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TECHNICAL DATA . ........................................................................................................................................ 4 7
. ........................................................................................................................................................... 47
. ................................................................................................................................................................ 48
Voltage input . ................................................................................................................................................ 48
Current input ................................................................................................................................................. 48
Frequency . ..................................................................................................................................................... 48
Supply . ........................................................................................................................................................... 48
........................................................................................................................................................ 48
Permitted conductor cross-sections .............................................................................................................. 48
. ............................................................................................................................................................ 49
Relay output . ................................................................................................................................................. 49
S0 (pulse) output ........................................................................................................................................... 49
Tariff input module ....................................................................................................................................... 49
Digital input module . ..................................................................................................................................... 49
Analogue output ........................................................................................................................................... 49
. ................................................................................................................................................. 50
............................................................................................................................................ 50
LCD ................................................................................................................................................................ 50
Response time ............................................................................................................................................... 50
LED's . ............................................................................................................................................................. 50
RTC backup supply ........................................................................................................................................ 50
. .................................................................................................................................................. 51
Safety ............................................................................................................................................................ 51
Test voltage . .................................................................................................................................................. 51
EMC ............................................................................................................................................................... 51
Protection . ..................................................................................................................................................... 51
Ambient conditions ....................................................................................................................................... 51
Enclosure ....................................................................................................................................................... 51
......................................................................................................................................................... 52
APPENDIX A: MODBUS PROTOCOL .............................................................................................................. 5 3
Modbus protocol ........................................................................................................................................... 53
Register table for the normalized actual measurements .............................................................................. 55
100% values calculations for normalized measurements ............................................................................. 57
Register table for the basic settings . ............................................................................................................. 57
Data types decoding ..................................................................................................................................... 58
APPENDIX B: DNP3 COMMUNICATION PROTOCOL . ...................................................................................... 5 9
DNP3 ............................................................................................................................................................. 59
Register table for the actual measurements . ................................................................................................ 60
APPENDIX C: PROFIBUS PROTOCOL . ............................................................................................................. 6 3
.............................................................................................................................................. 63
Structure of the input/output telegram ........................................................................................................ 63
Telegrams table for the actual measurements ............................................................................................. 65
IV
. ..................................................................................................................... 53
. ......................................................................................................................... 59
Measuring centres - MC320, MC330, MC350 & MC350H - User's Manual
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