Rockwell Automation Publication 2080-UM002N-EN-E - November 2022 79
Chapter 6 Micro870 Controller Distributed Network Protocol
Local Port Number (TCP)
This value is used to configure Local TCP Port Number which is used for TCP socket listening.
The valid range is 0…65535. Default value is 20000.
DNP3 Slave Application Layer Configuration Parameters
Channel for Unsolicited Response
Only channels already configured for DNP3 protocol appear in the Channel for Unsolicited
Response dropdown menu. Any and all Unsolicited Responses are transmitted via this selected
channel.
Restore Events After Power Cycle
When the selection is Disabled (Unchecked), DNP3 events which are generated before a power
cycle are flushed after a power cycle. When the option is Enabled (Checked), all DNP3 events
are restored after a power cycle.
Valid selections are Enabled (Checked) and Disabled (Unchecked), with disabled as default
value.
Unsolicited Responses On Start Up
Valid selections are Enabled (Checked) and Disabled (Unchecked). Default value is Disabled
(Unchecked).
When the selection is Disabled (Unchecked), the controller does not send any enabled
Unsolicited Responses after a restart until it has received a FC_ENABLE_UNSOLICITED (20)
command from the DNP3 Master.
When the selection is Enabled (Checked), the controller sends any enabled Unsolicited
Responses after a restart to the DNP3 Master unconditionally.
Unsolicited Responses For Class1
Valid selections are Enabled (Checked) and Disabled (Unchecked). Default value is Disabled
(Unchecked).
When the selection is Disabled (Unchecked), Unsolicited Response is disabled for Class 1
events. To prevent overflowing of the event buffer, DNP3 Master should poll for Class 1 events.
When the selection is Enabled (Checked), Unsolicited Response is enabled for Class 1 events.
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