janitza UMG 509, Operation Manual And Technical Data

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UMG 509
Example: Reading the L1-N voltage
The L1-N voltage is saved in the measured value list
at address 19000. The L1-N voltage is available in the
FLOAT format.
Address = 01 is approved as the UMG 509 device
address.
The Query Message appears as follows:
Name Hex Note
Device address 01 UMG 509, address = 1
Function 03 „Read Holding Reg.“
Start Addr. Hi 4A 19000dez = 4A38hex
Start Addr. Lo 38
Ind. Value Hi 00 2dez = 0002hex
Ind. Value Lo 02
Error Check -
The "Response" of the UMG 509 can appear as follows:
Name Hex Note
Device address 01 UMG 509, address = 1
Function 03
Byte meter
06
Data 00 00hex = 00dez
Data E6 E6hex = 230dez
Error Check (CRC) -
The L1-N voltage read by address 19000 is 230V.