
Contents
1 Introduction............................................................................................... 9
1.1 This manual.............................................................................................................................................. 9
1.2 Intended audience...................................................................................................................................9
1.3 Product documentation.......................................................................................................................10
1.3.1 Product documentation set................................................................................................ 10
1.3.2 Document revision history.................................................................................................. 10
1.3.3 Related documentation........................................................................................................10
1.4 Symbols and conventions.....................................................................................................................11
1.4.1 Symbols....................................................................................................................................11
1.4.2 Document conventions......................................................................................................... 11
1.4.3 Functions, codes and symbols............................................................................................12
2 SMU615 overview.....................................................................................15
2.1 Overview..................................................................................................................................................15
2.1.1 Product version history........................................................................................................ 15
2.1.2 PCM600 and merging unit's connectivity package version.......................................... 15
2.2 Operation functionality........................................................................................................................16
2.2.1 Optional functions................................................................................................................ 16
2.3 Physical hardware.................................................................................................................................. 16
2.4 Local HMI................................................................................................................................................. 17
2.4.1 LEDs......................................................................................................................................... 18
2.4.2 Keypad..................................................................................................................................... 18
2.5 Web HMI...................................................................................................................................................19
2.6 Authorization ........................................................................................................................................ 20
2.6.1 Audit trail................................................................................................................................ 20
2.7 Communication .....................................................................................................................................22
2.7.1 Ethernet redundancy............................................................................................................ 23
2.7.2 Process bus.............................................................................................................................25
2.7.3 Secure communication........................................................................................................ 29
3 Merging unit variants............................................................................. 30
3.1 Application configurations................................................................................................................. 30
3.1.1 Supported functions in SMU615........................................................................................ 30
3.1.2 Addition of control functions for primary devices and the use of binary inputs
and outputs.......................................................................................................................31
3.2 Connection diagrams........................................................................................................................... 32
3.3 Application configuration A................................................................................................................ 39
3.3.1 Applications........................................................................................................................... 39
Contents
SMU615
Application Manual
7