Supplement to User Manual - ENGLISH Modbus Server
SU_ModbusV2-8, 2015-03-02 49
Table of Contents
1 Introduction..............................................................................................................................................................50
2 Settings in the Transmitter.......................................................................................................................................51
2.1 Input of the HotCode................................................................................................................................................51
2.2 Selection of the Mode..............................................................................................................................................51
2.3 Input of the Transmission Parameters.....................................................................................................................51
3 Transmission of Data...............................................................................................................................................52
3.1 Structure of the Telegram........................................................................................................................................52
3.2 Function Code .........................................................................................................................................................52
3.3 CRC Checksum.......................................................................................................................................................52
4 Modbus Register Addresses of Selected Physical Quantities.................................................................................53
5 Modbus Register Address Ranges of the Measurement Data ................................................................................55
6 Request of a Physical Quantity or a Diagnostic Value ............................................................................................57
7 Request of Multiple Measured Values or Diagnostic Values...................................................................................61
8 Request of Additional Quantities .............................................................................................................................66
8.1 Channel-Independent Diagnostic Values ................................................................................................................66
8.2 Additional Physical Quantities and HPI Quantities ..................................................................................................66
9 Request of Instrument Information ..........................................................................................................................70
10 Special Registers.....................................................................................................................................................71
11 Special Functions ....................................................................................................................................................74
11.1 CRT Function...........................................................................................................................................................74
11.2 Resetting the Totalizers...........................................................................................................................................74
11.3 Request of the Totalizer for the last 24 h (Request in Intervals)..............................................................................75
Annex
A IDs of the Units of Measurement (for Scaled Measured Values).............................................................................78
B CRT Editor...............................................................................................................................................................81
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