Mitsubishi MELSEC-A Series Operating Manual page 99

6.6 MONITOR
(M) Mode Operatlow
This mode checks operalions of ACPU programs. The following checks can
be done:
( 1 )
List monitoring
Bit devices
an
be
turned
OW!WF
when displaying sequence programs,
and the suwent value of word devices and conductivity status can be
monitored.
List monitoring example
5 2 m D I
IT
10
1
f -
Display of contact
ON/OFF
u
5 4
K10
Display of a current
value
Display of the conductiv-
ity state of an instruction
(2) Monitoring search
,
OUT, SET, and RST instructions of a corresponding device can be
'
searched by moving the cursor to the contact instruction. Example of
moving the cursor to "LD YOOO", searching "OUT YOOO", and displaying
the corresponding program
Before'executing After executing
:
101bLD
UY
0 0 0
101 OUT
O H
1 0 3
OUT
OH
10
11bOUT
OY
0 0 0
1 2
LO OX
0 0 1
13 OUT
OY
0 0 1
(3) Device monitoring
(a) Monitoring the ON/OFF state and the offline switch state of a bit
Example
of
monitoring a bit Examplg of monitoring by des-
device in units of
I
point ignating multiple bit devices
device
: H
D O O m 81
1
M U
0 0 0
DM01011
m o a umo1
B
0 0 0
1100110
Y
1 0 0
01010011
Offline switch
(b) Monitoring the contact of T/C, the set value, and the current value
T/C monitoring example
c
loom
C l O 1 3 ~ D l O O O 5 0
(c) Monitoring the current value of a word device
Word device monitoring example Monitoring example when a word
device is designated to 32 bits
MbD1000
- 1 2 3 4 5 6 7 8 9 0
:r
010
1 3 3 4 5 6 7
2 0 0 0
6-32