Rockwell Automation Publication 2080-UM002M-EN-E - April 2022 105
Chapter 6 Micro870 Controller Distributed Network Protocol
• IIN2.2: PARAMETER_ERROR. This bit is set when a request with a
qualifier/range field that cannot be processed is received.
• IIN2.3: EVENT_BUFFER_OVERFLOW. This bit is set when an event
buffer overflow condition exists in the controller and at least one
unconfirmed event is lost.
• IIN2.4: ALREADY_EXECUTING. Not supported.
• IIN2.5: CONFIG_CORRUPT. This bit is set when a bad file type and bad
file number are detected.
• IIN2.6: Reserved.
• IIN2.7: Reserved.
DNP3 Objects and Controller
Variables
All of the DNP3 Objects that are supported in the controller are summarized in
Implementation Table for Micro870 controllers
on page 128.
Variables used in DNP3 Objects are not the same as that used in the controller,
but are similar. Mapping is required between variables in DNP3 Objects and
controller variables.
Overview
DNP3 Data objects that are implemented in the controller are listed below:
•DNP3 Binary Input Object
• DNP3 Double Bit Binary Input Object
•DNP3 Binary Output Object
• DNP3 Counter Object
•DNP3 Frozen Counter Object
•DNP3 Analog Input Object
•DNP3 Analog Output Object
•DNP3 BCD Object
• DNP3 Data-Set Object
Some of objects are divided into several Object files to map data in the
controller.
• Counter Object — 16-bit and 32-bit Counter Object
• Analog Input Object — 16-bit and 32-bit Analog Input Object, and Short
Floating Point Analog Input Object.
• Analog Output Object — 16-bit and 32-bit Analog Output Object, and
Short Floating Point Analog Output Object.
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