Mitsubishi MELSEC Q Series User Manual

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9.2 C Controller Setting Utility
9.2.4 Operating SRAM monitor screen
9
UTILITY OPERATION
* 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
Table9.11 Explanation of SRAM monitor screen
Item Description
Reference
section
SRAM monitor Displays the data in the battery-backed-up RAM.
Offset address
Displays the address in each column of "Monitor data" as the address
offset from "Address".
Address Displays the leftmost address on each line of "Monitor data".
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.
This section
(3)
Offset
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
*1
)
button
Starts monitoring.
During monitoring, this button changes to , and "*" flashes at
top right of the button.
In an offline status, this button cannot be clicked.
button
Stops monitoring.
When monitoring is stopped, this button changes to .
button
Clears all the battery-backed-up RAM data to zero.
Monitor type
Selects the SRAM monitor display type
button
Saves all data of the battery-backed-up RAM.
Monitor stops from when the button is pressed until all the data
are saved.
This section
(4)
Figure 9.24 Display example at "DWORD" setting
SRAM monitor
Module monitor Online operationEvent historyModule information
Start monitor
Stop monitor
Stop monitor
Start monitor
Clear
Display Description
BYTE
Displays data in units of 1 byte.
WORD
Displays data in units of 2 bytes.
*2
DWORD
Displays data in units of 4 bytes.
*2
Save data
Save data
Memory status
SRAM monitor screen display
78
+00
56 34 12
Address
Display data
12 34 56 78
+00 +01 +02 +03
A
ddress
Display data

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English