198
Socket Services
Section 6-6
Bit
Switch
Status
Manipulated
by
Unit operation
Access
8
0
UDP Open Request
Switch
ON
User
UDP socket opened when switch is turned
ON.
Read/Write
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
Reserved
---
---
---
---
15
7
Reserved
---
---
---
---
Summary of Contents for CP1L-EL20DR-D
Page 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Software Licenses and Copyrights 7...
Page 192: ...158 Trial Operation and Debugging Section 5 3...
Page 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Page 666: ...632 Trouble Shooting Section 11 7...
Page 696: ...662 Standard Models Appendix A...
Page 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Page 836: ...802 PLC Setup Appendix G...
Page 838: ...804 TCP Status Transitions Appendix H...
Page 840: ...806 Ethernet Network Parameters Appendix I...
Page 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Page 844: ...810 Ethernet Specifications Appendix K...
Page 851: ...Index 817 work words 118 write protection 447...
Page 852: ...818 Index...
Page 854: ...820 Revision History...
Page 855: ......