Bender ISOMETER isoHV525 Manual page 5

Inhaltsverzeichnis
7. Data access to the isoHV525-S4-4 using the
Modbus RTU protocol ......................................................................... 31
7.1 Reading the Modbus register from the ISOMETER® ........................... 31
7.1.1 Master device sends a command to the ISOMETER® .......................... 31
7.1.2 The ISOMETER®s answers the Master ....................................................... 31
7.2 Writing to the Modbus register (parameter setting) .......................... 32
7.2.1 Master device sends a command to the ISOMETER® .......................... 32
7.2.2 The ISOMETER®s answers the Master ....................................................... 32
7.3 Exception code ................................................................................................. 33
7.3.1 Structure of the exception code ................................................................ 33
8. ISOMETER® Modbus register assignment ........................................ 34
8.1 Device-specific data type of the ISOMETER® ......................................... 37
8.1.1 Device name ...................................................................................................... 37
8.1.2 Measured value ................................................................................................ 38
8.1.2.1 Float = Floating point value of the channels ....................................... 38
8.1.2.2 AT&T = Alarm type and test type (internal/external) ........................ 38
8.1.2.3 R&U = Range and unit .................................................................................. 39
8.1.3 Alarm assignment of the relays .................................................................. 40
8.2 Channel description ....................................................................................... 41
9. IsoData data string ............................................................................... 43
10. Technical data .................................................................................... 44
10.1 Tabular representation .................................................................................. 44
10.2 Standards, approvals and certifications .................................................. 48
10.3 Ordering information ..................................................................................... 48
isoHV525_D00297_04_M_XXEN/05.2018
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