MR MSENSE DGA 9

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MSENSE

DGA 9 7045899/02 EN – 11.2020 Page 41

• Close the vent screw as soon as there are no more air bubbles escaping from the sample hose.

• Now open the gate valve/ball valve completely.

Secure the end of the sample hose using a hose clip

Main Page

Table of Contents3
Introduction6
Contact6
Revision Rights6
Completeness6
Legal Provisions7
Safety Guidelines7
Safety8
Intended Use8
Basic Safety Instructions8
Qualification of the Staff10
Personal Protective Equipment11
IT Security11
General Information13
Mountinginstructions14
Installation Position14
Safety Notes on Installation15
Heating15
Preparing Installation18
Mechanical Connection18
Flange Connection18
Threaded Joint18
Supply Voltage Connection19
Tools Required19
Sealing of the Connecting Thread19
Thread Sealing Tape19
Thread Adhesive20
Flat Gasket20
Installation21
Mechanical Installation21
Direct Mounting21
Indirect Mounting38
Electrical Connection44
Initial Start-Up47
Turn off the Device49
Automatic Activation Following the Interruption of the Supply Voltage50
Hardware Components51
Internal Front View with Controls51
View of Rear52
Connections for the Measuring and Controller Card54
Configuration of Relay Output 1 with Coding Bridge 1 (J1)58
Extraction Menu65
Hardware Components65
Device Firmware68
General Information68
Main Screen68
Process Flow69
Zero Measurement70
Vacuum Generation71
Leak Testing72
Filling Level L173
Degasing74
Filling Level L275
Gas Measurement76
Ventilation77
Draining78
Ventilation78
Waiting (Only When Switching from Measurement Cell # 2 to Measurement Cell # 1)79
Operation by Means of Device Keyboard80
Cursor Keys80
Home" Key80
Alphanumeric Keypad80
Contrast Settings81
Main Menu82
Extraction Status83
Acknowledge Fault86
Deactivate Device ("Unmount")86
Activating the Device ("Mount")86
Gas-In-Oil Measurements87
Graph View88
Duval Triangle90
Alarm / Alarm History90
Alarm Acknowledegement92
Alarm Settings of the Selected Alarm92
Device Settings93
Transformer-Related Settings94
DGA Adjustment94
Settings - Analogue Outputs95
Alarm Limits and Alarm Sources97
Create New Alarm98
Alarm Settings99
MSENSE ® DGA Settings102
DGA Measurement Cycle Interval103
Test Digital Outputs104
Device Options105
Date, Time, Clock Settings107
Communication / Interfaces109
Modbus Function, Register and Address Mapping123
Modbus Tcp126
MODBUS Serial Communication Adapter Example126
MODBUS RS232 ASCII with Modpoll (RS232 for Service Purposes Only)126
MODBUS / RTU on RS485 Bus (with Modpoll)127
RS 485 Wiring129
Rs485129
Termination, Working Point Setting, Earthing and Protection of the RS485 Bus129
Troubleshooting130
Extraction Chamber Fault130
Brief Instructions on Site130
Brief Instructions by Way of Remote Diagnosis130
Gas Extraction Principle131
Extraction Cycle131
Device Activation131
Fault131
Fault - Signalling132
Faults - Analysis and Acknowledgement Options132
Reading out Service Data132
Brief Instruction on Reading out Service Data133
On-Site Fault Analysis133
Fault - Extraction Status Menu134
Fault - Acknowledgement by Hand135
Fault - Acknowledgement Via Command File135
MSET DGA Service Tool135
Distribution / Installation135
System Requirements135
Sequence Diagnostics - Data Read136
Technical Specifications140
Dimensions MSENSE DGA 9142
Dimensions Gate Valve / Ball Valve Connection143
Pipe Thread G 1½" DIN ISO 228-1143
Pipe Thread 1½" NPT ANSI B 1.20.1143

MR MSENSE DGA 9 - Page 41

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