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MELSEC-Q
7 ONLINE MODULE CHANGE
(b) If the saved buffer memory contents are not yet prerecorded, record them
in the following procedure.
1) Turn Operating Condition Setting Request (Y9) form OFF to ON.
2) Compare the factory default offset/gain value/user range settings
offset/gain value/user range settings offset/gain resistance value
(buffer memory addresses 160 to 255: Un\G160 to Un\G255)with the
range reference table. Refer to Section 7.4 for the range reference
table.
3) If the values are proper, record the factory default offset/gain
value/user range settings offset/gain value/user range settings
offset/gain resistance value.
POINT
If the buffer memory values compared with the reference table are not proper,
saving and restoration of the user range cannot be executed.
Before executing module control resumption, follow the flowchart in Section 4.6 and
make offset/gain setting in the device test of GX Developer.
Perform mode switching by making the mode switching setting (buffer memory
addresses 158, 159: Un\G158, Un\G159) and turning Operating Condition Setting
Request (Y9) from OFF to ON.
Note that if module control is resumed without offset/gain setting being made,
operation will be performed with the default values.
(2) Dismounting of module
(a) After choosing [Diagnosis] - [Online module change] on GX Developer to
enter the "Online module change" mode, double-click the module to be
changed online to display the "Online module change" screen.
Summary of Contents for q64rd
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