Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Function Files 89
Input/Output Status File
The input/output status (IOS) file is a read-only file in the controller that
contains information on the status of the embedded and local expansion
I/O. The data file is structured as:
Input/Output Status File
Word Description
0 Embedded Module Error Code – Always zero
1…4 Expansion Module Error Code – The word number corresponds to the module’s slot number. Refer to the I/O module’s
documentation for specific information. (MicroLogix 1400)
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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