Electromagnetic Flowmeter M921
MEATEST
2
Operation manual
Content
1
Basic information .............................................................................................................................. 5
1.1
Basic features .................................................................................................................................. 5
1.2
Warranty ......................................................................................................................................... 5
2
Mechanical installation ..................................................................................................................... 6
2.1
Sensor location ................................................................................................................................ 6
2.2
Sensor grounding ............................................................................................................................. 9
3
Preparing for start up...................................................................................................................... 10
3.1
Safety precautions ......................................................................................................................... 10
3.1.1
Safety symbols used on the equipment ................................................................................ 10
3.2
Inspecting contents of the package ............................................................................................... 10
3.3
Electronic unit description ............................................................................................................. 11
3.3.1
Front panel ............................................................................................................................ 11
3.3.2
Under the lid of the flowmeter case ..................................................................................... 12
3.4
Electrical connection ...................................................................................................................... 13
3.4.1
Power supply ......................................................................................................................... 13
3.4.2
Fuse replacement .................................................................................................................. 15
3.4.3
Electric connection between converter and sensor – Remote version ................................. 16
4
Flowmeter configuration ................................................................................................................ 17
4.1
Main menu .................................................................................................................................... 17
4.1.1
Overview ............................................................................................................................... 17
4.1.2
Datalogger ............................................................................................................................. 17
4.1.3
Status ..................................................................................................................................... 17
4.1.4
Flow ....................................................................................................................................... 17
4.1.5
Volume .................................................................................................................................. 17
4.2
Setup menu .................................................................................................................................... 18
4.2.1
General .................................................................................................................................. 18
4.2.2
Measurements ...................................................................................................................... 19
4.2.3
Input/output interface .......................................................................................................... 20
4.2.4
Calibration ............................................................................................................................. 21
4.3
Nominal values (standard factory setting) .................................................................................... 22
4.3.1
General .................................................................................................................................. 22
4.3.2
Measurements ...................................................................................................................... 22
4.3.3
Inputs / outputs ..................................................................................................................... 23
5
Inputs and outputs configuration.................................................................................................... 24
5.1
General purpose inputs and outputs ............................................................................................. 24
5.1.1
Current output....................................................................................................................... 24
5.1.2
Frequency output .................................................................................................................. 25
5.1.3
Pulse output .......................................................................................................................... 26
5.1.4
Status (relay) output .............................................................................................................. 28
5.1.5
PLC digital input ..................................................................................................................... 29
5.1.6
Limits ..................................................................................................................................... 29
5.1.7
Dosing .................................................................................................................................... 30
5.1.8
RS485 interface ..................................................................................................................... 31
5.1.9
USB/RSR232........................................................................................................................... 31
