Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 35)

35
IM 04L31A01-02E
Program Control Function (/PG1 and /PG2 Options)
Program Control Function Introduction
Program control function is used to ramp-up or ramp-down the SP according to a
program pattern. The number of program patterns that you can create with the CX2000
is as follows:
•
/PG1 option: 4
• /PG2 option: 30
Up to 99 segments can be specified in a single pattern.
/PG1: 4 patterns
/PG2: 30 patterns
Segment
Time
SP
Operation Mode during Program Control
The following 4 types of operation modes are available.
Reset mode Local operation mode
Program control mode Hold operation mode
Switch
the loop
to program control.
Switch the loop to local.
End program to local.
The program control of all loops is stopped.
All event outputs are cleared (off).
When switched to local operation mode
even during program control,
fixed-point operation is carried out
according to the SPs specified locally.
The raising or lowering of the SP
according to the program pattern
during program control
is forcibly held such as through key operation.
Control operation is being carried out
according to the program pattern.
Program in operation
Clear hold.
Start
program control.
Execute hold.
Reset.
Stop all loops.
Start loop
operation.
Reset.
End program to reset.
Stop all loops.
Start
program control
Operations on the Program Selection Display (See the figure on the next page)
Displaying the Program Selection Display
On the control group display or control overview display, select CONTROL >
PROGRAM from the screen selection menu.
Starting Program Control
Program control starts, and the screen switches to the Program Control Display.
1. On the Program Selection Display, press the RUN soft key .
A pop-up window for starting the program control appears.
Window for starting
the program control
2. Press the DISP/ENTER key .