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Technical Data
iTHERM TrustSens TM371, TM372
48
Hauser
Load
Maximum possible HART® communication resistance
R
b max.
= (U
b max.
- 12 V) / 0.023 A (current
output)
U
b
30 V
780
530
250
12 V
0
24.2 V
17.75 V
Supply voltage (V DC)
Load (Ω)
A0032387-EN
Linearization/transmission
behavior
Temperature-linear
Filter
1
st
order digital filter: 0 to 120 s, factory setting: 0 s (PV)
Protocol-specific data
HART
Manufacturer ID
17 (0x11)
Device type ID
0x11CF
HART revision
7
Device description files (DTM, DD)
Information and files at:
•
www.endress.com/downloads
•
www.fieldcommgroup.org
HART load
Min. 250 Ω
HART device variables
Measured value for PV (primary value)
Temperature
Measured values for SV, TV, QV (secondary, tertiary and quaternary
variable)
• SV: Device temperature
• TV: Calibration counter
• QV: Calibration deviation
Supported functions
• Additional transmitter status
• NE107 diagnostics
Startup behavior / wireless HART data
Minimum start-up voltage
12 V
DC
Start-up current
3.58 mA
Start-up time
< 7 s, until the first valid measured value signal is present at the current
output
Minimum operating voltage
12 V
DC
Multidrop current
4 mA
Lead time
0 s
13.3 Wiring
According to the 3-A Standard electrical connecting cables must be smooth,
corrosion-resistant and easy to clean.
Содержание iTHERM TrustSens TM371
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