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SensyMaster FMT230, FMT250
THERMAL MASS FLOWMETER | OI/FMT230/250-EN REV. C
… 8 Commissioning and operation
… Interface description
Available process variables
The process variables available in the software are listed in the table.
Note
• Some of the process variables can be assigned to the digital outputs DO1 (terminals 41 / 42) and DO2 (terminals 51 / 52),
configured as frequency [f] or pulse output [pulse].
(Code) indicates to which value the parameters ‘Output Value Freq.’ and ‘Output Value Pulse’ must be set. See also
Parameter
range - Output
on page 81.
• The ‘Modbus address’ column indicates the Modbus register address, data type and the register length for the corresponding
process variable.
Process variable
Short form Description
DO1 / 2
DO1 / 2
Modbus address
[f]
(Code)
[pulse]
(Code)
TFLOAT [2]
TDOUBLE [4]
Mass Flow [unit]
Qm
Mass flow in the selected mass flow unit
–
X (1)
201
–
Mass Flow [%]
Qm
Mass flow in percent
X (1)
–
209
–
Volume Flow @ [unit]
Qv@
Standard volume flow in the selected volume unit
–
X (2)
205
–
Volume Flow @ [%]
Qv@
Standard volume flow in percent
X (2)
–
213
–
Temperature [unit]
Tm
Temperature in the selected standard volume unit
–
–
203
–
Temperature [%]
Tm
Temperature in percent
X (3)
–
211
–
Density @
p@
Standard density in the selected density unit
–
–
207
–
Totalizer Qm
∑
m
Mass flow counter reading in the selected unit
–
–
215
409
Totalizer Qv @
∑
v@
Standard volume flow counter reading in the selected unit
–
–
217
413
Current Batch Total*
CBT
Current fill quantity
–
–
219
405
Current Batch Counts*
CBC
Number of fill operations
–
–
3315
TUSIGN32 [2]
–
* Process variable is only available if the DensiMass function is activated.
X = process variable available, — = process variable not available.