Siemens SITRANS P500, Руководство по эксплуатации, Страница: 78 / 238

Operate
6.2 Parameter description
SITRANS P500 with HART
78
Operating Instructions, 12/2014, A5E02344528-09
"1.1.9.1 Volume Unit"
Factory setting: m
3
Adjustment range: gal, l, Impgal, m
3
, bbl, Bushel, yd
3
, ft
3
, in
3
, bbl(fl.), Nm
3
, Nl, Stdft
3
, hl
Purpose: Selection of the unit for the volume measurement type
Description: This parameter allows you to select the unit for the volume measurement
type. The parameters associated with this unit are automatically converted
into the new unit.
"1.1.9.2 Volume LRV"
Factory setting: 0 m
3
Adjustment range: Freely selectable numeric value
Purpose: Setting the start of scale value
Description: This parameter allows the start of scale value for the volume scaling to be
set. The value that is set for "1.1.3.1.2 Setting LRV" (Page 69) or "1.1.3.2.2
Set LRV with Pressure" (Page 70) is automatically assigned to this value.
The start of scale value is expressed in the units you selected under "1.1.9.1
Volume Unit" (Page 78).
"1.1.9.3 Volume URV"
Factory setting: 100 m
3
Adjustment range: Freely selectable numeric value
Purpose: Setting the full scale value
Description: This parameter allows the full scale value for the volume scaling to be set.
The value that is set for "1.1.3.1.3 Setting URV" (Page 70) or "1.1.3.2.3 Set
URV with Pressure" (Page 71) is automatically assigned to this value.
You can enter the end of scale value in the unit selected under "1.1.9.1
Volume Unit" (Page 78).
"1.1.9.4 Level Curve"
Use this submenu to activate a level characteristic which you defined under the following
parameters.
Table 6- 2 "1.1.9.4.1 Activate characteristic"
Factory setting: Off
Adjustment range:
• Off
•
On
Purpose: Activate / deactivate the level characteristic