YOKOGAWA F3SP71-4S, User Manual

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3-11
IM 34M06P15-03E 2nd Edition: Jan. 31, 2012-00
3.10 Write File Record ($15)
Writes the values to multiple file records.
The amount of devices that can be accessed with a single request is 1 to 122 points.
F030111.VSD
Function
Code
Data
$15
1-byte 1-byte
Length
Data
Reference
No.
$06
1-byte 2-byte
File Nos.
($0000 to $FFFF)
Write Starting Record
Nos.
($0000 to $270F)
2-byte
Sub-request 1
2-byte
Write Record Count
($0000 to $007A)
n1
Data 1 Data n1
2-byte 2-byte
Request Format (Master => Slave)
Data
Reference
No.
$06
1-byte
2-byte
File Nos.
($0000 to $FFFF)
Write Starting Record
Nos.
($0000 to $270F)
2-byte
Sub-request m
2-byte
Write Record Count
($0000 to $007A)
nm
Data 1
Data nm
2-byte 2-byte
(a) Specify the total read points N (n1 + ... + nm) of each sub-request so
that the response PDU (protocol data units) size does not exceed 253
bytes.