Online Module Change Operations - Mitsubishi Electric MELSEC-Q series User Manual
Programmable controller current transformer input module
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Also See for MELSEC-Q series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
Table of Contents
10.3
Online Module Change Operations
The following table explains the operations for an online module change.
User operation
(1) Stop the operation.
Turn off all of the Y signals
turned on using the sequence
program.
(2) Remove the module.
Start the online module change
using GX Works2.
Click the
button on
GX Works2 to enable the module
to be removed.
Remove the module.
(3) Mount a new module.
Mount a new module.
After mounting the module, click
the
button on GX Works2.
Check the operation before the control starts.
(4) Check the operation.
Click the
GX Works2 to turn off
the online mode.
On "Device test" on GX Works2,
test the operation of the module.
Restore the user range settings
by writing of buffer memory
addresses at this point.
Operation check is completed.
(5) Resume the control.
Restart the online module change
using GX Works2.
Click the
button to resume
the control.
*1
An access to 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.
182
Operation of
the CT input module
The module is operating
normally.
The operation of the module
stops.
The RUN LED turns off.
Conversion disabled.
The X/Y refresh restarts and
the module starts up.
The RUN LED turns on.
Default operation starts.
(Module READY (X0)
remains off.)
When there are initial
setting parameters, the
module starts to operate
based on the initial setting
parameters at this point.
button on
The module operates based
on the test operation.
Module READY (X0) turns on.
The module operates based on
the initial setting sequence
program which runs when
Module READY (X0) turns on.
Operation of the CPU module
X/Y
FROM/TO
refresh
instructions
*2
*2
: Executed ×: Not executed
Dedicated
Device
*1
instruction
test
Parameter
setting
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