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Connection
4.3 Schematic circuit diagram
External sensor supply
If you use an external sensor supply, you must take voltage dips and voltage supply deviation
into account when determining the safety function.
To ensure proper functioning of the sensor, we recommend one of the following options:
• Use transmitters with appropriate buffering or diagnostics.
• Use a redundant external sensor supply
• Monitoring of the external sensor supply for undervoltage/overvoltage including shutdown
(FAIW-017)
20
WARNING
or
or
of the sensor supply in the event of a fault.
F-AI 8xI 2-/4-wire HART HA
Equipment Manual, 09/2021, A5E50557845-AA
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