4 - communication connections, Default communication configuration, Chapter 4 – Rockwell Automation 1764-xxxx MICROLOGIX 1500 PROGRAMMABLE CONTROLLERS User Manual
Page 69: Communication connections, Default communication configuration -1, Chapter
1
Publication 1764-UM001B-EN-P - April 2002
Chapter
4
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 a DH-485 Network
•
•
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
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