8.6
Display, keys and auxiliary power
Display and buttons
Keys
Display
Auxiliary power U
H
Terminal voltage on pressure transmitter
Auxiliary power
Separate supply voltage
Bus voltage
•
Not
•
With intrinsically safe operation
Current consumption
•
Max. basic current
•
Starting current ≤ basic current
•
Max. current in event of fault
Fault disconnection electronics (FDE) available
Overvoltage protection up to 6 kV (internal)
Note
8.7
Certificates and approvals
Explosion protection in accordance with
ATEX
Certificate
•
Intrinsic safety "i"
SITRANS P320/P420
Compact Operating Instructions, 09/2021, A5E38874562-AD
4 buttons for operation directly on the device
•
With or without integrated display (optional)
•
Cover with glass pane (option)
HART
•
•
–
–
–
–
–
–
–
–
Devices with internal overvoltage protection up to 6 kV do not pass the high voltage
test with 700 V DC according to IEC 60079-11.
For further information, see the associated certificate for explosion protection.
HART
BVS 18 ATEX E049X
8.7 Certificates and approvals
DC 10.5 V ... 45 V
In the case of intrinsically
safe operation
10.5 V ... 30 V DC
PROFIBUS PA/FOUNDATION Fieldbus
Technical data
PROFIBUS PA/FOUNDATION
Fieldbus
-
Bus-powered
-
9 ... 32 V
9 ... 24 V
12.5 mA
Yes
15.5 mA
Yes
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