Mitsubishi Electric MELSEC Q Series, User Manual

Page: 214 / 834

5 - 94
Chapter 5 Data Used for Positioning Control
Storage item Storage details Reading the monitor value
Starting history (U
p to 16 rec
ords can be
stored)
[Md.54]
Start
Year: month
The starting time (Year: month) is
stored.
Refresh cycle: At start
Monitoring is carried out with a hexadecimal display.
0
b15 b12
0 0 0 1 0 0 0 0 0 0 0 1 1 0
b8 b4 b0
8 0 6 0
Buffer memory (stored with BCD code)
0 to 9 0 to 9 0 to 1
01 to 12 (month)
0 to 9
Monitor value
8 0 0 6
00 to 99 (year)
0
[Md.5]
Start
Day: hour
The starting time (Day: hour) is
stored.
Refresh cycle: At start
Monitoring is carried out with a hexadecimal display.
0
b15 b12
0 1 0 1 0 0 0 0 0 0 1 0 1 0 1
b8 b4 b0
8 1 5 2
Buffer memory (stored with BCD code)
0 to 3 0 to 9 0 to 2
00 to 23 (hour)
0 to 9
Monitor value
8 2 1 5
01 to 31 (day)
[Md.6]
Start
Minute:
second
The starting time (Minute:
second) is stored.
Refresh cycle: At start
Monitoring is carried out with a hexadecimal display.
0 to 5
00 to 59 (second)
0
b15 b12
1 0 0 1 0 0 1 0 0 0 0 0 1 1 1
b8 b4 b0
9 0 7 4
Buffer memory (stored with BCD code)
0 to 5 0 to 9
00 to 59 (minute)
0 to 9
Monitor value
9 4 0 7
[Md.7]
Error
judgment
[Storage details] This area stores the following results of the error judgment performed
upon starting:

Warning flag
BUSY start
Control mode switching during BUSY
Control mode switching during zero speed OFF
Outside control mode range
Control mode switching

Error flag

Error code
Refresh cycle: At start
[Reading the monitor value]
Monitoring is carried out with a hexadecimal display.
b15 b12 b8 b4 b0
A B C D
B
a C
D
Buffer memory
Monitor value
D C B A
Error flag OFF
Stored contents
Storage value
0
1
Error flag ON
Error flag Error code
Convert the hexadecimal value "a, B, C, D" into a decimal value and
match it with Section "16.4 List of errors".
Warning flag
Warning OFF
Stored contents
Storage value
0
1
Warning ON
[Md.8]
Start history
pointer
Indicates a pointer No. that is
next to the pointer No. assigned
to the latest of the existing
starting history records.
Refresh cycle: At start
Monitoring is carried out with a decimal display.
Monitor value
Storage value (Pointer number)
0 to 15
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.