ABB SensyMaster FMT430 - Default Chapter; Table of Contents

2 SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
Table of contents
1 Safety .......................................................................... 4
General information and instructions .................................. 4
Warnings .................................................................................... 4
Intended use ............................................................................. 4
Improper use ............................................................................. 5
Notes on data safety ............................................................... 5
Warranty provisions ................................................................. 5
Manufacturer’s address .......................................................... 5
2 Use in potentially explosive atmospheres ............. 6
Device overview ........................................................................ 6
ATEX / IECEx ........................................................................ 6
cFMus .................................................................................... 7
Ex marking ................................................................................. 8
ATEX / IECEx ........................................................................ 8
cFMus .................................................................................... 9
Temperature data .................................................................. 10
Temperature resistance for the connecting cable ...... 10
Environmental and process conditions for model
FMT4xx… ............................................................................ 10
Electrical data ......................................................................... 13
Overview ............................................................................. 13
Zone 0, 1, 21 and Division 1 – Model: FMT4xx-A1,
FMT4xx-F1 ........................................................................... 14
Zone 2, 22 and Division 2 – Model: FMT4xx-A2, FMT4xx-
F2 .......................................................................................... 15
Special connection conditions ........................................ 16
Installation instructions ........................................................ 17
ATEX / IECEx ...................................................................... 17
cFMus .................................................................................. 17
Use in areas exposed to combustible dust .................. 17
Opening and closing the housing .................................. 17
Cable entries in accordance with ATEX / IECEx ........... 18
Cable entries in accordance with cFMus ....................... 18
Electrical connections ...................................................... 19
Process sealing .................................................................. 19
Operating instructions .......................................................... 20
Protection against electrostatic discharges ................ 20
Devices with dual-compartment housing with type of
protection Ex ‘d’ flameproof (enclosure) ...................... 20
Repair................................................................................... 20
Changing the type of protection .................................... 21
3 Design and function ................................................ 22
Overview .................................................................................. 22
Sensor .................................................................................. 22
Process connections ......................................................... 23
Transmitter ............................................................................. 24
Device description ................................................................. 25
Measuring principle ............................................................... 25
4 Product identification ............................................ 26
Name plate .............................................................................. 26
Plates and symbols ................................................................ 26
5 Transport and storage ............................................ 27
Inspection ............................................................................... 27
Transport ................................................................................ 27
Storing the device .................................................................. 27
Ambient conditions .......................................................... 27
Returning devices .................................................................. 27
6 Installation ............................................................... 28
Safety instructions ................................................................ 28
Installation conditions .......................................................... 28
Installation location and assembly ................................ 28
Inlet and outlet sections .................................................. 29
Installation at high ambient temperatures .................. 30
Sensor insulation .............................................................. 30
Ambient conditions ............................................................... 30
Ambient temperature ...................................................... 30
Process conditions ................................................................ 30
Measured medium temperature .................................... 30
Material loads for process connections ........................ 31
Assembly of the pipe component ....................................... 32
Wafer type design (FMT091) and partial measuring
section (FMT092) ................................................................... 32
Assembly of the welding adapter with flange or threaded
connector ................................................................................ 34
Welding adapter with flange connector ....................... 34
Welding adapter with threaded connection in
accordance with DIN 11851 .............................................. 36
Mounting ............................................................................ 37
Assembly of the welding adapter with compression ring
fitting ....................................................................................... 38
Mounting ............................................................................ 39
Assembly of the welding adapter with hot tap fitting ... 42
Installing the sensor .............................................................. 43
Wafer type design and welding adapter ...................... 43
Installation / Disassembly in connection with the hot
tap fitting ........................................................................... 44
Installing the transmitter in the remote mount design . 46
Opening and closing the housing ....................................... 47
Rotating the transmitter housing and LCD display ... 48
Installing the plug-in cards .................................................. 50