Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
Function Files 71
Ethernet
Communications Status
File
The Ethernet Communications Status (ES) File is a read-only file that
contains information on how the controller Ethernet communication
parameters are configured and status information on Ethernet
communications activity.
The Ethernet communications status file uses 178 1-word elements.
The data file is structured as:
The following tables show the details of each block in the Ethernet
Communications Status File.
General Status Block of Ethernet Communications Status File
TIP
You can use the Ethernet Communications Status File
information as a troubleshooting tool for Ethernet
communications issues.
Communications Status File
Word Description Applies to Controller Details
on Page
0 to 119 General Channel Status Block MicroLogix 1100 58
120 to 176 DLL Diagnostic Counters Block MicroLogix 1100 60
177 End of List Category Identifier Code (always 0) MicroLogix 1100 69
General Channel Status Block
Word Bit Description
0 - Communications Channel General Status Information Category Identifier Code (1)
1 - Length: 236
2 - Format Code
3 - Communications Configuration Error Code
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Allen-Bradley MicroLogix 1100 Specifications

General

Processor	32-bit
Programming Software	RSLogix 500
Mounting	DIN rail or panel mount
Power Supply	24V DC
Type	Compact PLC
Digital Inputs	12
Digital Outputs	8
Analog Inputs	4 (depending on model)
Analog Outputs	Optional with expansion module
Programming Language	Ladder Logic
Operating Temperature	0 to 55 °C (32 to 131 °F)
Series	MicroLogix