Online Module Change Operations - Mitsubishi Electric MELSEC Q Series User Manual

7 ONLINE MODULE CHANGE

7.2 Online Module Change Operations

Programmable controller CPU operation
FROM/TO
X/Y refresh instruction
1: Access to the intelligent function module device (U \G ) is included.
2: In the absence of the operation marked
3: The item numbers (1) to (5) correspond to the operation step numbers of "Section 7.3 Online module change procedure".
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The following gives the operations performed for an online module change.
: Executed : Not executed
GX Configurator
Device test Initial setting
1 parameter
2, the operation of the intelligent function module is the operation performed prior to that.
search engine
(User operation)
Monitor/
test
(1) Operation stop
Turn off all Y signals that were
turned on by a sequence
program.
(2) Dismounting of module
Operate GX Developer to start
an online module change.
Click the [Execution] button of
GX Developer to make the
module dismountable.
Dismount the corresponding
module.
(3) Mounting of new module
Mount a new module.
After mounting the module,
click the [Execution] button of
GX Developer.
Operation check before control start
(4) Operation check
Click the [Cancel] button of
GX Developer to leave the
online mode.
Conduct an operation test on
new module using
"Device test" of GX Developer
or "Monitor/test" of
GX Configurator.
Operation check completed
(5) Resumption of control
Operate GX Developer to
resume the online module
change mode, and click the
Execution of button to resume
control.
MELSEC-Q
(Intelligent function module
3
operation)
Module is operating as usual.
Module stops operating.
RUN LED turns off.
X/Y refresh resumes and
the module starts.
RUN LED turns on.
Default operation
(X0 remains off.)
When there are initial setting
parameters, operation is
performed according to the initial
setting parameters at this point.
Module operates according
to test operation.*
X0 (Module ready) turns on.
Start is made when X0 turns
from off to on.
Operation is performed
according to the initial setting
2
sequence.*
2
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