<Toc>
<3. Programming>
3-1
IM 05E01D02-41E
3.
Programming
This chapter explains how to create programs by citing specific examples. Create
user programs by referring to the given programming examples. Programming is
not possible when the controller is set in Run mode (PRG). Place the controller in
Stop (RESET) mode before you start programming.
Be sure to carry out the settings instructed in “2. Initial Settings” before beginning
any of the tasks discussed in this chapter.
3.1
Overview of Program Patterns
■
Programming Overview
The programming example given here demonstrates how to do the tasks outlined below.
1.
Program the controller to start program operation at 25
⬚
C and raise the temperature
up to 80
⬚
C in 20 minutes.
2.
When the temperature reaches 80
⬚
C, keep it at this level for 80 minutes.
3.
Finally, lower the temperature to 0
⬚
C in 10 minutes.
Event output
•
Set a deviation of 5
⬚
C on both the positive and negative sides of a program setpoint to
let the controller output an event signal if the temperature goes beyond the deviation
range.
•
Let the controller output an event signal when the temperature stabilizes to 80
⬚
C.
Segment-1 segment time
20 min.
Segment-2 segment time
80 min.
Segment-3 segment time
10 min.
Time
Temperature
Outputs an alarm if the temperature goes beyond the range “program setpoint
⫾
5
°
C.”
The output turns on after 20 minutes have elapsed since the start of program operation.
Then, it turns off after 100 minutes have elapsed from the start of program operation.
Example of Creating Program Pattern 1
PV event 1
Time event
80
°
C
25
°
C
0
°
C
Not used.
PV event 2
ON
OFF
Start of program operation
Starting target setpoint
(1.SSP)
Target setpoint to be
reached by segment 1
(1.SP1)
Target setpoint to be
reached by segment 2
(1.SP2)
Target setpoint to be
reached by segment 3
(1.SP3)
1
2
3
1st Edition : May 31,2000-00
Summary of Contents for UP350
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