12-13
12.3.4 Recovery Possible Error
These error codes are displayed if an error occurs in the communication control unit.
If one of these errors occurs, the E1 LED on the front panel of the ET-LAN unit flashes.
Code
Name
Description
Step to take
Remark
A001H
UDP check sum
error
The checksum value of the
UDP packet received from the
partner node is erroneous.
Send the data once again
from the partner node.
If any of these
errors occur, the E1
LED on the front
panel of the ET-
LAN unit flashes.
A002H
UDP/IP level
error
Communication processing was
carried out with a different port
number than the one registered
for UDP.
Carry out the
communication processing
with the correct port
number.
A003H
Transmission
error
This error indicates that a
notification was received from
the transmission section of the
unit.
Carry out the transmission
processing again.
A004H
IP processing
error
Error notification was received
from the IP.
Assembly timeout error: During
assembly of the IP split data,
the remaining data was not
received within the allowed time
limit.
Specified IP address does not
exist:
There was no response to an
ARP request for the specified
IP address of the partner node.
Checksum error:
This notification is received if
the IP header checksum value
of an IP packet that has been
received is not correct.
Internal resource error:
This notification is received if
the IP resource is insufficient.
Different IP address was
specified for sub-network
address from that of source
node.
This notification is received if
the IP address specified for the
partner node is different from
that of the source node. This
does not occur if a router
address was specified,
however.
Carry out the transmission
processing again.
If communication cannot
be performed after the
occurrence of error, use
the reset function or turn
the power off and on
again.
Содержание FP2 ET-LAN
Страница 11: ...Chapter 1 Unit Functions and Restrictions ...
Страница 14: ...1 4 1 1 4 Connecting to a Network AFP2790 100BASE TX 10BASE T 10BASE5 AUI AFP27901 ...
Страница 24: ...1 14 ...
Страница 25: ...Chapter 2 Names and Functions of Parts ...
Страница 29: ...Chapter 3 Connection for LAN Cable ...
Страница 37: ...Chapter 4 Confirming the Design Contents ...
Страница 49: ...Chapter 5 Initialization Processing and Termination Processing ...
Страница 51: ...5 3 Operation of the ET LAN unit The relationship between initialization processing and open processing ...
Страница 68: ...5 20 ...
Страница 69: ...Chapter 6 Open Processing and Close Processing ...
Страница 71: ...6 3 Operation of the ET LAN unit The relationship between open processing and close processing ...
Страница 84: ...6 16 ...
Страница 85: ...Chapter 7 Computer Link Function ...
Страница 94: ...7 10 Program example ...
Страница 97: ...7 13 Example of communication data Same hierarchy communication ...
Страница 100: ...7 16 Example of communication data Other hierarchy communication ...
Страница 101: ...7 17 Other hierarchy communication for MEWTOCOL COM ...
Страница 102: ...7 18 ...
Страница 103: ...Chapter 8 Data Transfer Function ...
Страница 111: ...8 9 Program example ...
Страница 114: ...8 12 Example of communication data Same hierarchy communication ...
Страница 117: ...8 15 Example of communication data Other hierarchy communication ...
Страница 119: ...8 17 Other hierarchy communication for MEWTOCOL DAT ...
Страница 120: ...8 18 ...
Страница 121: ...Chapter 9 Transparent Communication Function ...
Страница 137: ...9 17 Program example ...
Страница 140: ...9 20 Reception processing After the following program has been run the received data is read from the receive buffer ...
Страница 141: ...9 21 9 5 3 Sample Program Reception to Transmission Program example for transmitting received data as it is ...
Страница 143: ...Chapter 10 Auto Connection ...
Страница 155: ...10 13 Case 1 Ladder program example ...
Страница 169: ...Chapter 11 E mail Function ...
Страница 200: ...11 32 ...
Страница 201: ...Chapter 12 Error Log Function ...
Страница 203: ...12 3 Latest log block area Log block reading processing area ...
Страница 219: ...Chapter 13 Troubleshooting ...
Страница 224: ...13 6 13 2 4 Troubleshooting Flowchart ...
Страница 225: ...13 7 ...
Страница 229: ...Chapter 14 MEWTOCOL Communication Procedure ...
Страница 241: ...14 13 WD Write data area This writes the contents of the data area To write the contents of DT LD and FL ...
Страница 242: ...14 14 To write to an index register ...
Страница 262: ...14 34 ...
Страница 263: ...Chapter 15 Specifications ...
Страница 292: ...15 30 15 6 ASCII Codes ...
Страница 293: ...15 31 15 7 Dimensions AFP2790 FP2 ET1 AFP27901 FP2 ET2 ...
Страница 294: ......
Страница 295: ...Chapter 16 Sample Program ...
Страница 298: ...16 4 ...
Страница 299: ...16 5 ...
Страница 300: ...16 6 ...
Страница 301: ...16 7 ...
Страница 304: ......
Страница 305: ......