192
Socket Services
Section 6-6
6-6-2
Procedure for Using Socket Service Functions
Procedure for Using Socket Service Functions
Precautions
A Socket Service Parameter Area cannot be used for other sockets once
open processing has been successfully completed for it. Check the socket
status before attempting to open a socket. TCP socket status is provided in
words m+4 to m+6 in the DM Area for sockets 1 to 3.
Note
When a send or receive request is made, the data will be automatically sent or
received according to the send/receive data address in the Socket Service
Parameter Area. When processing has been completed, a response code will
be automatically stored in the Socket Service Parameters.
1. Make the basic settings.
Refer to 6-4-3
Basic Settings
.
㩷
2. Use the CX-Programmer or Programming Console to make the socket
service settings in the socket service parameter areas 1 to 3 (m+8 to m+37)
allocated in the DM Area.
Note
The first word m in the allocated DM Area = D32400
㩷
㪊㪅㩷
Select
Transfer to PLC
from the Options Menu, and then click the
Yes
button. The Setup data in the allocated DM Area will be transferred to the
CPU Unit.
㩷
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: ......