B-320-2-E
18
6.3 Pushbutton Functions
NOTE: For pushbutton switch locations, see Fig. 6.2 on page 16.
STOP
ROT.
button (red), internal button
STOP
ROT.
functions
Mode of Operation
Functions
RUN mode
(batch pr
ocessing)
A batch in progress.
Stops the batch process. (Shutoff valve operation signal: stops; LCD OUT
goes out.)
Batch setpoint (not
operating) or cumulative
total count is displayed.
Batch setpoint displayed (6-digit) + RUN status displayed
⇔
Displayed alternately (after a reset)
Cumulative total count displayed (8-digit)
Batch setpoint is displayed
(not operating)
Switches to the batch setup mode (by holding the button depressed for
more than 3 sec. after resetting).
Missing flow-signal pulses
detected.
Resets the missing flow-signal pulse detection alarm. (LCD ALM goes
out.)
Batch setup mode
Establishes a batch setpoint and switches to show the batch setpoint.
Setup mode
Scrolls through the available parameters.
Establishes parameters.
CAUTION: A switch from batch setpoint display to cumulative total count display is not
acceptable unless the missing flow-signal detection alarm
ALM
, end-of-batch
END
and overshoot detection alarm
ALM
are all reset, and the current batch
setpoint is reset.
RESET
▲
button (white), internal button
RESET
▲
functions
Mode of Operation
Functions
RUN mode
(batch
pr
ocessing)
Batch setpoint is displayed
(not operating).
Resets the batch setpoint (count),
Resets the end of a batch process. (LCD END : goes out.)
An overshoot is detected. Resets the missing flow-signal pulse detection alarm. (LCD ALM
goes out.)
Batch setup mode
Moves the digit to be configured.
Setup mode
Moves the digit to be configured.
CAUTION: On resetting a batch setpoint, the LCD display will show "0" in the add counter,
and Batch setpoint in the subtract counter.
START
▲
button (green), internal button
START
▲
functions
Mode of Operation
Functions
RUN mode
(batch
pr
ocessing)
Batch setpoint is
displayed
(not operating).
Starts a batch process. (Shutoff valve operation signal produced. LCD
OUT : lights up.)
A batch is in progress.
Batch setpoint is displayed (for a duration from 5 sec. after start of a
batch process until its end while the button is held depressed).
Batch setup mode
Adjusts a figure (incremental).
Setup mode
Adjusts a figure (incremental).
CAUTION:
Starting up a batch process instantly produces a valve operation signal "SV Open" [LCD
OUT
(bottom): illuminated] whereas, in a model without the 2-step open feature, it
produces a shutoff valve operation signal "MV Open" [LCD
OUT
(top): illuminated] at the
same time.
