Siemens Sitrans LR250, Руководство по эксплуатации, Страница: 156 / 306

Parameter reference
SITRANS LR250 (PROFIBUS PA)
154
Operating Instructions, 08/2014, A5E32221386-AC
Calibration Interval (4.5.1.)
Note
The device always operates in years. Changing the units affects only the parameter view of
the Calibration Interval parameters in SIMATIC PDM.
User-configurable recommended time between product calibrations.
Values Units
a)
: hours, days, years
Range: 0 to 20 years
Default: 1.0 year
a)
Units are selectable only via SIMATIC PDM.
Time since Last Calibration (4.5.2.)
Time elapsed since last calibration. Can be reset to zero after performing a calibration.
To reset to zero:
● In SIMATIC PDM, open the menu Device – Maintenance, click on the Calibration Schedule
tab, and click on Calibration Performed to restart the timer and clear any fault messages.
● Via the handheld programmer, manually reset Time since Last Calibration (4.5.2.) to zero.
Time until Next Calibration (4.5.3.)
Read only. Calibration Interval (4.5.1.) less Time since Last Calibration (4.5.2.).
Reminder Activation (4.5.4.)
Note
To modify this parameter via SIMATIC PDM it must be accessed via the pull-down menu
Device – Maintenance.
Allows you to enable a maintenance reminder.
Options * Timer OFF
ON - no reminders checked
ON - Reminder 1 (Maintenance Required) checked
ON - Reminders 1 and 2 checked
ON—Reminder 2 (Maintenance Demanded) checked
1. First set the values in Reminder 1 (Required) (4.5.5.)/Reminder 2 (Demanded) (4.5.6.).
2. Select the desired Reminder Activation option.