IS-300A
4. How to Operate Screens
4-31
(i) FLOW SWITCH/PRG PROTECT
Set external input pin 21.
When FLOW SWITCH is selected
Flow switch input pin. Opening this pin will result in a flow rate error.
When PRG PROTECT is selected
Program inhibit input pin. Closing this pin will not allow you to change the
settings.
When changing the inhibition state with the program inhibit input pin, press the
MENU key to display the MENU screen after changing the state. Even if the
MENU screen is being displayed, press the MENU key to refresh the MENU
screen.
(j) NEXT
When the cursor ( ) is displayed, pressing the ENTER key will change the
display to the MODE SELECT (2) screen.
(k) STEPPER MODE
Select whether or not to perform step-up (-down) operation. (Refer to (11)
STEPPER COUNT Screen.)
OFF
Step-up (-down) will not be performed.
FIXED
Step-up (-down) will be performed. (Stepwise)
LINEAR
Step-up (-down) will be performed. (Linear)
(Note) RATIO has an effect on HEAT only. Fixed for UF/DL.
When the HEAT value multiplied by RATIO falls below the UF/DL value,
an error occurs.
The COUNT value works as each STEP value.
Example) “STEP1 0020 STEP2 0010” indicates that STEP1 is 20 times and
STEP2 is 10 times.
The conditions to increase stepper count is the same as the TOTAL counter.
(l) SCHEDULE
Sets the selection method of schedule number.
EXT
Selects the schedule number by binary of the I/O terminal strip.
INT
Selects the schedule number by the SCHEDULE number of
MA-660A. (Note)
(Note) When setting SCHEDULE to INT, be sure to connect MA-660A and
select the SCHEDULE screen or the MONITOR screen.
(k)
(l)
(m)
(n)
(r)
(s)
(o)
(p)
(q)
(t)
(u)
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