MicroLogix 1000 Controllers

Communication

MicroLogix 1000 controllers provide a built-in RS-232C port. This port can be used for the following types of communication.

Communication	Description
Point-to-point communication	• Supports direct connection of programming and operator interface devices, and supports dial-in remote programming.
DF1 protocol	• Supports DF1 half-duplex slave protocol for connection to a modem in SCADA applications.
DH-485 communication	• Connect to a DH-485 network through an Advanced Interface Converter (1761-NET-AIC). • The DH-485 network may connect up to 32 devices. • The communication port provides for program upload and download.
DeviceNet communication	• Connect to a DeviceNet network of up to 64 devices through a DeviceNet Interface (1761-NET-DNI). • The DeviceNet Interface provides slave I/O and peer-to-peer controller communication.
EtherNet/IP communication	• Connect to an EtherNet/IP network through an EtherNet/IP-to-RS-232-C interface (1761-NET-ENI, 1761-NET-ENIW). • This module supports program monitoring and upload/download, data collection, and controller peer-to-peer communication. • It can also send e-mail messages via SMTP and display status and configuration information through a built-in Internet server.