57
FINS Commands with Host Link Protocol Section 3-5
SA1 (Source Node Address)
The node address (01 to 7E Hex) of the source is set in hexadecimal.
SA2 (Source Unit Address)
The unit address of the source is set.
SID (Source ID)
Automatically set by the CPU Unit using SEND(090), RECV(098), and
CMND(490).
3-5-7 Response Format Returned by the Host Computer
Responses to FINS commands received by the host computer are returned in
the format shown below.
ICF (Information Control Field)
“C0” (ASCII: 43, 30) will be returned.
RSV (Reserved)
“00” (ASCII: 30, 30) is returned.
GCT (Gateway Count)
“07” (ASCII: 30, 37) is returned.
DNA (Destination Network Address), DA1 (Destination Node Address),
DA2 (Destination Unit Address)
The same contents specified for SNA, SA1, and SA2 in the command that
was received will be returned.
SNA (Source Network Address), SA1 (Source Node Address), SA2
(Source Unit Address)
The same contents specified for DNA, DA1, and DA2 in the command that
was received will be returned.
SID (Source ID)
The SID that was specified in the command that was received will be
returned.
Command Code
The command code that was specified in the command that was received will
be returned.
Note The length of the response cannot exceed 1,115 characters. Create
responses so that the response data without the response code is less than
1,076 characters (538 bytes).
Unit No.
Header
code
FINS command code
Data
(1,076 characters)
Terminator
FINS response code
ICF RSV GCT DNA DA1
DA2 SNA SA1 SA2 SID
FCS
xx
x
x
xx x
x
xx
xxxxxxxx
xx
*
x
x
xxxx
xx
7
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