Omega DP461-S - Engineering Units; Figure 8-3 Internally-Powered Bridge Input

8-4
STRAIN
0
8
Scaling to
Display
Engineering
Units
Figure 8-3. Internally-Powered Bridge Input
C. The unit comes with all lockout bytes set in the unlocked
position(“0”). Refer to Section 9.1 for information on lockout
bytes.
If the unit has been programmed previously make sure that at least
the following lockout bytes are unlocked. If they are Not unlocked
you will not be able to scale the meter.
MENU SUBMENU
“L1CNF” L1C.7=0, L1C.8=0
“L2CNF” All sub menus must be unlocked “0”
Scroll to the menu by pressing the ‘MENU’ button. Enter a
submenu by pressing the ‘MIN’ button. select “0” or “1” by pressing
the ‘MAX’ button. Always press the ‘MENU’ button when leaving
a submenu to store the values you entered.
METHOD I: SCALING WITHOUT SIMULATING A KNOWN LOAD.
NOTE: All of the following steps are accomplished by using the
front panel buttons.
1. Scale the instrument by entering only 3 parameters.
The 3 parameters are “RDG SC” (Reading Scale), “RDG OF”
(Reading Offset), and “DEC PT” (Decimal Point).
Calculate “RDG SC” using the following formula:
METER
NC
NC
+
E
+
S
–
S
–
E
P9
P3
1
2
3
1
2
3
+
EXC
+
SIG
–
SIG
–
EXC