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Commissioning
6.2 Operating via the handheld programmer
SITRANS LR250 with FOUNDATION FIELDBUS
48
Operating Instructions, 09/2021, A5E32221411-AH
6.2.2.1
The LCD display
Measurement mode display
Normal operation
①
toggle indicator
a)
for analog input function blocks (AIFB 1/AIFB 2, displayed as FB1/FB2)
②
identifies which block is source of displayed value
③
Measured value (level, space, distance, or volume)
④
Units
⑤
Bar graph indicates level
⑥
Secondary region indicates on request
b)
electronics temperature, echo confidence, loop cur-
rent, or distance
⑦
Text area displays status messages
⑧
Device status indicator, see Device status icons (Page 171)
a)
Press
UP
or
DOWN
arrow to switch.
b)
In response to a key press request. For details, see Handheld programmer (Part No. 7ML1930-1BK)
(Page 49) for key functions in Measurement mode.
Fault present
①
service required icon appears
②
Device status indicator, see Device status icons (Page 171)