Mitsubishi Electric MELSEC-Q QD75M User Manual page 203

5 DATA USED FOR POSITIONING CONTROL
Storage item
[Storage details]
[Reading the monitor value]
Buffer
Md.3
memory
Start
information
Md.4
The starting No. is stored.
Start No.
Md.5
The starting time is stored.
Start
Hour
Md.6
Start
The starting time is stored.
Minute:
second
Note: 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.
Storage details
This area stores the start information (restart flag, start origin, and start
axis):
b15 b12 b8
0 0 0 0 0
Not used
Restart flag
Stored contents
Restart flag OFF
Restart flag ON
Monitoring is carried out with a hexadecimal display.
Buffer
memory
Monitoring is carried out with a hexadecimal display.
Monitoring is carried out with a hexadecimal display.
Reading the monitor value
•
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.
Monitoring is carried out with a hexadecimal display.
b4 b0
Monitor
value
Start origin
Stored contents
Storage value
00
PLC CPU
External signal 01
Peripheral device 10
Storage value
0
1
A B C
b15 b12 b8 b4
A C
B
Start No.
Stored contents
Positioning operation
JOG operation
Manual pulse generator
Machine OPR
Fast OPR
Current value changing
Simultaneous start
Buffer memory (stored with BCD code)
0 1 5
0
b15 b12 b8 b4 b0
0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1
0 0 0 to 2 0 to 3
Not used
Buffer memory (stored with BCD code)
4 9 0 7
b15 b12 b8 b4 b0
0 1 0 0 1 0 0 1 0 0 0 0 0 1 1 1
0 to 5 0 to 9 0 to 5 0 to 9
5 - 112
MELSEC-Q
Start axis
Stored contents
Axis 1
Axis 2
Axis 3
Axis 4
D
Monitor value
b0
A B
D
Storage value
A B C D
0 0 0 1
to
0 2 5 8
1 B 5 8
1 B 5 9
1 B 5 A
1 B 5 B
1
B 5 C
2 3 3 2
2 3 3 3
2 3 2 9
2 3 2 A
2 3 2 B
2 3 2 C
Monitor value
0 1 5
0
00 to 23 (hour)
Monitor value
4 9 0 7
00 to 59 (minute) 00 to 59 (second)
Storage value
1
2
3
4
C D
Reference
(Decimal)
001
600
7000
7001
7002
7003
7004
9010
9011
9001
9002
9003
9004