Omron CQM1H - 08-2005, Operation Manual

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249
2-6-2 Using Operation Control Commands
The following procedure is used to control the Unit.
Output word
Input word
C
jjj
C
jjj
See note.
(1) (2)
60 ms max.
1, 2, 3... 1. Output word: An operation control command (C
jjjj
) is set to specify the
loop and the operation.
2. Input word: The operation control command set in the output word will be set
as a “Command Acknowledged Flag” to indicate that the command has
been acknowledged.
Note The value set by the previous command will be valid as soon as the next com-
mand is acknowledged.
Operation Control Commands
Command
(Set in output word;
see notes 1 and 2.)
Operation Validity (See note 3.)
CCC
j
(
j
= 1 to 4 or A) STOP
Always (STOP/RUN in
CCD
j
(
j
= 1 to 4 or A) RUN
Auto Mode)
CDC
j
(
j
= 1 to 4 or A) Manual Mode (See note 4.)
Not valid during
CDD
j
(
j
= 1 to 4 or A) Auto Mode
autotuning.
CFC
j
(
j
= 1 to 4 or A) Autotuning (See note 5.) PID control (Not valid
during Manual Mode or
STOP.)
CFD
j
(
j
= 1 to 4 or A) Cancel autotuning PID control
CEEA (See note 6.) Writing set point to
EEPROM Always
Note 1. The Unit will start in Auto Mode in STOP status when power is turned ON.
Auto
Manual
Function
DIP switch
PID
ON/OFF
Autotuning
Cannot be changed during autotuning.
RUN
STOP
2. Input the loop number for
j
in the command codes. “A” is used to indicate all
loops. When “A” is used, the operation control command will not be
executed for any loops if even one of the four loops does not meet the write
conditions. For example, a setting error will occur (EE01) if the AUTOTUN-
ING command is set when loops 1 to 3 are in RUN status and loop 4 is in
STOP status.
Application
Section 2-6