PROline Prosonic Flow 93 PROFIBUS-DP/-PA 5 Operation
Endress+Hauser 61
Disabling the programming mode
Programming mode is disabled if you do not press a key within 60 seconds following
automatic return to the HOME position.
You can also disable programming in the “ACCESS CODE” function by entering any
number (other than the customer's code).
5.2.3 Error messages
Type of error
Errors that occur during commissioning or measuring are displayed immediately. If two
or more system or process errors occur, the error with the highest priority is always 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, e.g. fluid not homogeneous,
etc.
Fig. 58: Error messages on the display (example)
1 Type of error: P = Process error, S = System error
2 Error message type:
$ = Fault message, ! = Notice message (definition: see Page 61)
3 Error designation: e.g. S.V. RANGE CH1 = Channel 1 sound velocity outside the measuring range
4 Error number: e.g. #492
5 Duration of most recent error occurrence (in hours, minutes and seconds)
Error message types
The measuring device always assigns system and process errors which occur to two
types of error messages (fault and notice messages) resulting in different weightings
Page 125 ff.
Serious system errors, e.g. module defects, are always identified and classed as “fault
messages” by the measuring device.
Notice message (!)
The error in question has no effect on measurement currently in progress.
Displayed as Exclamation mark (!), error type (S: system error, P: process error).
PROFIBUS Notice messages are relayed to downstream function blocks or higher-
level process control systems with the status “UNCERTAIN” of the corresponding
process variable.
Fault message ( $)
The error in question interrupts or stops measurement currently in progress.
Displayed as Lightning flash ( $), error type (S: system error, P: process error)
PROFIBUS Fault messages are relayed to downstream function blocks or higher-
level process control systems with the status “BAD” of the corresponding process
variable.
1
2 453
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+24.502
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