Endress+Hauser Deltabar S PMD75 - Confirming Messages

Troubleshooting Cerabar S/Deltabar S/Deltapilot S FOUNDATION Fieldbus
220 Endress+Hauser
12.2.1 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/FSAFE_TYPE
1
parameter.
The following options are available by means of the FSAFE_TYPE/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/FSAFE_VALUE
1
parameter is used for
further processing with the status UNCERTAIN.
•Wrong Value
The current value is used for further processing with the status BAD.
Factory setting:
• FSAFE_TYPE/FSAFE_TYPE: FsafeValue
• FSAFE_VALUE/FSAFE_VALUE: 0
!
Note!
The failsafe mode is also activated if the "Out of service" option was selected by means of the Block
Mode/MODE_BLK parameter, "Target" element.
12.3 Confirming messages
Depending on the settings for the Alarm Displ. Time/ALARM_DISPLAY_TIME and Ack. Alarm
Mode/ACKNOWLEDGE_ALARM_MODE parameters, the following measures should be taken to
clear a message:
1 These parameters are not available by means of the FieldCare operating program.
Settings
1)
1) FF configuration program: The parameters are in the Diagnostic Transducer Blocks.
FieldCare: Menu path for Alarm Displ. Time/ALARM_DISPLAY_TIME and Ack. Alarm Mode/ACKNOW-
LEDGE_ALARM_MODE: OPERATING MENU → DIAGNOSTICS → MESSAGES
Measures
– Alarm Displ. Time/
ALARM_DISPLAY_TIME = 0 s
– Ack. Alarm Mode/ACKNOW-
LEDGE_ALARM_MODE = Off
– Rectify the cause of the message (see also Section 12.1).
– Alarm Displ. Time/
ALARM_DISPLAY_TIME > 0 s
– Ack. Alarm Mode/ACKNOW-
LEDGE_ALARM_MODE = Off
– Rectify the cause of the message (see also Section 12.1).
– Wait for the alarm display time to elapse.
– Alarm Displ. Time/
ALARM_DISPLAY_TIME = 0 s
– Ack. Alarm Mode/ACKNOW-
LEDGE_ALARM_MODE = On
– Rectify the cause of the message (see also Section 12.1).
– Confirm message using ACKNOWLEDGE_ALARM/ACK. ALARM
parameter.
– Alarm Displ. Time/
ALARM_DISPLAY_TIME > 0 s
– Ack. Alarm Mode/ACKNOW-
LEDGE_ALARM_MODE = On
– Rectify the cause of the message (see also Section 12.1).
– Confirm message using ACKNOWLEDGE_ALARM/ACK. ALARM
parameter.
– Wait for the alarm display time to elapse. If a message appears and the alarm
display time elapses before the message has been acknowledged, the message
is cleared once it has been acknowledged.