Manual

1 Publication 1764-UM001B-EN-P - April 2002

Chapter

Communication Connections

This chapter describes how to set up communications for your control

system. The method you use and cabling required depend on your

application. This chapter also describes how the controller establishes

communication with the appropriate network. Topics include:

• Default Communication Configuration

• Communications Toggle Push Button

• Connecting to the RS-232 Port

• Connecting to a DH-485 Network

• Connecting to DeviceNet

• Connecting to Ethernet

Default Communication

Configuration

The MicroLogix 1500 has the following default communication

configuration.

ATTENTION

All devices communicating within a network, must

use the same protocol.

Table 4.1 DF1 Full-Duplex Configuration Parameters

Parameter Default

Baud Rate 19.2K

Parity none

Source ID (Node Address) 1

Control Line no handshaking

Error Detection CRC

Embedded Responses auto detect

Duplicate Packet (Message) Detect enabled

ACK Timeout 50 counts

NAK retries 3 retries

ENQ retries 3 retries

Stop Bits 1