Electromagnetic flowmeter M910
Operation manual
3
5.2.2.4
Volume resolution (2.4 VOL. RESOL.) _________________________________________ 28
5.2.2.5
Flowrate direction (2.5 FLOW DIREC.) ________________________________________ 28
5.2.2.6
Low-flow cutoff (2.6 L.F.CUTOFF) ____________________________________________ 29
5.2.2.7
Moving average time constant (2.7 TIMECONST)_________________________________ 29
5.2.2.8
Time setting (2.8 TIME SET.)_________________________________________________ 29
5.2.2.9
Date setting (2.9 DATE SET.)_________________________________________________ 29
5.2.2.10
Datalogger setting (2.A DATALOGGER)________________________________________ 29
5.2.3
General settings (3 GENERAL) __________________________________________________ 30
5.2.3.1
Diameter (3.1 DIAMETER) __________________________________________________ 30
5.2.3.2
Nominal flowrate range Q
N
(3.2 RANGE) _______________________________________ 30
5.2.3.3
Serial number (3.3 SERIAL NR.)______________________________________________ 30
5.2.3.4
Power supply (3.4 POWER SUP.) _____________________________________________ 30
5.2.3.5
Self-test (3.5 SELFTEST) ___________________________________________________ 30
5.2.3.6
Current Loop Test (3.6 C.LOOP TEST)_________________________________________ 30
5.2.3.7
Basic Menu Password (3.7 PASSWORD MN.) ___________________________________ 31
5.2.4
Calibration menu (4 CALIBRATION) ____________________________________________ 31
5.2.4.1
Number of Calibration Points (4.1 NR.OF CALP.) ________________________________ 31
5.2.4.2
Calibration point 1 (4.2 CAL.POINT 1) _________________________________________ 31
5.2.4.3
Calibration point 2 (4.3 CAL.POINT 2) _________________________________________ 32
5.2.4.4
Calibration point 3 (4.4 CAL.POINT 3) _________________________________________ 32
5.2.4.5
Calibration point 4 (4.5 CAL.POINT 4) _________________________________________ 32
5.2.4.6
Calibration Password (4.6 PASSWORD CA.) ____________________________________ 32
6
System control _________________________________________________________ 34
6.1
RS485 bus properties ________________________________________________________ 34
6.2
RS232 bus properties ________________________________________________________ 34
6.3
Command syntax ___________________________________________________________ 34
6.4
Command list ______________________________________________________________ 35
7
Error messages ________________________________________________________ 47
8
Maintenance __________________________________________________________ 48
8.1
Advice for correct operation __________________________________________________ 48
8.2
Periodical maintenance ______________________________________________________ 48
8.3
What to do in case of failure __________________________________________________ 48
9
Application information _________________________________________________ 49
9.1
Weight and dimensions ______________________________________________________ 49
9.1.1
Electronic unit – compact version ________________________________________________ 49
9.1.2
Pipe with sensor _______________________________________________________________ 49
9.2
Used materials _____________________________________________________________ 50
9.3
Flowrate versus diameter_____________________________________________________ 51
10
Type plate ___________________________________________________________ 52
11
Technical data _______________________________________________________ 54
12
Ordering information - options __________________________________________ 55
12.1
Example of order _________________________________________________________ 55
13
Terminology _________________________________________________________ 56
Appendix A Measuring principle ____________________________________________ 57
Appendix B M910 Menu structure ___________________________________________ 58