User Manual

Index
1.1 Introduction ...........................................................................................................................................3
1.2 M-BUS functions ...................................................................................................................................3
1.2.1 Single control character procedure SND_NKE ...................................................................3
1.2.2 Request/Respond Procedure (REQ/RSP) ..........................................................................4
1.2.3 Reset Function ....................................................................................................................5
1.2.4 Switching Baudrate Function...............................................................................................6
1.2.5 Changing Primary Address..................................................................................................6
1.2.6 Primary Data Request (SND_UD).......................................................................................6
1.2.7 Special Addresses...............................................................................................................7
2 TABLES.........................................................................................................................................7
2.1 Data format representation In Carlo Gavazzi instruments ....................................................................7
2.1.1 Geometric representation....................................................................................................8
2.2 Maximum and minimum electrical values .............................................................................................8
2.3 Instantaneous variables and meters .....................................................................................................9
Table 1 - EM24DIN ...............................................................................................................................................9
3 REVISIONS..................................................................................................................................10