E_OcaMessageType

Indicates the type of the message

{attribute 'qualified_only'}
TYPE E_OcaMessageType:
(
   OcaCmd:= 0,          // Command - no Response Required
   OcaCmdRrq:= 1,       // Command - Response Required
   OcaNtf:= 2,          // Notification
   OcaRsp:= 3,          // Response (to a command or notification)
   OcaKeepAlive:= 4,    // Keep-alive message used for device supervision.
   Idle:=7
)BYTE;
END_TYPE