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686
Auxiliary Area Allocations by Function
Appendix C
Information on Read Protection Using a Password
Communications
Ethernet Status
Name
Address
Description
Access
Updated
UM Read Protection Flag
A99.00
Indicates whether the entire user program in the PLC is
read-protected.
OFF: UM not read-protected.
ON: UM read-protected.
Read-only
Task Read Protection Flag
A99.01
Indicates whether read protection is set for individual
tasks.
OFF: Tasks not read-protected.
ON: Tasks read-protected.
Read-only
Program Write Protection for
Read Protection
A99.02
Indicates whether the program is write-protected.
OFF: Write-enabled.
ON: Write-protected.
Read-only
Enable/Disable Bit for Pro-
gram Backup
A99.03
Indicates whether creating a backup program file (.OBJ)
is enabled or disabled.
OFF: Enabled.
ON: Disabled.
Read-only
Name
Address
Description
Access
Updated
Link Status Flag
A45.14
ON while a link is established between hubs.
OFF while a link is terminated.
Read-only
IP Address Setting Error
Flag
A46.02
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 when the IP address is normal.
Read-only
IP Address Table Error Flag
A46.03
ON if the IP address table information is incorrect.
OFF when the IP address table is normal.
Read-only
IP Router Table Error Flag
A46.04
ON if the IP router table information is incorrect.
OFF when the IP router table is normal.
Read-only
DNS Server Error Flag
A46.05
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 when DNS server operation is normal.
Read-only
Routing Table Error Flag
A46.06
ON if the routing table information is incorrect.
OFF when the routing table is normal.
Read-only
SNTP Server Error Flag
A46.11
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 when SNTP server operation is normal.
Read-only
Address Disagreement Flag
A46.14
ON if the remote IP address is set to automatic genera-
tion but the local IP address host number and FINS node
address do not agree.
OFF under all other circumstances.
Read-only
FINS/TCP Connection Flag 1 A47.00
Turned ON by the Unit when a connection is established.
Turned OFF by the Unit when the connection is termi-
nated.
Read-only
FINS/TCP Connection Flag 2 A47.01
Turned ON by the Unit when a connection is established.
Turned OFF by the Unit when the connection is termi-
nated.
Read-only
FINS/TCP Connection Flag 3 A47.02
Turned ON by the Unit when a connection is established.
Turned OFF by the Unit when the connection is termi-
nated.
Read-only
Содержание CP1L-EL20DR-D
Страница 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Страница 4: ...iv...
Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Software Licenses and Copyrights 7...
Страница 178: ...144 Connecting the CX Programmer Section 5 1 Click the Connect button to connect and then connection online is completed...
Страница 192: ...158 Trial Operation and Debugging Section 5 3...
Страница 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Страница 666: ...632 Trouble Shooting Section 11 7...
Страница 696: ...662 Standard Models Appendix A...
Страница 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Страница 836: ...802 PLC Setup Appendix G...
Страница 838: ...804 TCP Status Transitions Appendix H...
Страница 840: ...806 Ethernet Network Parameters Appendix I...
Страница 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Страница 844: ...810 Ethernet Specifications Appendix K...
Страница 851: ...Index 817 work words 118 write protection 447...
Страница 852: ...818 Index...
Страница 854: ...820 Revision History...
Страница 855: ......