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13.4
Output
Output
HART
Output signal
4 … 20 mA
● Low saturation limit (continuously
adjustable)
3.55 mA, set to 3.8 mA in the factory
● High saturation limit (continuously
adjustable)
22.8 mA, factory-set to 20.5 mA or optionally 22.0 mA
● Ripple (without HART communication)
I
SS
≤ 0.5 % of the max. output current
Adjustable damping
0 … 100 s, continuously adjustable over remote operation
0 … 100 s, in steps of 0.1 s adjustable over display
● Current transmitter
3.55 … 22.8 mA
● Failure signal
3.55 … 22.8 mA
Load
Resistor R [Ω]
● Without HART communication
8
+
9
P$
5
U
H
Power supply in V
● With HART communication
HART communicator (Handheld)
R =230 … 1100 Ω
SIMATIC PDM
R =230 … 600 Ω
Characteristic curve
● Linearly increasing or linearly decreasing
● Linear increase or decrease or according to the square root (only for
differential pressure and flow)
Bus physics
–
Polarity-independent
–
13.5
Operating conditions
Operating conditions for gauge pressure and absolute pressure (from the gauge pressure series)
Ambient conditions
● Ambient temperature
Note
Observe the temperature class in hazardous areas.
Technical data
13.5 Operating conditions
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA
219
Содержание SITRANS P320
Страница 10: ...Table of contents SITRANS P320 P420 mA HART 10 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 18: ...Introduction 2 7 Notes on warranty SITRANS P320 P420 mA HART 18 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 174: ...Functional Safety 10 7 Repair and service SITRANS P320 P420 mA HART 174 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 260: ...Index SITRANS P320 P420 mA HART 260 Operating Instructions 06 2018 A5E44852162 AA ...