Program Example - Mitsubishi Electric MELSECSystem Q User Manual

6 PROGRAMMING
Setting item
CH1 automatic backup

6.2.2 Program example

Turned off in setting mode, turned on in operation mode.
Operation Setting
mode setting change
command command
2
E PROM's PID constant read command
2
E PROM's Setting
PID change
constant command
read
command
PID constant read completion
CH1 PID constant
read completion flag
Error code output
Write error Module ready
flag flag
Error reset request
Error code reset
command
Error reset Write error
command flag
Temperature process value output
Module Setting/operation
ready flag mode status
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(4) Execution of auto tuning in monitor/test setting (Refer to Section 5.6)
Auto tuning is executed in the procedure shown on the screen.
Set whether or not the PID constants will be backed up automatically by
2
E PROM.
2
E PROM
backup
command
Description
Setting/operation
mode command
CH1 PID constant
read completion flag
Write data Write data error
error code code output
storage (BCD 2 digits)
register
Error reset
command
Error reset
command
Read temperature Temperature
detection value detection value
storage register output
(BCD 4 digits)
MELSEC-Q
Setting
Yes
2
Reads from E PROM
the PID constants set
by auto tuning.
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