Mitsubishi Electric MELSEC L Series User Manual page 135

(2) System information
No. Name
SD200 Status of switch
SD201 LED status
Operating
SD203
status
SD220
SD221
SD222
SD223
HMI data
SD224
SD225
SD226
SD227
Loaded
SD250
maximum I/O
SD286
SD287
Device
assignment
SD288
SD289
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Meaning
Stores the switch status of the head module.
Head module
0: RUN
switch status
1: STOP/RESET
• Stores the status of each LED of the head module in the following bit pattern.
• 0 = Off, 1 = On, 2 = Flashing
Head module LED
status
1): REM., 2): ERR., 3): D LINK, 4): Empty, 5): RD, 6): SD, 7): MODE, 8): RUN
(While offline, the RD and SD LEDs are always off.)
Stores the operating status of the head module.
1) Operating status
0: RUN, 2: STOP
Operating status
2) Cause of STOP
The latest cause of the change in the operating status is stored.
0: STOP switch
1: Master station STOP
2: Remote operation from GX Works2
4: Error
3) Empty
Stores the ASCII data (16 characters) of the HMI.
HMI data
Loaded maximum
Stores the upper two digits of the last I/O number of the connected module + 1.
I/O number
Number of points
Stores the number of points assigned to M (for extension). The number of points is fixed
assigned to M
to 0.
(for extension)
Number of points
Stores the number of points assigned to B (for extension). The number of points is fixed
assigned to B
to 0.
(for extension)
search engine
Explanation
b15 to b12b11 to b8 b7 to
8) 7) 6) 5) 4)
to to to
b15 b12b11 b8 b7
3) 2)
b15 b8 b7
to
15th character from the right 16th character from the right
SD220
13th character from the right 14th character from the right
SD221
11th character from the right 12th character from the right
SD222
9th character from the right 10th character from the right
SD223
7th character from the right 8th character from the right
SD224
5th character from the right 6th character from the right
SD225
3rd character from the right 4th character from the right
SD226
SD227 1st character from the right 2nd character from the right
b4 b3 to b0
3) 2) 1)
to
b4 b3 b0
1)
b0
to
APPENDICES
A
Set by
(Set timing)
S
(Switch change)
S
(Status change)
S
(Status change)
S
(Change)
S
(Initial)
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