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4.4 Function Block Specifications for EN311 Control
4
Table 4-3 Detailed Information
Error Code Description
Normal complete 01H
Local station fault 02H The local station is in down mode
Local station standby 03H In standby mode, data transmission was requested.
Timeout 20H Timeout occurred during TCP open/receive processing, or
during UDP receive processing.
Length error 30H Incorrect send data length
Station mode error 40H One of the following requests was issued in a mode other
than standby mode:
a. Parameter setup, b. MAC address setup, c. Reset
MAC/IP not set up 50H Occurs if the MAC address or IP address is not set up.
Transmission
prohibited state
60H • Occurs if a PC link request was issued in run mode in the
message transmission prohibited state.
• Occurs if a socket open, close, send, or receive request
is issued in run mode in the socket interface transmission
prohibited state.
Format error 70H Occurs when there is a format error in the request text.
71H Port number error/IP address error
72H Request code error
73H Time setting: Year
74H Time setting: Month
75H Time setting: Day
76H Time setting: Hour
77H Time setting: Minute
78H Time setting: Second
Already opened 80H Occurs if an open request is issued for an already open
socket.
Unopened 81H • Occurs if send, receive, or close request is issued for an
unopened socket.
• Occurs if transmitted to/received by the socket which has
received a close request from the remote station with the
TCP socket.
Incorrect socket
identifier
82H Occurs if the socket identifier is out of range (1 to 8).
Incorrect control
request specification
83H Occurs if a request that was prohibited by an operating
mode control request is issued.
• Occurs if a run request is issued in run mode.
• Occurs if a standby request is issued in standby mode.
• Occurs if a run request and a standby request are issued
at the same time.
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