8. MICROCOMPUTER MODE
Device
CPU
Type
Special
relay (M)
875F
Timer (T)
contact
879F
Counter
87C0
A3H
(C)
A3M
contact
87DF
9C00
Timer (T)
coil
9C1F
9C40
Counter
(C) coil
9C5F
Address
8740
M9000
H
to
to
9255
H
• Stores device ON/OFF data in one bit locations.
8780
H
• 0 indicates OFF and 1 ON.
to
T0 to 255
H
H
to
C0 to 255
8400
H
8402
8404
H
T0 to 255
to
H
H
to
C0 to 255
H
Example:
M0 to 47 are as follows:
Odd address
H
H
H
• Stores PC operation results and
allows read/write.
8 − 13
Configuration
Even address
MELSEC-A