Rockwell Automation Publication 1766-UM001O-EN-P - September 2021 187
Appendix F
MicroLogix 1400 Distributed Network Protocol
Channel Configuration for
DNP3 Slave
The default communication protocol for the serial ports Channel 0 and
Channel 2 in the MicroLogix 1400 controller is DF1 Full-Duplex. To
communicate with Distributed Network Protocol (DNP3), the channel must be
configured to DNP3 protocol.
The default communication protocol for the Ethernet Channel 1 in the
controller is EtherNet/IP. To communicate with DNP3 over IP protocol in the
MicroLogix 1400 Series B and Series C controller, the channel must be
configured to use the DNP3 protocol.
The MicroLogix 1400 Series A controller supports DNP3 protocol via Channel 0
and/or Channel 2 Serial ports.
The MicroLogix 1400 Series B and Series C controller also supports DNP3 over
IP protocol via Channel 1 Ethernet port.
To program the controller, use RSLogix 500/RSLogix Micro software, version
8.10.00 or later for Series A controller and version 8.30.00 or later for Series B
and Series C controller, and version 11.
Topic Page
Channel Configuration for DNP3 Slave 187
DNP3 Slave Application Layer 209
DNP3 Objects and Controller Data Files 213
DNP3 Device Attribute Object 245
Event Reporting 247
Collision Avoidance 254
Time Synchronization 254
Download a User Program via DNP3 Network 255
Diagnostics 262
Function Codes 271
Implementation Table 273
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