5 Operation Proline Prowirl 72 FOUNDATION Fieldbus
32 Endress + Hauser
5.2.3 Error message display
Type of error
Errors which occur during commissioning or measuring operation are displayed immediately. If two
or more system or process errors occur, only the error with the highest priority is the one shown on
the display.
The measuring system distinguishes between two types of error:
• System error: this group includes all device errors, for example communication errors, hardware
errors, etc.
• Process error: this group includes all application errors, for example "empty pipe", etc.
A0000991
Fig. 23: Error messages on the display (example)
1 Type of error: P = Process error, S = System error
2 Error message type: $ = fault message, ! = notice message
3 Error designation: e.g. DSC SENS LIMIT = Device being operated near application limits
4 Error number: e.g. #395
5 Duration of most recent error occurrence (in hours, minutes and seconds)
Types of error message
The measuring device always assigns system and process errors which occur to two types of error
messages (fault or notice messages), resulting in different weightings.Page 49 ff.
Serious system errors, e.g. electronic module defects, are always identified and displayed as "Fault
messages" by the measuring device.
Notice message (!)
• The error in question does not have any effect on the current measuring operation.
• Displayed as Exclamation mark (!), type of error (S: system error, P: process error)
• FOUNDATION Fieldbus Notice messages are relayed to downstream function blocks or
higher-level process control systems with the status "UNCERTAIN" of the output value OUT
(AI Block).
Fault message ( $)
• The error in question interrupts or stops the measuring operation running.
• Displayed as Lightning flash ( $), type of error (S: system error, P: process error)
• FOUNDATION Fieldbus Fault messages are relayed to downstream function blocks or higher-
level process control systems with the status "BAD" of the output value OUT (AI Block).
5. 3 FOUNDATION Fieldbus technology
For configuration information, please refer to Operating Instructions "FOUNDATION Fieldbus
Overview" (BA013S). Available at: www.endress.com Download.
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