Online Module Change Operations - Mitsubishi Melsec-Q Series User Manual

7
ONLINE MODULE CHANGE
7.2

Online Module Change Operations

The following gives the operations performed for an online module change.
CPU operation : Executed
FROM/TO
X/Y Dedicated
instruction
refresh instruction
*1
7
- 3 7.2 Online Module Change Operations
Table 7.1 Online module change operations
: Not executed
GX Configurator
Device
Initial
Monitor/
test
setting
test
parameter
* 1: Access to the intelligent function module device (U \G ) is included.
* 2: In the absence of the operation marked *2, the operation of the intelligent function module is the
operation performed prior to that.
(User operation)
(1) Disabling conversion
Turn OFF all Y signals that
have been turned ON by a
sequence program.
(2) Removing a module
Start an online module change
operation using GX Developer.
Click the Execution button on
the screen to enable a module
change.
Remove the target module.
(3) Mounting a new module
Mount a new module.
After mounting the
module, click the Execution
button on the screen of
GX Developer.
Operation check before start of control
(4) Checking operation
Click the Cancel button to
leave the online module
change mode.
Conduct an operation test on
the new module using "Device
test" of GX Developer or
"Monitor/Test" of
GX Configurator.
Perform user range restoration
processing by writing data to
buffer memory at this point.
Completion of operation check
(5) Restarting control
Resume the online module
change mode using
GX Developer and click the
Execution button to restart
control.
(Intelligent function module
operation)
Module operates normally.
Module stops operation.
"RUN" LED is off.
Conversion is disabled.
X/Y refresh resumes and
module starts operation.
"RUN" LED is on.
Module operates with
default settings.
(X0 remains OFF.)
If initial setting parameters have
been set, module operates
according to them at this point.
Module operates according
to test operation. *2
Module ready (X0) turns ON.
Module operates according to
sequence program which
performs initial setting on the
rising edge of X0. *2