Allen-Bradley MicroLogix 1400 User Manual

15 Publication 1766-RM001A-EN-P - October 2008
Chapter 1
I/O Configuration
This section discusses the various aspects of Input and Output features of
the MicroLogix 1400 controllers. Each controller comes with a certain
amount of embedded I/O, which is physically located on the controller.
The controller also allows for adding expansion I/O.
This section discusses the following I/O functions:
• Embedded I/O on page 16
• MicroLogix 1400 Expansion I/O on page 17
• MicroLogix 1400 Expansion I/O Memory Mapping on page 18
• I/O Addressing on page 27
• I/O Forcing on page 29
• Input Filtering on page 29
• Latching Inputs on page 33
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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