Mitsubishi MELSEC-Q Series User Manual page 272

9
UTILITY OPERATION
Module information Event history
Item
SRAM monitor
Offset address
Address
Monitor data
Offset
button
Start monitor
button
Stop monitor
button
Clear
Monitor type
button
Save data
Address
Display data
9
- 22 9.2 C Controller Setting Utility
9.2.4 Operating SRAM monitor screen
Table9.11 Explanation of SRAM monitor screen
SRAM monitor
Displays the data in the battery-backed-up RAM.
Displays the address in each column of "Monitor data" as the address
offset from "Address".
Displays the leftmost address on each line of "Monitor data".
Displays the data of the battery-backed-up RAM.
Double-clicking the data (or selecting the data and pressing the [Enter]
key) enters the data at that address.
Sets the addresses of the data displayed on the top line of the SRAM
monitor in 0x10 units.
When a value is not set in 0x10 units, its fraction is dropped at the time of
monitor.
(Initial value: 0, Setting range: 0 to 1FFFF
Starts monitoring.
During monitoring, this button changes to
top right of the button.
In an offline status, this button cannot be clicked.
Stops monitoring.
When monitoring is stopped, this button changes to
Clears all the battery-backed-up RAM data to zero.
Selects the SRAM monitor display type
Display
BYTE
WORD
DWORD
Saves all data of the battery-backed-up RAM.
Monitor stops from when the
are saved.
* 1 If a set value is outside the setting range, it is automatically corrected to a value within the setting
range at a monitor start.
* 2 In the case of "WORD" or "DWORD", the battery-backed-up RAM data are displayed in a little
endian system (in order of the low-order byte to the high-order byte).
Example) Display example at "DWORD" setting
Memory status
+00 +01 +02 +03
12 34 56 78
Figure 9.24 Display example at "DWORD" setting
Module monitor Online operation
Description
*1
)
Stop monitor
Description
Displays data in units of 1 byte.
Displays data in units of 2 bytes.
Displays data in units of 4 bytes.
button is pressed until all the data
Save data
SRAM monitor screen display
Address
Display data 78
Reference
section
This section
, and "*" flashes at
.
Start monitor
*2
*2
This section
+00
56 34 12
(3)
(4)