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Software Section
(7) Status code list
Status code Name
35 (23H)
Transmission interlock error
68 (44H)
Memory address setting error • In the loader communication (client operation) mode, a wrong address is
69 (45H)
Memory size over
160 (A0H)
Message send destination
setting error
162 (A2H)
No response for command
164 (A4H)
Message sending error
177 (B1H)
Parameter error
193 (C1H)
Channel open error
195 (C3H)
Message send error
196 (C4H)
Message receive error
199 (C7H)
Channel forcible close
201 (C9H)
Connection No.
/ Client No. full
* How to handle errors
• When the status code is 177 (B1H):
Correct the setting of the input terminal of the FB in which an error has occurred. Then, turn the request bit to off and then on
again.
• When the status code is other than 177 (B1H):
C_ETHERNET: Close the port and then reopen it by an application (turn "O_EN" of the FB to off and then on again).
R_READ/R_WRITE: Close the port and then reopen it by an application (turn "REQ" of the FB to off and then on again).
Description
• In the loader communication (client operation) mode, the target CPU (server
side) cannot respond because its is in the middle of operation such as
program download.
specified in "REMOTE_VAR" of R_READ/R_WRITE FB.
• In the loader communication (client operation) mode, the total of the address
+ size specified in "REMOTE_VAR" of R_READ/R_WRITE FB exceeds the
valid range.
• In the loader communication (client operation) mode, the CPU No. specified
in "REMOTE_VAR" of R_READ/R_WRITE FB does not exist.
• In the loader communication (client operation) mode, no response is
returned from the target CPU.
• The target station is disconnected.
This error occurs when the request of the FB is set on while the front or left
side Ethernet unit is disconnected,
• In the loader communication (client operation) mode, there are following
setting errors in R_READ/R_WRITE FB.
0 was entered in the "SIZE" terminal.
The address specified in "REMOTE_VAR" is out of range.
An out-of-range value was entered in "VAR_TYPE."
• When using C_ETHERNET FB, the following errors are found.
An abnormal value (such as 0) is set in "IP_ADD."
An abnormal value is set in "MODE."
When Active open mode is selected in TCP/IP communication, the target
station (IP address and port No.) cannot be found on the network.
Connection is not established.
An open request (C_ETHERNET) or open processing (R_READ, R_WRITE)
is failed.
• No data can be sent to the target station.
• No ACK is returned from the target station after data is sent.
• Other transmission errors on the network
A send request (C_ETHERNET) or send processing (R_READ, R_WRITE) is
failed.
• No data can be received normally from the target station.
When in the client mode (when using R_READ or R_WRITE), no response is
returned from the target station (server) within three seconds after sending a
loader command.
• A close request is received from the target station.
In this case, close the corresponding port once by an application, and then
re-execute the open processing. (Turn "O_EN" of the FB to off and then on
again.)
• Ports exceeding the maximum openable number (eight) were attempted to
be opened.
S-17
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