Reply timeout (x100 ms) in secure authentication, Maximum error count in secure authentication, Hmac algorithm in secure authentication – Rockwell Automation 1766-Lxxxx MicroLogix 1400 Programmable Controllers User Manual User Manual
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Rockwell Automation Publication 1766-UM001H-EN-P - May 2014
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MicroLogix 1400 Distributed Network Protocol (DNP3) Appendix F
Reply Timeout (x100 ms) in Secure Authentication
This parameter is supported only in MicroLogix 1400 Series B controllers.
This parameter is used for configuring the reply timeout in 100 msec.
The valid range is 0…1200 (120 s). Default value is 20 (2 s).
Maximum Error Count in Secure Authentication
This parameter is supported only in MicroLogix 1400 Series B controllers.
This parameter is used for configuring the maximum error count.
The valid range is 0…10. Default value is 2.
HMAC Algorithm in Secure Authentication
This parameter is supported only in MicroLogix 1400 Series B controllers.
This parameter is used for configuring the HMAC Algorithm.
• 1 = HMAC SHA-1 truncated to 4 octets (serial)
• 2 = HMAC SHA-1 truncated to 10 octets (networked)
• 3 = HMAC SHA-256 truncated to 8 octets (serial)
• 4 = HMAC SHA-256 truncated to 16 octets (networked)
The valid range is 1…4. Default value is 2.
User Info Config File Number in Secure Authentication
This parameter is supported only in MicroLogix 1400 Series B controllers.
This file number is used to define user information Secure Authentication.
The value of this parameter is N file only. Valid range is 0, 7, 9…255. Default
value is 0.