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LOOP BREAK ENABLE/DISABLE SUBMENU:
Press
d
4) Display advances to Loop Break Time
ENBL
Enable or
DSBL
Disable Submenu and flashes the previous selection.
Press b 5) Scroll through the available selections:
ENBL
or
DSBL
.
Press
d
6) Display shows
STRD
stored message momentarily and then
advances to
B.TIM
Loop Break Time Value Submenu.
Loop Break is an additional safety feature intended to monitor the rate of change
of the Process value, while approaching the SP1. It is strictly intended as an
additional warning system, therefore its use is entirely optional. An active Loop
Break will cause the Process Value digits to blink in a rotating pattern. If the
Process value reaches the set point the blinking will stop and
B.TIM
is
completed successfully, otherwise
BR.AL
Break Alarm warning will flash, and
Output 1 will be turned off.
LOOP BREAK TIME VALUE SUBMENU:
Press
d
7) Display flashes 1
st
digit of previous Loop Value.
Press
b
&
c
8) Press
b
and
c
buttons to enter a new Loop Value
(0 to 99.59).
Press
d
9) Display shows
STRD
stored message momentarily and then
advances to
SP.DV
Setpoint Deviation Submenu.
Loop Break Time Value allows the user to determine the time interval in MM:SS
(from zero to 99 minutes and 59 seconds) that the Process Value changes at
least 10 counts. At the specified time interval, if the process value change is less
than the stated rate, flashing
B.TIM
will be displayed, the output 1 will be de-
energized, and Alarm 1 energized. Loop break time will be disabled when the
Process Value (PV) enters the control band.
SETPOINT DEVIATION ENABLE/DISABLE SUBMENU:
Press
d
13) Display advances to Setpoint Deviation
ENBL
Enable or
DSBL
Disable Submenu and flashes the previous selection.
Press
b
14) Scroll through the available selections:
ENBL
or
DSBL
.
Press
d
15) Display shows
STRD
stored message momentarily and then
advances to
OUT1
Output 1 Menu.
Set Point Deviation Submenu, if “enabled”, allows changes to Setpoint 1 to be
made automatically to Setpoint 2. This mode is very helpful if the Process Value
changes often. In Set Point Deviation Mode, set SP2 a certain number of counts
away from SP1 - this relation remains fixed when SP1 is changed.
For instance:
Setting SP1=200 and SP2=20 and enabling
SP.DV
means that the absolute
value of SP2=220. Moving SP1 to 300, the absolute value of SP2 becomes 320.
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