Advertisement
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Designated
Item
data
Dummy area
Station No., request
code
Transmission buffer
Control
write data size (byte)
data
Quantity
Access code, attribute (Fixed value)
Buffer memory
address
No. of read points
(word)
Designated
data
The status when the command is completed is stored.
Complete
0
status
Other than 0 : Error completion (error code)
Refer to the CC-Link Master Module User's Manual.
Station No. (designate with high-order bytes (bits 8 to 15))
The station No. of the accessed intelligent device station is stored.
Station No.,
request code
Request code (designate with low-order bytes (bits 0 to 7))
The read request code (10
Read data size
The total No. of bytes of the read data is stored.
(byte)
Read data
The target D75P2 buffer memory data designated with the control data buffer memory
(byte)
address items and No. of read points is stored.
1
*
When reading data from the D75P2 buffer memory using the FROM command,
the control data is designated in the transmission buffer of the corresponding
master module.
Station No. (designate with high-order bytes (bits 8 to 15))
Designate the station No. of the intelligent device station to
be accessed.
Request code (designate with low-order bytes (bits 0 to 7))
Designate the read request code.
(Fixed value)
(Fixed value)
Designate the head address (0
memory.
Designate the data size (No. of words) to be written in so that
the D75P2 buffer memory address 17DD
17DD
(buffer memory address -1) + No. of read points
H
2
*
The same details as the data read from the D75P2 buffer memory with the FROM
command is stored in the reception buffer of the corresponding master module.
: Normal completion
) is stored.
H
Details
–
or higher) of the buffer
H
is not exceeded.
H
Details
6 - 14
MELSEC-A
Setting
Setting
range
side
–
System
0 to 64
User
10
User
H
8
User
1
User
0004
User
H
0
to 17D4
User
H
H
1 to 480
User
Setting
side
System
System
System
System
System
Advertisement
Chapters
Troubleshooting
