Siemens Sitrans LR400 Instruction Manual page 70

6.4.5 Total Calibration Interval
Set time between scheduled calibrations.
Values
6.4.6 Units
Allows you to set desired units using SIMATIC PDM.
Options
6.4.7 Maintenance Status
Read only: Displays the status of the Maintenance Alerts.
Options
(read only)
In SIMATIC PDM, open the menu View - Device Status (PROFIBUS PA) or View –
Status (HART), click on the Maintenance tab and check the Calibration Interval
window.
6.4.8 Acknowledge Status
Read only: displays the status of the Maintenance Alerts that have been
acknowledged.
Options
(read only)
In SIMATIC PDM, open the menu View - Device Status (PROFIBUS PA) or View –
Status (HART), click on the Maintenance tab and check the Calibration Interval
window.
Page 66 SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL
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Range: 0 to 20 years
Default: 1.0 year
SECONDS
HOURS
DAYS
YEARS
OK
MAINT REQ
MAINT DEM
ACK NOTHING None
ACK MAINT REQ Maintenance Required Acknowledged
ACK MAINT DEM Maintenance Demanded Acknowledged
None
Maintenance Required
Maintenance Demanded
7ML19985FH06