ABB SensyMaster FMT430 - Electrical Data for Inputs and Outputs

SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B 57
Electrical data for inputs and outputs
Note
When using the device in potentially explosive atmospheres,
note the additional connection data in Use in potentially
explosive atmospheres on page 6!
Power supply L / N, 1+ / 2−
AC voltage
Terminals
L / N
Operating voltage
100 to 240 V AC, 50 / 60
Hz
Power consumption
< 20 VA
DC voltage
Terminals
1+ / 2−
Operating voltage
19 to 30 V
DC
Power consumption
< 20 W
Current output 32 / Uco, 31 / 32 (basic device)
Can be configured for outputting mass flow, volume flow,
density and temperature via on-site software.
A
Current output 31 / Uco, active
B
Current output 31 / 32, passive
Figure 42: (I = internal, E = external, R
B
= load)
Permissible source voltage U
q
for passive outputs in relation to load
resistance R
B
where I
max
= 22 mA.  = Permissible range
Figure 43: Source voltage for passive outputs
Current output
Active
Passive
Terminals
Uco / 32
31 / 32
Output signal
4 to 20
mA or
4 to 12 to 20
mA
switchable
4 to 20
mA
Load R
B
250 Ω ≤ R
B
≤ 300 Ω
250 Ω ≤ R
B
≤ 600 Ω
Source voltage U
q
*
–
13 V ≤ U
q
≤ 30
V
Measuring error
< 0.1 % of measured value
Resolution
0.4 µA per digit
* The source voltage U
q
is dependent of the load R
B
and must be placed in an
additional area.
For information on communication via the HART protocol, refer
to HART® Communication on page 69.