Watlow Electric Ramping and Profiling Microprocessor-Based Control SERIES 1500 - Manual (Page 11)

Starting Out
Starting Out, Chapter 1 WATLOW Series 1500 User's Manual 11
DATA display: Indicates
the entered data or
monitored value in four
digits.
CHG PARA LED: When
lit indicates the processor
is in the CHANGE
PARAMETER mode.
FUNCTION display: Shows the
prompts used in the three modes. It
also displays hours when TIME is
selected in MONITOR DATA,
CHANGE PARAMETER or CHANGE
DATA modes. The FUNCTION
display shows a flashing alarm code
if one is activated.
RE-START key: Returns
the controller to the initial
program step only when
the 1500 is in the PRO-
GRAM HALT condition.
See RUN/HALT key.
RUN/HALT key: Starts or
stops the program. The
processor will resume a
program where it was
interrupted, unless the RE-
START key was pressed,
or the step number or set
point data at the current
step was changed during
the HALT condition. CLEAR (erase) key:
a. Clears alarm codes
from FUNCTION display in
MONITOR DATA mode.
b. Clears the step in the STEP
display in CHANGE DATA mode
when the unit is in the HALT
condition.
c. Clears all 51 programmed steps
when the unit in the HALT
condition, and in GUARDED
ACCESS area of the CHANGE
PARAMETER mode. (This
prevents an operator from
accidentally clearing an entire
program. The GUARDED
ACCESS data is not cleared).
TIME LED: When lit,
indicates that the FUNC-
TION and DATA displays
are showing time.
DOWN key: Acts opposite
the UP key. Ramps the
value in the DATA display
downward. A light touch
decreases the value by
one. Holding the key
down causes the DATA
display to decrease
rapidly.
ENTER key: Enters
selected data or
NEXT STEP
operations in the
CHANGE DATA and
CHANGE PARAME-
TER modes.
UP key: Increases
the value in the
DATA display. A
light touch increases
the value by one.
Holding the key
down causes the
DATA display to
increase rapidly.
STEP display: Indicates the current
step number being programmed in
the CHANGE DATA mode, or the
current step being monitored in the
MONITOR DATA mode.
CHG DATA LED:
When lit indicates
the processor is in
the CHANGE DATA
mode.
MNTR DATA LED:
When lit, indicates
the processor is in
the MONITOR
DATA mode.
MODE key: Selects
either the MONITOR
DATA, CHANGE
DATA or CHANGE
PARAMETER
mode.
FCTN key: The
FUNCTION key
steps through the
prompts in each of
the three modes.
PROG END LED: PROGRAM END--
Indicates that the processor has
reached the end of the program.
Figure 6 (Con't) -
Series 1500 Front Panel
Components
PROG HALT LED: PROGRAM HALT--When lit, indicates
that the processor is in the HALT condition. A RUN/HALT
key press, or a "Blank Step" in the program causes a
HALT. When flashing, indicates that the processor is in
"Remote-Hold" condition. See RUN/HALT key.