Timing Of Generation Of Information By Socket - Toshiba TC-net 100 Instruction Manual

Connecting to the unified controller nv series
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7.1.3 Timing of generation of information by socket

The timing of setting and clearing information by socket when opened as
TCP/IP and closed after data transmission is shown below.
Information by socket
ソケット単位情報
アクティブ(クライアント)
TCP open request
TCP オープン要求
(Command: 35H, kind=1)
(コマンド:35H、kind=1)
socket
<TCP>=1
bind
connect
<AOP>=1,<CON>=1
TCP transmission
TCP 送信要求
(コマンド:37H)
(Command: 37H)
TCP close request
TCP クローズ要求
(Command: 39H)
(コマンド:39H)
shutdown
close
All bits=0
全ビット=0
(Note) When running the controller and then halting it, close is requested by the controller basic
software for the socket used by the controller.
Figure 7-3
Active (client)
Note: The server side makes an open
(注:サーバ側は先にオープン要求を行い、
request first to prepare for the
クライアントからの接続要求に備えます)
connection request from the client.
request
Information by socket and clear timing (1)
Unified Controller nv series TC-net 100 (TN8) Module Operation Manual
7.1 Information by Socket
Passive (server)
パッシブ(サーバ)
TCP open request
TCP オープン要求
(Command: 35H, kind=2)
(コマンド:35H、kind=2)
socket (*1)
<TCP>=1
bind
listen
select
(New socket is generated)
accept
(新しいソケットを生成)
<TCP>=1,<POP>=1,<CON>=1
Note: The socket generated at
(注:*1 にて生成したソケットは
*1 is closed by the instruction
命令語にてcloseされます)
word.
(Data reception)
(データ着信)
<RCV>=1
TCP reception request
TCP 受信要求
(Command: 38H)
(コマンド:38H)
recv
<RCV>=0
Note: RCV is ON when there
(注:RCV は着信データが有る場
is received data and OFF
合に ON、無い場合に OFF)
otherwise.
(Remote close detected)
(リモートクローズ検出)
<RCL>=1,<CON>=0
TCP close request
TCP クローズ要求
(Command: 39H)
(コマンド:39H)
shutdown
close
全ビット=0
61

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