Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
434 Communications Instructions
“Target Device” Parameters
Message Timeout
Message Timeout for any MicroLogix 1400 channel 1 MSG cannot be
modified in the Ethernet Message Setup dialog box. It is assigned by the
processor and is determined by adding the Channel 1 MSG Connection
Timeout to the MSG Reply Timeout, then adding 15 seconds. This value
can be modified by changing one or both of the timeout values in the
channel configuration screen for channel 1. The modified message
timeout applies to all Ethernet MSG instructions.
Routing Information File
The Routing Information (RI) File stores the path for reaching the
destination node. Each RI File Element consists of Sub-Elements 0 through
19 as shown in the following table.
To reach another MicroLogix 1400, an SLC 5/05, a PLC-5E or a controller
connected to Ethernet via a 1761-NET-ENI, simply enter in the destination
IP address.
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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes