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7
ONLINE MODULE CHANGE
7.2 Online Module Change Operations
7 - 3
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
SETUP AND
PROCEDURES BEFORE
OPERATION
5
UTILITY PACKAGE (GX
CONFIGURATOR-TI)
6
PROGRAMMING
7
ONLINE MODULE
CHANGE
8
TROUBLESHOOTING
7.2 Online Module Change Operations
The following gives the operations performed for an online module change.
* 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.
Table 7.1 Online module change operations
CPU operation : Executed : Not executed
(User operation)
(Intelligent function module
operation)
X/Y
refresh
FROM/TO
instruction
*1
Dedicated
instruction
Device
test
GX Configurator
Initial
setting
parameter
Monitor/
test
(1) Disabling conversion
(2) Removing a module
(3) Mounting a new module
(4) Checking operation
Completion of operation check
(5) Restarting control
Turn OFF all Y signals that
have been turned ON by a
sequence program.
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.)
Start an online module change
operation using GX Developer.
Click the Execution button on
the screen to enable a module
change.
After mounting the
module, click the Execution
button on the screen of
GX Developer.
Click the Cancel button to
leave the online module
change mode.
Module operates according
to test operation.
*2
Resume the online module
change mode using
GX Developer and click the
Execution button to restart
control.
Module ready (X0) turns ON.
Module operates according to
sequence program which
performs initial setting on the
rising edge of X0.
*2
Operation check before start of control
Remove the target module.
Mount a new module.
Conduct an operation test on
the new module using "Device
test" of GX Developer or
"Monitor/Test" of
GX Configurator.
If initial setting parameters have
been set, module operates
according to them at this point.
Perform user range restoration
processing by writing data to
buffer memory at this point.