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MODEL 1054B C
4.6 DEFAULTS. Display Mnemonic dFt. This item is
used to set the configuration of relays and output
default conditions during fault or hold status. See
Table 8-1 for a listing of the possible fault conditions
which can be diagnosed by the analyzer. A hold sta-
tus is initiated by pressing the HOLD key twice.
(Press twice again to remove the hold.)
A. Relay 1 and 2. Display Mnemonic rL1 and rL2.
The relays can be set to activate on, deactivate oFF, or
hold present status non. See Table 4-2.
B. Current Output. Display Mnemonic Cur.The cur-
rent output is held non or goes to a specified value cur
during a fault condition. cur will probably be the most
informative selection.
C. Fault History. Display Mnemonic SHO. Selecting
this item will display the most recent detected faults.
Press the SCROLL key once for each previous fault
history. Pressing ACCESS will clear SHO history.
TABLE 4-2. Relay States for Various Conditions and Alarm/Default Configurations
Set Menu
default
Set menu AL1/AL2 setting
(dFt)
setting
On
rL1/rL2
on
Proc. det.
oFF
Proc. det.
non
Proc. det.
Proc. det.: Alarm state is determined by
the process value.
+
: Relay will activate.
–
: Relay will not activate.
24
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ANALYZER CONDITION
NORMAL
Set menu AL1/AL2 setting
OFF
FLt
On
(Alarm 2
only)
–
–
–
–
–
–
Proc. det.
4.6.1 Default Configuration (dFt).
Refer to Figure 4-6.
SEt
dFt
Figure 4-6. Default Configuration
1.
Enter Set Mode by pressing the ACCESS key
twice.
2.
SCROLL (
) until dFt appears on the display.
é
3.
SELECT to move to the next menu level. rL1 will
display.
4.
SCROLL (
) then SELECT desired item.
é
5.
Display will show next item selection. SCROLL
(
) and ENTER desired item.
é
6.
Repeat Steps 4 and 5 as required for other
default settings rL2 and Cur. If cur is selected for
Cur, press ENTER then use the SCROLL (
and SHIFT (
ç
value in mA.
7.
Press the ENTER key to return to Set Menu.
HOLD
OFF
FLt
(Alarm 2
only)
+
–
–
–
–
–
–
–
Example: If you want the analyzer to activate relay 1 in
hold mode during calibration, set AL1 to On
in Section 4.3, and set rL1 to on.
SECTION 4.0
CONFIGURATION
on
oFF
rL1
non
rL2
Cur
non
SHO
cur
) keys to enter the desired current
FAULT
Set menu AL1/AL2 setting
On
OFF
(Alarm 2
+
–
–
–
Proc. det.
–
)
é
FLt
only)
+
+
+
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