Anybus CompactCom 40 EtherNet/IP

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Doc.Id. HMSI-27-212

Doc.Rev. 1.5

Command Details: Send

Category

Extended

Details

Command Code.: 17h

Valid for: Instance

Description

This command sends data on a connected socket. Message segmentation may be used to send up to 1472

bytes (see “Message Segmentation” on page 189).

NON-BLOCKING mode:

If there isn’t enough buffer space available in the send buffers, the module will respond with er-

ror code 0006h (EWOULDBLOCK)

BLOCKING mode:

If there isn’t enough buffer space available in the send buffers, the module will block until there

is.

• Command Details

Note: To allow larger amount of data (i.e. >255 bytes) to be sent, the command data may be

segmented (see “Message Segmentation” on page 189).

• Response Details

Field Contents Notes

CmdExt[0] (reserved) (set to zero)

CmdExt[1] Segmentation Control see “Command Segmentation” on page 190

Data[0...n] Data to send -

Field Contents Notes

CmdExt[0] (reserved) (ignore)

CmdExt[1]

Data[0] Number of sent bytes (low) Only valid in the last segment

Data[1] Number of sent bytes (high)

Anybus CompactCom 40 EtherNet/IP - Page 120