Siemens Sitrans LR400 Instruction Manual page 66

6.2.8 Maintenance Status
Read only. Displays the status of the Maintenance Alerts.
Options
(read only)
To view via SIMATIC PDM open the menu View - Device Status (PROFIBUS PA) or
View – Status (HART), click on the Maintenance tab, and check the Sensor Lifetime
Status window.
6.2.9 Acknowledge Status
Read only. Displays the status of the Maintenance Alerts that have been
acknowledged.
Options
(read only)
To view via SIMATIC PDM open the menu View - Device Status (PROFIBUS PA) or
View – Status (HART), and click on the Maintenance tab and check the Sensor
Lifetime Status window.
6.2.A Acknowledge
Allows you to acknowledge either a Maintenance Required or a Maintenance
Demanded alert.
To acknowledge an alert via SIMATIC PDM:
a. Open the menu View - Device Status (PROFIBUS PA) or View – Status (HART),
and click on the Maintenance tab.
b. In the Sensor Lifetime window click on Acknowledge Warnings.
Options (read only)
6.3 Service Interval
Allows for scheduling of service inspections.
To access these parameters via SIMATIC PDM, open the menu Device – Maintenance
and click on the Service Interval tab.
Page 62 SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL
OK
MAINT REQ
MAINT DEM
ACK NOTHING None
ACK MAINT REQ Maintenance Required Acknowledged
ACK MAINT DEM Maintenance Demanded Acknowledged
DO NOTHING
ACKNOWLEDGE
None
Maintenance Required
Maintenance Demanded
7ML19985FH06