Output Scale Expansion - Emerson Rosemount Analytical 1054B C Instruction Manual

MODEL 1054B C
4.8 OUTPUT SCALE EXPANSION. This section should
be followed if it is desired to scale the current output
range other than the factory setting of 0-20 millisiemen.
The output zero and full scale value should be adjusted
after completing the configuration procedure as outlined
in Sections 4.1 to 4.6 (refer to Figure 4-8).
A. ZERO POINT (0 mA or 4 mA) (LO)
1. Press the PV key to ensure that the unit is not in
Set Mode.
2. Press the ALARM 1 key twice. The display will
show LO briefly then display the ZERO point.
3. Press SELECT to adjust the value. The display
will acknowledge briefly with AdJ followed by the
Numeric Display with digit flashing.
4. SCROLL ( ) and SHIFT (
é
desired value.
5. ENTER value into memory. The display will show
LO and display the entered value.
B. Full Scale (F.S.) Point (20 mA) (H I )
1. Press the PV key to ensure that the analyzer is
not in Set Mode.
ZERO
ALARM
1
ç
SELECT
F.S.
ALARM
2
Press Press
Twice Once
26
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2.
3.
4.
5.
) to display the
ç
AdJ
Displays
Numeric Change to
Briefly
Display
FIGURE 4-8. Output Scale Expansion
Press the ALARM 2 key twice. The display will
show H I briefly then display the FULL SCALE
point.
Press SELECT to adjust the value. The display
will acknowledge briefly with AdJ followed by the
Numeric Display with digit flashing.
SCROLL ( ) and SHIFT (
é
desired value.
ENTER value into memory. The display will show
H I and display the entered value.
NOTE
For a reverse output, enter the higher
value for zero, and the lower value for
the Full Scale.
NOTE
Selection of µS/mS and decimal positions
is achieved by pressing SHIFT (
the µS/mS flag flashes, then SCROLL
( ) until the desired combination of deci-
é
mal position and mS (quick flashing)/µS
(slow flashing) flag are displayed.
é
ACCESS
LO/HI
ENTER
ç
SELECT
Press Displays
desired
Once
value
SECTION 4.0
CONFIGURATION
) to display the
ç
) until
ç
Numeric
Display
Briefly
of
Setpoint