1 Introduction............................................................................................................................................. 5
1.1 About this documentation .........................................................................................................5
1.2 Product-specific information .....................................................................................................5
1.3 Safety instructions.....................................................................................................................5
1.4 Reference documents...............................................................................................................7
1.5 Advanced training courses .......................................................................................................8
1.6 3WL10 / 3VA27 circuit breakers ...............................................................................................8
1.6.1 System overview.......................................................................................................................8
1.6.2 Software applications..............................................................................................................10
1.7 Individually configured circuit breakers...................................................................................13
2 Description............................................................................................................................................ 15
2.1 Communication modules ........................................................................................................15
2.1.1 COM043 (Modbus TCP) .........................................................................................................15
2.1.2 COM042 (Modbus RTU) .........................................................................................................16
2.1.3 Actuation module for remote operation (COM ACT) ..............................................................18
2.1.4 Breaker Connect module ........................................................................................................19
2.1.5 IOM040 digital I/O module ......................................................................................................20
2.1.6 IOM300 external digital I/O module ........................................................................................21
2.1.7 Position signaling switch communication (PSS - COM) .........................................................22
2.1.8 Ready-to-close signaling switch for communication (COM RTC)...........................................22
2.2 Metering function MF Basic and MF Advanced......................................................................23
2.3 DSP800 display ......................................................................................................................26
3 Commissioning ..................................................................................................................................... 29
3.1 Overview .................................................................................................................................29
3.2 Commissioning communication modules ...............................................................................30
4 Configuration ........................................................................................................................................ 33
4.1 Overview .................................................................................................................................33
4.2 Configuring the communication function.................................................................................34
5 Data structure ....................................................................................................................................... 35
5.1 Modbus data formats and byte ordering .................................................................................35
5.2 Floating-point number according to IEEE 754........................................................................36
5.3 Register addresses.................................................................................................................37
A List of abbreviations .............................................................................................................................. 51
Index..................................................................................................................................................... 55