FastFlo™ 620S Instruction Manual
Chapter 1 Introduction
IM-62S
1-5
Totalizer
With the optional LCD display, actual mass flow appears on line 1 and
the totalized flow on line 2 both in the user-specified engineering units.
The totalizer counts only the selected range and when ranges are
switched, the value of the non-selected range is stored in memory. You
may reset the totalizer using the 3 function buttons mounted on the PCA
or by using a hand-held magnet.
NOTE: The totalizer will display a real-time value, but the EPROM re-
quires 6 minutes to store it. Always wait 6 minutes to remove power or
this most recent flow accumulation may be lost.
Zero and Span Outputs
Validate and adjust the settings to ensure output circuits are correct.
Time Response Delay
Select from a low response for faster tracking to a high response for a
smoother output.
Enclosure Options
Flow meter electronics are available mounted directly to the flow body, or
remotely mounted up to 100 feet (60 meters) away. The electronics
housing may be used indoors or outdoors.
Display options include a 2 x 12 character LCD display of mass flow rate
including totalized mass, or a single-digit LED located on the device print-
ed circuit board. Local operation and reconfiguration is accomplished us-
ing the three push buttons operated via finger touch. FastFlo electronics
include nonvolatile memory that stores all configuration information. The
memory allows the flow meter to function immediately upon power up, or
after an interruption in power.
Smart Interface
™
Software
Sierra’s Smart Interface Windows
™
-based software is available for con-
necting your PC directly to the FastFlo™. An RS-232 serial cable along
with CD-ROM containing the program and system files are available
from the factory. See the Smart Interface User Guide included with the
software for operating instructions.
