MR MSENSE DGA 9 - Page 5

MSENSE
®
DGA 9 7045899/02 EN – 11.2020 Page 5
6.10.3.2 Alarm settings ............................................................................................ 99
6.10.4 MSENSE
®
DGA Settings ................................................................................ 102
6.10.4.1 DGA measurement cycle interval ............................................................ 103
6.10.4.2 Test digital outputs .................................................................................. 104
6.10.4.3 Device options ......................................................................................... 105
6.10.4.4 Date, time, clock settings ......................................................................... 107
6.10.4.5 Communication / Interfaces ..................................................................... 109
7. Modbus Function, register and address mapping .............................................................. 123
MODBUS TCP .................................................................................................................. 126
MODBUS Serial Communication Adapter Example .......................................................... 126
7.9.1 MODBUS RS232 ASCII with Modpoll (RS232 for service purposes only) .................. 126
7.9.2 MODBUS / RTU on RS485 bus (with Modpoll) .......................................................... 127
8. RS 485 Wiring ........................................................................................................................ 129
RS485 .............................................................................................................................. 129
Termination, working point setting, earthing and protection of the RS485 bus .................. 129
9. Troubleshooting .................................................................................................................... 130
Extraction chamber fault ................................................................................................... 130
9.1.1 Brief instructions on site ............................................................................................. 130
9.1.2 Brief instructions by way of remote diagnosis ............................................................ 130
9.1.3 Gas extraction principle ............................................................................................. 131
9.1.3.1 Extraction cycle .................................................................................................. 131
9.1.3.2 Device activation ................................................................................................ 131
9.1.4 Fault .......................................................................................................................... 131
9.1.5 Fault – Signalling ....................................................................................................... 132
9.1.6 Faults – Analysis and acknowledgement options ....................................................... 132
9.1.6.1 Reading out service data .................................................................................... 132
9.1.6.2 Brief instruction on reading out service data ....................................................... 133
9.1.6.3 On-site fault analysis .......................................................................................... 133
9.1.6.4 Fault - Extraction status menu ............................................................................ 134
9.1.6.5 Fault – Acknowledgement by hand ..................................................................... 135
9.1.6.6 Fault – Acknowledgement via command file ....................................................... 135
9.1.7 MSET DGA Service Tool ........................................................................................... 135
9.1.7.1 Distribution / Installation ...................................................................................... 135
9.1.7.2 System requirements .......................................................................................... 135
9.1.7.3 Sequence diagnostics – Data read ..................................................................... 136
10. Technical specifications ....................................................................................................... 140
11. Dimensions MSENSE
®
DGA 9 ............................................................................................... 142
Dimensions gate valve / ball valve connection .................................................................. 143
11.1.1 Pipe thread G 1½” DIN ISO 228-1 ............................................................................. 143
11.1.2 Pipe thread 1½” NPT ANSI B 1.20.1 .......................................................................... 143