Response Of Outputs To Errors - Endress+Hauser Deltabar S FMD78 Operating Instructions Manual

Deltabar S FMD76/77/78, PMD70/75 with FOUNDATION Fieldbus
Output A (Alarm)
FOUNDATION Fieldbus The process variable in question is
transmitted with the status BAD.
Onsite display – The measured value and message are
displayed alternately
– Measured value display:
permanently displayed.
Message display
– A + 3-digit number such as A122 and
– Description
Remote operation (FF In the event of an alarm, the ALARM
configuration program/ STATUS/ALARM_STATUS
FieldCare) displays a 3-digit number such as 122 for
"Sensor connection error, incorrect data".
FF configuration program: Diagnostic Transducer Block. Menu path FieldCare: OPERATING MENU  MESSAGES
1)
!
Endress+Hauser
8.6

Response of outputs to errors

The device makes a distinction between the output behavior "Alarm", "Warning" and "Error".
 See the following table and  ä 81, Section 8.2 "Diagnostic information on local display".
Certain problems can be assigned the "GOOD" status via FF communication, see Section 8.4.1.
W (Warning)
Device continues measuring. The process
variable in question is transmitted with the
status UNCERTAIN.
– The measured value and message are
-symbol is – Measured value display:
Message display:
– W + 3-digit number such as W613 and
– Description
In the case of a warning, the ALARM
1)
parameter STATUS/ALARM_STATUS
displays a 3-digit number such as 613 for
"Simulation is active".
8.6.1 Analog Input Block
If the Analog Input Block receives an input or simulation value with the status BAD, the Analog
Input Block uses the failsafe mode defined in the FSAFE_TYPE
The following options are available by means of the FSAFE_TYPE parameter:
• Last Good Value
The last valid value is used for further processing with the status UNCERTAIN.
• Fail SafeValue
The value specified by means of the FSAFE_VALUE
the status UNCERTAIN.
• Wrong Value
The current value is used for further processing with the status BAD.
Factory setting:
• FSAFE_TYPE: FsafeValue
• FSAFE_VALUE: 0
Note!
The failsafe mode is also activated if the "Out of service" option was selected by means of the
MODE_BLK parameter, "Target" element.
1 These parameters are not available by means of the FieldCare operating program.
displayed alternately
-symbol
flashes.

parameter
1
parameter is used for further processing with
Diagnostics and troubleshooting
E (Error: Alarm/Warning)
For this error, you can enter whether the
device should react as in the event of an
alarm or as in the event of a warning. See
appropriate column for "Alarm" or
"Warning"
(see Operating Instructions BA00303P,
parameter description ( ä 2),
REACTION_ON_ ALARM_NR/SELECT
ALARM TYPE parameter).
The GOOD status can also be assigned to
the individual error via the parameters
FF912_STATUS_SELECT_1 to
FF912_STATUS_SELECT _131.
– The measured value and message are
displayed alternately
– Measured value display: see
corresponding "Alarm" or "Warning"
column
Message display:
– E + 3-digit number such as E731 and
– Description
In the case of an error, the ALARM

STATUS/ALARM_STATUS parameter
displays a 3-digit number such as 731 for
"Pmax ALARM WINDOW undershot".
1
parameter.
95