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Rockwell Automation Publication 2080-UM002N-EN-E - November 2022
Chapter 6 Micro870 Controller Distributed Network Protocol
Enable Secure Authentication
The valid selections are Enabled (Checked) and Disabled (Unchecked). Default value is Disabled
(Unchecked).
When the selection is Disabled (Unchecked), the controller disables DNP3 Secure
Authentication subsystem.
When the selection is Enabled (Checked), the controller enables DNP3 Secure Authentication
subsystem.
Secure Authentication Version
This parameter specifies the authentication version that this DNP3 slave controller uses.
Select 2 for Secure Authentication version 2 and select 5 for Secure Authentication version 5.
Default value is 2.
Enable Aggressive Mode in Secure Authentication
The valid selections are Enabled (Checked) and Disabled (Unchecked). Default value is Disabled
(Unchecked).
When the selection is Disabled (Unchecked), the controller disables DNP3 Aggressive Mode in
Secure Authentication subsystem.
When the selection is Enabled (Checked), the controller enables DNP3 Aggressive Mode in
Secure Authentication subsystem.
Critical Function Code in Secure Authentication
This critical function code in the DNP3 Slave configuration page is used to define the list of the
critical function codes in Secure Authentication. A critical function code should be defined by
clicking the number icon to change it between Critical and Non-critical.
The following table shows the default state of the function codes that are defined in
Connected Components Workbench software.
Function Codes
Function Code
Critical FCs
Function Code
Critical FCs
0 (0x00)
non-critical
20 (0x14)
critical
1 (0x01)
non-critical
21 (0x15)
critical
2 (0x02)
critical
22 (0x16)
non-critical
3 (0x04)
critical
23 (0x17)
non-critical
4 (0x04)
critical
24 (0x18)
critical
5 (0x05)
critical
25 (0x19)
non-critical