ABB SensyMaster FMT430 - Overview

SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B 129
Overview
The counter readings and the states of the current outputs and the alarm output are represented by symbols; please see the table
below.
Symbol
Description
Counter stop
—
No change, current value
1)
When the error occurs, the corresponding measurement variable is calculated with the temperature 20 °C.
2)
When the error occurs, the corresponding measurement
variable is set to the value with density = 1.
HOLD
The last ‘good’ measured value is retained.
Alarm (general)
High alarm
Low alarm
Process values
Counter
Current output
Priority
Error text
Qm [%, unit]
Qv [%, unit]
Density [g/cm
3
]
Temperature [°C]
Concentration [%]
Net mass flow
Standard density g/cm
3
]
Standard volume [20
°C]
All counters
98
No Frontend Board detected.
Wrong connection. Defect
Frontend.
0 0 1 – 0 0 1 0 –
96
ADC Failure on Frontend Board. 0 0 0 0 0 0 0 0 –
94
Safety Alarm Curr.Out 31/32
–
–
–
–
–
–
–
–
–
93
Sensor failure or disconnected. 0
1) 1)
20
1) 1) 1) 1)
–
92
FEB voltages outside range.
0
0
1
20
0
0
1
0
–
91
MB voltages outside range. – – – – – – – – – Current output 31 /32 /U
CO
:
only
90
Frontend temp. out of range.
1)
0
1
20
0
0
1
0
–
88
FEB communication error. 0 0 1 20 0 0 1 0 –
86
Curr.Out 31/32 com error.
–
0
1
–
0
0
1
0
–
84
NV data defect. Data storage
irreparable.
0 0 – – – 0 – 0 –
0
82
Incompatible Frontend Board.
0
–
–
–
–
–
–
–
–
80
Electronics failFrontend Board. 0 – – – – – – – 0
–
78
Flowrate to zero
0
0
1
–
0
0
1
0
–