Protocol engine input queue - Metasys - LIT-12011034 - General System Information - Metasys System - Release 11.0

MS/TP Communications Bus Technical Bulletin

Brand
Metasys
Product name
Metasys System
Document type
Technical Bulletin
Document number
LIT-12011034
Version
Release 11.0
Revision date
2022-02-07
Language
English

The BACnet Protocol Engine receives messages from external BACnet devices and holds them until the Protocol Engine can process them. If this queue becomes too large, the Protocol Engine is not capable of holding all of the messages in progress, causing some communications to fail.

If the Protocol Engine input queue is critical, BACnet protocol messages received from the IP port are discarded. The IP port counter, Discarded Frames (under the IP Datalink, Diagnostic tab), displays the number of discarded messages.