Ethernet Units Operation Manual

72
CIO Area Allocations Section 4-3
Note A transceiver is built into the CS1W-ETN11 and CJ1W-ETN11. If this bit turns
ON, the Ethernet Unit has malfunctioned.
Socket Service Request
Switches 1 to 8 (CPU Unit
to Ethernet Unit)
When a socket service request is executed by control switch manipulation, it
is the following bits that are manipulated. For details, refer to 6-2 Using Socket
Services with Socket Service Request Switches.
UDP Open Request Switch
TCP Passive Open Request Switch
TCP Active Open Request Switch
Send Request Switch
Receive Request Switch
Close Request Switch
7 6 5 4 3 2 1 0
n+19 to n+22
15 14 13 12 11 10 9 8
Bit Switch Status Manipulated
by
Unit operation Page
8 0 UDP Open Request
Switch
ON User UDP socket opened when switch is turned ON. 117 to
122
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 processing 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.) --- --- --- ---
15 7 (Not used.) --- --- --- ---