6.3.22 Set wired M-Bus DIF/VIF mode ................................................................................................ 73
6.3.22.1 Master to slave ............................................................................................................... 73
6.3.22.2 Slave to master ............................................................................................................... 73
6.3.23 Set LCD contrast ...................................................................................................................... 73
6.3.23.1 Master to slave ............................................................................................................... 73
6.3.23.2 Slave to master ............................................................................................................... 74
6.3.24 Set language ............................................................................................................................ 74
6.3.24.1 Master to slave ............................................................................................................... 74
6.3.24.2 Slave to master ............................................................................................................... 74
6.3.25 Set sleep mode time ................................................................................................................ 75
6.3.25.1 Master to slave ............................................................................................................... 75
6.3.25.2 Slave to master ............................................................................................................... 75
6.3.26 Set LCD menu password .......................................................................................................... 75
6.3.26.1 Master to slave ............................................................................................................... 75
6.3.26.2 Slave to master ............................................................................................................... 76
6.3.27 Delete meter ............................................................................................................................ 76
6.3.27.1 Master to slave ............................................................................................................... 76
6.3.27.2 Slave to master ............................................................................................................... 76
6.3.28 Add/update meter ................................................................................................................... 77
6.3.28.1 Master to slave ............................................................................................................... 77
6.3.28.2 Slave to master ............................................................................................................... 77
6.3.29 Set meter lock flag ................................................................................................................... 78
6.3.30 Set configuration tag ............................................................................................................... 78
6.3.30.1 Master to slave ............................................................................................................... 78
6.3.30.2 Slave to master ............................................................................................................... 79
7 TROUBLESHOOTING ............................................................................................................ 80
7.1 WHEN RUNNING INSTALLATION, NO METERS ARE FOUND .................................................................... 80
7.2 CMEX50 DOES NOT RESPOND TO M-BUS MASTER COMMANDS .......................................................... 80
7.3 CHANGE FROM T1/C1A/C1B MODE TO S1 MODE OR VICE VERSA DOES NOT WORK: ............................... 80
8 TECHNICAL SPECIFICATIONS ................................................................................................ 81
8.1 CHARACTERISTICS ........................................................................................................................ 81
8.2 FACTORY DEFAULTS ..................................................................................................................... 82
9 TYPE APPROVALS ................................................................................................................ 84
10 SAFETY AND ENVIRONMENT ............................................................................................... 85
10.1 SAFETY PRECAUTIONS ................................................................................................................... 85
11 DOCUMENT HISTORY .......................................................................................................... 86
11.1 DOCUMENT SOFTWARE AND HARDWARE APPLIANCE .......................................................................... 86
12 REFERENCES ....................................................................................................................... 87
12.1 REFERENCES ............................................................................................................................... 87
12.2 TERMS AND ABBREVIATIONS ......................................................................................................... 87
12.2.1 Number representation ........................................................................................................... 87
13 APPENDIX A ........................................................................................................................ 88