_Instructions_for_controlling_the_Logamatic_5000_controller_series_via_Modbus_TCP_I
P_20210203.docx | 10.02.2021
5. General information about the conversion of the
Modbus address scheme
If you want to use the Modbus Modicon address scheme instead of the decimal ad-
dress scheme, you may use the following formula to convert the addresses:
For register type "Holding register" take the number 40000. For register type "In-put
register" take the number 30000.
Example:
For example, you want to address the data point holding register with decimal ad-
dress 400 "Setpoint system supply temperature in °C" in the Modicon schema:
1. You determine the value of the register type:
2. You calculate the address for the Modicon scheme:
So you can use the address 40401 if you want to use the Modicon scheme to de-
scribe the data point "Setpoint system supply temperature in °C.
Note: The decision whether to use the decimal or modicon scheme depends on the
software and configuration of the BMS used. Please contact the manufacturer of
your BMS for more information on the correct scheme.
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