192 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix F MicroLogix 1400 Distributed Network Protocol
Parity
The selections can be NONE, EVEN, and ODD. Default selection is NONE.
Stop Bits
The selections can be 1, 1.5, and 2.
Default selection is 1.
Enable Master Address Validation
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 which is configured in the Master Node0…Master
Node4. The maximum number of Master Node Addresses for the Master
Address Validation is 5.
Enable Self-Address
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.
Master Node0
This value is used to:
• validate the 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.
Master Node1, Master Node2, Master Node3, Master Node4
The valid range is 0…65519. Default value is 0.
This value is used to check validation for Master node address when Enable
Master Address Validation is Enabled (Checked).
Control
For Channel 0, the selections can be No Handshaking, Half Duplex Modem
(CTS/RTS handshaking) and No Handshaking (DH-485 Network).
Default selection is No Handshaking.
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