2-785
2 Instruction Descriptions
NJ-series Instructions Reference Manual (W502)
Communications Instructions
2
SktGetTCPStatus
Refer to the NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (Cat. No. W506) for details on
socket services.
• Execution of this instruction is continued until processing is completed even if the value of Execute
changes to FALSE or the execution time exceeds the task period. The value of Done changes to
TRUE when processing is completed. Use this to confirm normal completion of processing.
• Refer to Using this Section on page 2-2 for a timing chart for Execute, Done, Busy, and Error.
• This instruction can be used only for the built-in EtherNet/IP on NJ-series CPU Units.
• This instruction must be used in ST. It cannot be used in a ladder diagram.
• You can execute a maximum of 32 of the following instructions at the same time: SktUDPCreate,
SktUDPRcv, SktUDPSend, SktTCPAccept, SktTCPConnect, SktTCPRcv, SktTCPSend, SktGetTCP-
Status, SktClose, and SktClearBuf.
• An error occurs in the following cases. Error will change to TRUE.
• The value of a member of Socket is outside of the valid range.
• The handle specified by Socket.Handle does not exist.
Refer to the sample programming that is provided for the SktTCPConnect instruction (page 2-770).
Additional Information
Precautions for Correct Use
Sample Programming
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