Omron CS1W-ETN21 User Manual
Page 110
85
CIO Area Allocations
Section 4-1
FINS/TCP Connection
Status
Bit
Switch
Status
Manipulated
by
Unit operation
Reference
8
0
UDP Open Request
Switch
ON
User
UDP socket opened when switch is turned
ON.
Operation Man-
ual, Construc-
tion of
Applications,
SECTION 6
OFF
Unit
Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
9
1
TCP Passive Open
Request Switch
ON
User
Passive TCP socket opened when switch is
turned ON.
OFF
Unit
Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
10
2
TCP Active Open
Request Switch
ON
User
Active TCP socket opened when switch is
turned ON.
OFF
Unit
Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
11
3
Send Request
Switch
ON
User
Send processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF
Unit
Unit turns OFF switch when send processing
has been completed.
12
4
Receive Request
Switch
ON
User
Receive processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF
Unit
Unit turns OFF switch when receive process-
ing has been completed.
13
5
Close Request
Switch
ON
User
Close processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF
Unit
Unit turns OFF switch when close processing
has been completed.
14
6
(Not used.)
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15
7
(Not used.)
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n+23
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0