User`s manual

238
(3) Buffer memory to use
Read/write from programmable controller CPU
: Always performed, : Performed as required, : Unnecessary
(a) Registration data byte count designation area (Addresses: 5H, 1B00H, 1B29H,...,
1FCEH)
• Indicates the total number of bytes of register data of the user frame to be registered/read.
• Flash ROM access: During the register operation, the user registers the total number of bytes of register
data. During the read operation, the total number of bytes of registered data is stored.
• Buffer memory access: During the register operation, the user registers the total number of bytes of
register data.
Address
(Hexadecimal
(decimal))
Name Stored value
Processing
Regist
er
Read Delete
2H (2)
Flash ROM
access
Register/read/delete direction
0: No request
1: Register request
2: Read request
3: Delete request

3H (3) Frame No. direction
0: No frame No.
1000 to 1199 (3E8H to 4AFH)
: Register/read/delete frame No.
4H (4) Register/read/delete result storage
0: Normal completion
One or higher: Abnormal completion (error
code)
5H (5)
Write data byte count designation
( Page 238, Section 9.4 (3) (a))
0: Delete
1 to 80 (1H to C8H)
: Register data byte count

6H (6)
User frame
( Page 239, Section 9.4 (3) (b))
Data code of frame to be registered/deleted
2DH (45)
204H (516) Number of registered user frame storage
0: Not registered to Flash ROM
1 to 200 (1H to C8H)
: Number registered to Flash ROM

205H (517)
User frame registration status storage
( Page 239, Section 9.4 (3) (c))
(For registration No. check)
0: Given range not registered
One or higher: Registration status

21DH (541)
21EH (542)
Number of registered default registration frames storage (OS
ROM)
n: Registration count ( Page 230,
Section 9.1.2)
1B00H (6912)
Registration
No.8001H
Register data byte count designation
(Register data byte count designation: 
Page 238, Section 9.4 (3) (a))
1 to 80 (1H to C8H)
: Register data byte count
(User frame storage.  Page 239,
Section 9.4 (3) (b))
Register frame data code

1B01H (6913)
User frame storage
*40 words

1B28H (6952)
1B29H (6953)
Registration
No.8002H
Register data byte count designation
1B2AH (6954)
User frame storage
*40 words

1B51H (6993)
1B52H (6994)
to
1FCDH (8141)
1FCEH (8142)
Registration
No.80F1H
Register data byte count designation
1FCFH (8143)
User frame storage
*40 words

1FF6H (8182) * Register area for 31 frames