Rockwell Automation Publication 2080-UM002M-EN-E - April 2022 83
Chapter 6 Micro870 Controller Distributed Network Protocol
When the selection is Disabled (Unchecked), the controller accepts the
requests from any DNP3 Master.
When the selection is Enabled (Checked), the controller accepts the requests
only from the DNP3 Master Node Address which is configured in the
parameters Master Node0
on page 79, and Master Node1, Master Node2,
Master Node3, Master Node4 on page 79. The maximum number of Master
Node Address for the Master Address Validation is 5.
Enable Self-Address
The valid selections are Enabled (Checked) and Disabled (Unchecked). Default
value is Disabled (Unchecked).
When this bit is Disabled (Unchecked), any packets which contain the
destination address 65532 (FFFCh) are ignored.
When this bit is Enabled (Checked), any packets which contain the destination
address 65532 (FFFCh) are accepted and processed.
Any responses back to the DNP3 Master includes the actual configured DNP3
address of the Micro870 controller.
Enable Access Control
The valid selections are Enabled (Checked) and Disabled (Unchecked). Default
value is Disabled (Unchecked).
When the selection is Disabled (Unchecked), the controller accepts the
requests from any DNP3 Master.
When the selection is Enabled (Checked), the controller accepts the requests
only from the DNP3 Master IP Address which is configured in the parameters
Master IP Address0 to Master IP Address4. The maximum number of Master
IP Address for the Access Control is 5.
End Point Type
The valid selections are Listening, Dual and Datagram Only.
Default is Listening End Point Type.
Master Node0
This value is used to:
• validate Master node address when the Enable Master Address
Validation is Enabled (Checked)
• send Unsolicited Response when Unsolicited Response functionality is
enabled. An Unsolicited Response is sent out to the DNP3 Master having
this address.
The valid range is 0…65519. Default value is 0.
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