Emerson 3411 사용자 설명서
Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual
Section 4: Configuration
3-9000-759 Rev D
June 2014
Field Setup Wizard
79
Note:
When connected to a meter with the local display option, reverse flow
direction is indicated with a minus sign (negative) before the value(s) shown on
the local display.
direction is indicated with a minus sign (negative) before the value(s) shown on
the local display.
Display units:
The Meter volume units displayed are either U.S. Customary or Metric. To modify the Display
Units, configure the Meter units system in the Field Setup Wizard — General Page.
Units, configure the Meter units system in the Field Setup Wizard — General Page.
•
U.S. Customary volume unit selections are:
–
Cubic feet
–
Thousand cubic feet
•
Metric volume unit selections are:
–
Cubic meters
•
Display units preceded by a plus or minus sign indicate forward and reverse flow
direction, as shown in the table below.\
direction, as shown in the table below.\
•
The local display Flow rate time units are modifiable by selecting the drop-down arrow
and clicking the time unit in the list box.
and clicking the time unit in the list box.
•
Valid flow rate time units selections are:
–
second
–
hour
–
day
KFCT1 — Frequency 1 K-factor
•
CF – Cubic Feet
•
CM –Cubic Meters
•
MCF – Thousand Cubic Feet
•
MCM –Thousand Cubic Meters
FRQ2A — Frequency channel 2A
•
HZ – Hertz
FRQ2B — Frequency channel 2B
•
HZ – Hertz
KFCT2 — Frequency 2 K-factor
•
CF – Cubic Feet
•
CM –Cubic Meters
•
MCF – Thousand Cubic Feet
•
MCM –Thousand Cubic Meters
AO1 — Analog Output 1 current
•
MA –
Milliamperes
AO2 — Analog Output 2 current
•
MA –
Milliamperes
Table 4-1 Local display labels, descriptions and valid units
Local display labels, descriptions and valid units