12 DATA USED FOR POSITIONING CONTROL
12.7 Monitor Data
469
12
[Md.3] Start information
This area stores the start information (restart flag, start origin, and start axis):
• Restart flag: Indicates whether the operation has or has not been halted and restarted.
• Start origin: Indicates the source of the start signal.
• Start axis: Indicates the started axis.
Refresh cycle: At start
■Reading the monitor value
• Monitoring is carried out with a hexadecimal display.
*1 If a start signal is issued against an operating axis, a record relating to this event may be output before a record relating to an earlier
start signal is output.
• Buffer memory address
Refer to the following for the buffer memory address in this area.
Page 390 Monitor data
Not used
00000
b15 b12 b8 b4 b0
CPU module
Stored contents Stored value
00
01
10
External signal
Engineering tool
Start origin
Restart flag OFF
Stored contents Stored value
0
1
Restart flag ON
Restart flag
3
Axis 1
Axis 2
Axis 3
Axis 4
Stored contents Stored value
Start axis
1
2
4
Axis 5
5
Axis 16
10
* Valid for the range from axis 1 to axis 2 in
the RD77MS2, from axis 1 to axis 4 in the
RD77MS4, and from axis 1 to axis 8 in the
RD77MS8.
Buffer
memory
Monitor
value
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