Bender ISOMETER isoRW425 Manual page 5

Inhaltsverzeichnis
7. Data access using the Modbus RTU protocol ........................................... 43
7.1 Reading out the Modbus register from the ISOMETER® ................. 43
7.1.1 Command of the master to the ISOMETER® ........................................ 43
7.1.2 Answer of the ISOMETER® to the master .............................................. 44
7.2 Write Modbus register (parameter setting) ......................................... 44
7.2.1 Command of the master to the ISOMETER® ........................................ 44
7.2.2 ISOMETER® answer to the master ............................................................ 45
7.3 Exception code ............................................................................................... 45
7.3.1 Structure of the exception code .............................................................. 45
8. Modbus register assignment of the ISOMETER® ...................................... 46
8.1 Device-specific data type of the ISOMETER® ....................................... 53
8.1.1 Device name ................................................................................................... 53
8.1.2 Measuring values .......................................................................................... 53
8.1.2.1 Float = Floating point value of the channels .............................. 54
8.1.2.2 AT&T = Alarm type and test type (internal/external) .............. 55
8.1.2.3 R&U = Range and unit ......................................................................... 56
8.1.3 Alarm assignment of the relays ................................................................ 57
8.2 Channel descriptions ................................................................................... 58
9. IsoData data string ........................................................................................ 60
10. Technical data .............................................................................................. 62
10.1 Tabular presentation .................................................................................... 62
10.2 Standards, approvals and certifications ................................................ 67
10.3 Ordering information .................................................................................. 67
INDEX ..................................................................................................................... 70
isoRW425_D00052_04_M_XXEN/03.2019
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