Siemens Sitrans LR250, Руководство по эксплуатации, Страница: 135 / 306

Parameter reference
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
133
Unit (2.6.8.2.)
Note
Additional units are available in SIMATIC PDM.
Engineering unit to be displayed with the output value.
Values m, cm, mm, ft, in, cu m, L, HL, cu in, cu ft, cu yd, gal, imp gal,
bushels, Bbl, Bbl liquid, percent, PA, Follow out unit
* percent
Out Unit Text (2.6.8.3.)
If the desired unit is not listed in Unit (2.6.8.2.) you can define it in Out Unit Text (2.6.8.3.).
Decimal point (2.6.8.4.)
The number of digits to display after the decimal point. (The LCD is limited to displaying two
decimal places in Measurement mode. In SIMATIC PDM up to seven decimal places may be
used to display measured values.)
Options Range: 0, 1, 2, 3, 4, 5, 6, 7
Default: 2
Fail-safe Mode (2.6.9.)
Mode (2.6.9.1.)
Fail-safe Mode occurs if the status of the input value is bad, or if the device has been put into
Fail-safe mode using Simulation. Mode defines the material level to be reported when the LOE
(Loss of Echo) timer expires.
Options SUB VALUE Substitute value. Value (2.6.9.2.) used as
output value.
* LAST VALUE Last value. (Store last valid output value).
USE BAD
VALUE
Use bad value. (Calculated output value is
incorrect).