Liquiline CM44P Diagnostics and troubleshooting
Endress+Hauser 167
DIAG/System information
Function Options Info
Heartbeat operation Heartbeat functions are only
available with the appropriate
device version or optional access
code.
Device Read only
• Total operating time
• Counters since reset
• Availability
• Operating time
• Time in failure
• Number of failures
• MTBF
• MTTR
• Reset counters
Availability
Percentage of time no error with the
status signal F was pending
(Operating time - Time in
failure)*100% /Operating time
Time in failure
Total amount of time an error with
the status signal F was pending
MTBF
Mean Time Between Failures
(Operating time - Time in failure)/
Number of failures
MTTR
Mean Time To Repair
Time in failure/Number of
failures
1) Provided you give the manufacturer all the information about changes to the hardware.
12.13.2 Sensor information
‣
Select the channel you want from the list of channels.
Information in the following categories is displayed:
• Extreme values
Extreme conditions to which the sensor was previously exposed, e. g. min./max.
temperatures
4)
• Operating time
Operating time of the sensor under defined extreme conditions
• Calibration information
Calibration data of the last calibration
• Sensor specifications
Measuring range limits for main measured value and temperature
• General information
Information on sensor identification
The specific data that are displayed depends on what sensor is connected.
4) Not available for all sensor types.
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