178
FINS Communications
Section 6-5
6-5-5
Memory Allocations
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 FINS/UDP and FINS/TCP.
Ethernet Status
Address
Bit(s)
Name
Status
Manipulated
by
Unit operation
Access
A45
14
Link Status
Flag
ON
Unit
ON while a link is established between hub
or remote device.
Read only
OFF
Unit
OFF when the link between hub or remote
device is terminated.
A46
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)
Read only
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 normal.
4
IP Router
Table Error
Flag
ON
Unit
ON if the IP router table information is incor-
rect.
OFF
Unit
OFF when the IP address table is normal.
5
DNS Server
Error Flag
ON
Unit
ON when the following errors occur during
DNS server operation:
• An illegal server IP address is set.
• A timeout occurs during communications
with the server.
OFF
Unit
OFF when DNS server operation is normal.
6
Routing
Table Error
Flag
ON
Unit
ON if the routing table information is incor-
rect.
OFF
Unit
OFF when the routing table is normal.
11
SNTP
Server Error
ON
Unit
ON when the following errors occur during
SNTP server operation:
• An illegal server IP address or host name is
set.
• A timeout occurs during communications
with the server.
OFF
Unit
OFF when SNTP server operation is normal.
14
Address Dis-
agreement
Flag
ON
Unit
ON if the remote IP address is set to auto-
matic generation but the local IP address
host number and FINS node address do not
agree
OFF
Unit
OFF under all other circumstances
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: ......