195
Socket Services
Section 6-6
6-6-5
Auxiliary Area Allocation
The following table and descriptions cover the words and bits in the Auxiliary
Area of PLC memory that are related to the socket services.
Ethernet Status
Address
Bit(s)
Name
Status
Manipulated
by
Unit operation
Access
A45
0 to 13 Reserved
---
---
---
Read only
14
Link Status
Flag
ON
Unit
ON while a link is established between
hub.
OFF
Unit
OFF when the link between hub is termi-
nated.
15
Reserved
---
---
---
A46
0 to 1
Reserved
---
---
---
Read only
2
IP Address
Setting Error
Flag
ON
Unit
ON if any of the following conditions
apply to the IP address.
• All bits in the host ID are 0 or 1.
• All bits in the network ID are 0 or 1.
• All bits in the subnet ID are 1.
• The IP address begins with 127 (0x7F)
OFF
Unit
OFF when the IP address is normal.
3
IP Address
Table Error
Flag
ON
Unit
On if the IP address table information is
incorrect.
OFF
Unit
OFF when the IP address table is nor-
mal.
4
IP Router
Table Error
Flag
ON
Unit
ON if the IP router table information is
incorrect.
OFF
Unit
OFF when the IP address table is nor-
mal.
5
DNS Server
Error Flag
ON
Unit
ON when the following errors occur dur-
ing DNS server operation:
• An illegal server IP address is set.
• A timeout occurs during communica-
tions with the server.
OFF
Unit
OFF when DNS server operation is nor-
mal.
6
Routing
Table Error
Flag
ON
Unit
ON if the routing table information is
incorrect.
OFF
Unit
OFF when the routing table is normal.
7 to 10 Reserved
---
---
---
11
SNTP
Server Error
ON
Unit
ON when the following errors occur dur-
ing SNTP server operation:
• An illegal server IP address or host
name is set.
• A timeout occurs during communica-
tions with the server.
OFF
Unit
OFF when SNTP server operation is nor-
mal.
12 to
13
Reserved
---
---
---
14
Address Dis-
agreement
Flag
ON
Unit
ON if the remote IP address is set to
automatic generation but the local IP
address host number and FINS node
address do not agree.
OFF
Unit
OFF under all other circumstances.
15
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: ......
