687
Auxiliary Area Allocations by Function
Appendix C
Ethernet Communication Error
Ethernet Service Request
Socket Service
Status of TCP/UDP Sockets 1 to 3
Name
Address
Description
Access
Updated
Ethernet Communication
Error Information
A40 to A44
When an error has occurred, the error code, error con-
tents, and error's time and date are stored in these AR
channels. The most recent error can be stored.
Read-only
Ethernet Communication
Error Flag
A46.15
ON if an Ethernet communication error has occurred.The
detail information is stored in A40 to A44.
Read-only
Ethernet Communication
Error Clear Flag
A500.11
Turn this bit ON to clear Ethernet communication error
(Ethernet communication error flag turns OFF).
Read/write
Name
Address
Description
Access
Updated
Socket Force-close Switch
A566.02
All sockets are forcibly closed when this bit turns ON.
Turned OFF by Unit after sockets are closed.
Read/Write
Automatic Clock
Adjustment Switch
A566.04
The automatic clock adjustment is executed when this bit
turns ON.
Turned OFF by Unit after automatic clock adjustment has
been completed.
Read/Write
Item
TCP/UDP Socket No.1
TCP/UDP Socket No.2
TCP/UDP Socket No.3
Openning Flag
A567.00
A568.00
A569.00
Receiving Flag
A567.01
A568.01
A569.01
Sending Flag
A567.02
A568.02
A569.02
Closing Flag
A567.03
A568.03
A569.03
Data Received Flag
A567.13
A568.13
A569.13
Results Storage Error Flag
A567.14
A568.14
A569.14
TCP/UDP Open Flag
A567.15
A568.15
A569.15
Name
Description
Access
Updated
Openning Flag
ON during open processing. (Turns ON when open request is
received.)
OFF when open processing has been completed.
Read-only
Receiving Flag
ON during receive processing. (Turns ON when receive request is
received.)
OFF when receive processing has been completed.
Read-only
Sending Flag
ON during send processing. (Turns ON when send request is
received.)
OFF when send processing has been completed.
Read-only
Closing Flag
ON during close processing. (Turns ON when close request is
received.)
OFF when close processing has been completed.
Read-only
Data Received Flag
ON when data from a remote node has been received at an open
TCP socket.
OFF when receive processing has been requested for an open
TCP socket.
Read-only
Results Storage Error Flag
ON if there is an error in storing the results when socket services
are used by means of the CMND(490) instruction.
OFF when the next request is received. (Connected by TCP.)
Read-only
TCP/UDP Open Flag
ON when open processing has been completed.
OFF when close processing has been completed. (Stays OFF for
abnormal open processing completion.)
Read-only
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: ......