`CommAbbxUsrMsgSend` (FUN)

FUNCTION CommAbbxUsrMsgSend : RTS_IEC_RESULT

Send a user communication message via specified channel

InOut:

Scope	Name	Type	Initial	Comment
Return	`CommAbbxUsrMsgSend`	`RTS_IEC_RESULT`
Input	`hUserCom`	`RTS_IEC_HANDLE`	RTS_INVALID_HANDLE	user communication handle (to be obtained via CommAbbxUsrMsgGet)
	`psMsg`	POINTER TO AC500_NetxBase.CIFX_PACKET	0	message to send
	`ulTimeoutMsec`	`UDINT`	0	timeout in msec (not used currently)

CommAbbxUsrMsgSend (FUN)