User manual
IEC61131 User and Reference Manual
April 22, 2008
550
The Last Message window displays information about the most recent DNP message. The
information is updated each time a new message is received or transmitted. The Last Message
window contains the following information.
Direction displays whether the message was received or transmitted.
Time displays the time at which the message was received or sent.
Port displays which communication port was used for the message.
Source displays the source DNP station address for the message.
Dest displays the destination DNP station address for the message.
Length displays the message length in bytes.
Link Func displays the Link Layer function code.
Appl Func displays the Application Layer function code.
IIN displays the Internal indications received with the last message
The Event Buffers window displays the number of events in each type of event buffer and the
allocated buffer size. The event buffers displayed are:
Binary In (binary inputs)
AIN-16 (16-bit analog inputs)
AIN-32 (32-bit analog inputs)
AIN-Float (floating point analog inputs)
Counter-16 (16-bit counter inputs)
Counter-32 (32-bit counter inputs)
Class 1 (class 1 events)
Class 2 (class 2 events)
Class 3 (class 3 events)