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35
RANGE A dual in line (DIP) switch located on the FICA61
board (see Figure 3-3 and paragraph 3.2.2) which is
used to program the module to accept an input
frequency range.
SPAN A multiple turn adjustment which is used to set the
voltage output signal to the desired span
corresponding to the equivalent flow range (i.e., 4 to
20mA corresponding to 0-100 GPM).
ZERO A multiple turn adjustment which is used to set
output signal with no flow to the desired “zero”
value (i.e., 4 mA).
3.2.1 Replacing the Fuse (see Figure 3-2)
1. Turn off power to the FLSC-34,
2. Remove the two screws from sides of case.
3. Lift off cover and remove printed circuit sub-assembly.
4. Pull fuse from fuse socket using fingers (Pliers are not
recommended).
5. Install new fuse.
6. Reassemble into lower case.
3.2.2 Range Select for Analog Output
1. Turn power to FLSC-34 off.
2. Remove the two screws from sides of case.
3. Lift off cover and remove printed circuit sub-assembly.
4. Turn “on” desired range position using a ball point pen or
similar object. (Refer to Figure 3-3 and Table 3-1.)
5. Reassemble into lower case.
SECTION 4 CALIBRATION OF ANALOG OUTPUT
4.1 INTRODUCTION
In general, all flow measurement systems supplied by OMEGA
Engineering have been factory calibrated as specified by the
user, at the time of purchase.
Field calibration is only required when a change has occurred or
is sought to the measuring system. Such a change may be due to
repair, replacement or recalibration of the flowmeter, or perhaps
a change in the analog output span.
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