GE Kelman DGA900 - Default Chapter; Table of Contents

MA-025 – DGA 900 Operator Guide – Rev 2.0 12-Apr-19 Page 2 of 92
Contents
Page
1 Introduction ............................................................................................... 7
1.1 Product Overview ................................................................................................................................ 7
1.2 Scope ........................................................................................................................................................ 9
1.3 Front Panel LEDs .................................................................................................................................. 9
2 Safety........................................................................................................ 10
2.1 Symbols ................................................................................................................................................. 10
2.2 Warnings .............................................................................................................................................. 10
2.3 Hazardous Substances ................................................................................................................... 11
3 Technical Specifications ......................................................................... 12
4 Compliance .............................................................................................. 14
5 Power........................................................................................................ 15
6 HMI ............................................................................................................ 16
6.1 Introduction......................................................................................................................................... 16
6.2 Connections ........................................................................................................................................ 17
6.3 Start-Up Procedure .......................................................................................................................... 18
6.4 Login ....................................................................................................................................................... 18
6.5 Dashboard............................................................................................................................................ 19
6.5.1 Quick Access ................................................................................................................................................................. 21
6.6 GAS / Diagnostics .............................................................................................................................. 23
6.6.1 Active Alarms ............................................................................................................................................................... 23
6.6.2 Measurements ............................................................................................................................................................. 23
6.6.3 Duval Triangle .............................................................................................................................................................. 24
6.6.4 Gas Ratio ........................................................................................................................................................................ 25
6.6.5 Scheduler ....................................................................................................................................................................... 26
6.7 Calculations ......................................................................................................................................... 26
6.7.1 Gas Ratios ...................................................................................................................................................................... 26
6.7.2 Relative Saturation .................................................................................................................................................... 27
6.7.3 Gas Rate of Change ................................................................................................................................................... 27
6.7.4 Analog Inputs RoC Configuration ....................................................................................................................... 28
6.8 Alarms ................................................................................................................................................... 29
6.8.1 Gases ................................................................................................................................................................................ 29
6.8.2 Gas Ratios ...................................................................................................................................................................... 30
6.8.3 Gas Rate of Change ................................................................................................................................................... 31
6.8.4 Relative Saturation .................................................................................................................................................... 32
6.8.5 Analog Inputs ............................................................................................................................................................... 32
6.8.6 Analog Inputs Rate of Change .............................................................................................................................. 33
6.8.7 Digital Inputs ................................................................................................................................................................ 33
6.8.8 Digital Inputs Transition Total .............................................................................................................................. 34
6.9 Peripherals ........................................................................................................................................... 35
6.9.1 Peripheral Scheduler ................................................................................................................................................ 35
6.9.2 Analog Inputs ............................................................................................................................................................... 35
6.9.3 Digital Inputs ................................................................................................................................................................ 36
6.9.4 Input Measurements ................................................................................................................................................ 36
6.10 Settings ................................................................................................................................................. 37
6.10.1 Communications ........................................................................................................................................................ 37
6.10.2 Date & Time .................................................................................................................................................................. 38