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Rockwell Automation Publication 2080-UM002N-EN-E - November 2022
Chapter 6 Micro870 Controller Distributed Network Protocol
When the Descriptor Code is selected as PTYP, the Point Addressing parameters for the
Descriptor element are replaced by 10 Point Addressing parameters. These should be
configured in the same order of the DAEL elements in the relevant Prototypes.
For instance, if Prototype 0 includes a Namespace at Index 3 and Name at Index 4, then the
first DAEL in the Prototype 0 is at Index 5.
Object Quality Flags
The object flag is composed of an 8 bit string for some DNP3 objects. The tables below show
Flag Descriptions for each object. The ONLINE, RESTART, COMM_LOST, REMOTE_FORCED and
LOCAL_FORCED flags are common to all object group types that contain flags.
There are some rules for the Object flag set or clear for each bit by the controller. The rules
below are also applied to Event data.
• When the controller is in Non-executing mode, the object flag is always all 0.
• When the controller is in Executing mode and there is no configuration file, only the
Online flag in the object flag is set.
• When the controller is in Executing mode and there is a configuration file, the flags in
the object flag are set according to the upper byte of the configuration files.