Default Communication Configuration; Communications Toggle Push Button; Connecting To The Rs-232 Port; Connecting To A Dh-485 Network - Allen-Bradley MicroLogix 1500 User Manual

Default Communication
Configuration
1
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
The MicroLogix 1500 has the following default communication configuration.
Table 4.1 DF1 Full-Duplex Configuration Parameters
Parameter
Baud Rate
Parity
Source ID (Node Address)
Control Line
Error Detection
Embedded Responses
Duplicate Packet (Message) Detect
ACK Timeout
NAK retries
ENQ retries
Stop Bits
The default configuration is present when:
NOTE
• The controller is powered-up for the first time.
• The communications toggle push button specifies default
communications (the DCOMM LED is on).
• An OS upgrade is completed.
For more information about communications, see Understanding Communication
Protocols on page E-1.
AB Spares
4
Chapter
Default
19.2K
none
1
no handshaking
CRC
auto detect
enabled
50 counts
3 retries
3 retries
1
Publication 1764-UM001A-US-P