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1. Ethernet 4-43
Network Communications
Get Error Contents
int HKEtn_GetLastError()
• Error codes and solutions
Code Contents Solution
−1 Undefined command (receive timeout) Check the command.
−2 Undefined IP address Check the IP address.
−3 Target station busy Reduce the frequency of communications.
−4 Illegal packet bytes Check response processing at the target
station.
−5 Packet bytes exceed the maximum
number.
Reduce the send packet size.
−6 Local mode error Check that the target station is in the RUN
mode.
−7 Preparing for communications Start communications when the target
station is ready.
−8 Communication failure
– Cannot access Check the target station.
−9 Cannot process due to short memory Check the memory space at the target
station.
−10 Illegal received data Check the command.
−20 Socket initialization error Check parameters for initialization.
−50 Requested packet byte exceeds the
maximum number.
Reduce the requested size.
−51 Address error Check the requested memory type.
−52 Communication failure
– Cannot access Check the target station.
−54 Write protected Check write-protection of the card.
−55 Cannot process due to short memory Check the memory space at the target
station.
−56 Sampling buffer error Check the command.
−100 Processing another command Continue retrying.
−101 Command control
– Buffer over Reduce the frequency of communications.
−120 Communications aborted by the user Communications are forcedly aborted.
−121 Received during command processing Reduce the frequency of communications.