User's Manual

Parameter reference
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 01/2014, A5E32221411-AB
171
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:
● 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.)
.
Activation of Reminders (4.5.4.)
Allows you to enable a maintenance reminder.
Options
*
Timer OFF
ON NO LIMITS
ON - REMinder 1 (Maintenance Required) checked
ON - REMinders 1 and 2 checked
ON—REMinder 2 (Maintenance Demanded) checked
1. First set the limit values in
Reminder 1 before Calibration (Required) (4.5.5.)
/
Reminder 2
before Calibration (Demanded) (4.5.6.)
.
2. Select the desired
Activation of Reminders
option.
Reminder 1 before Calibration (Required) (4.5.5.)
If
Time Until Next Calibration (4.5.3.)
is equal to or less than this value, the device generates a
Maintenance Required
reminder.
Values
Range: 0 to 20 years
Default: 0.164 years
1. Modify limit values as required.
2. Set
Activation of Reminders (4.5.4.)
to the desired option.