ABB FSM4000 - Recommended Settings for Diagnosis Limit Values; Electrode Voltage; Coil Current; Coil Voltage

FSM4000 ELECTROMAGNETIC FLOWMETER | OI/FSM4000-EN REV. E 101
Recommended settings for diagnosis limit values
The values indicated are only intended as a rough guide and may need to be adapted in line with on-site conditions.
Parameter
Minimum value
Maximum value
Electrode voltage 1
These values depend on the flowrate, so no recommendations can be made here.
Electrode voltage 2
Electrode balance
1)
−150 %
150 %
Coil current
Factory or commissioning fingerprint x 0.95
Factory or commissioning fingerprint x 1.05
Coil voltage
This value depends on the measuring medium temperature T
medium
T
medium
T
medium
−40 °C (-40 °F)
Factory fingerprint x 0.81
−40 °C (-40 °F)
Factory fingerprint x 0.89
−20 °C (-4 °F)
Factory fingerprint x 0.86
−20 °C (-4 °F)
Factory fingerprint x 0.95
0 °C (32 °F)
Factory fingerprint x 0.9
0 °C (32 °F)
Factory fingerprint x 1
20 °C (68 °F)
Factory fingerprint x 0.95
20 °C (68 °F)
Factory fingerprint x 1.05
60 °C (140 °F)
Factory fingerprint x 1.05
60 °C (140 °F)
Factory fingerprint x 1.16
90 °C (194 °F)
Factory fingerprint x 1.14
90 °C (194 °F)
Factory fingerprint x 1.26
130 °C (266 °F)
Factory fingerprint x 1.24
130 °C (266 °F)
Factory fingerprint x 1.37
180 °C (356 °F) Factory fingerprint x 1.33 180 °C (356 °F) Factory fingerprint x 1.47
Coil resistance
This value depends on the measuring medium temperature T
medium
T
medium
T
medium
−40 °C (-40 °F) Factory fingerprint * 0.71 −40 °C (-40 °F) Factory fingerprint * 0.79
−20 °C (-4 °F)
Factory fingerprint * 0.81
−20 °C (-4 °F)
Factory fingerprint * 0.89
0 °C (32 °F) Factory fingerprint * 0.9 0 °C (32 °F) Factory fingerprint * 1
20 °C (68 °F)
Factory fingerprint * 0.95
20 °C (68 °F)
Factory fingerprint * 1.05
60 °C (140 °F) Factory fingerprint * 1.19 60 °C (140 °F) Factory fingerprint * 1.31
90 °C (194 °F)
Factory fingerprint * 1.28
90 °C (194 °F)
Factory fingerprint * 1.42
130 °C (266 °F) Factory fingerprint * 1.43 130 °C (266 °F) Factory fingerprint * 1.58
180 °C (356 °F) Factory fingerprint * 1.62 180 °C (356 °F) Factory fingerprint * 1.79
Coil temperature
This value depends on the ambient / measuring medium temperature, so no recommendations can be made here.
1) This function is only guaranteed if an electrode zero point adjustment has been carried out (see page 94).