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Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Allen-Bradley MicroLogix 1100
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Publication 1763-RM001C-EN-P - October 2009
72 Function Files
4 0 ICP – Incoming Command Pending Bit
This bit is set (1) when the controller determines that another device has requested information from this controller.
Once the request has been satisfied, the bit is cleared (0).
1 MRP – Incoming Message Reply Pending Bit
This bit is set (1) when the controller determines that another device has supplied the information requested by a MSG
instruction executed by this controller. When the appropriate MSG instruction is serviced (during end-of-scan, SVC, or
REF), this bit is cleared (0).
2 MCP – Outgoing Message Command Pending Bit
This bit is set (1) when the controller has one or more MSG instructions enabled and in the communication queue. This
bit is cleared (0) when the queue is empty.
3 to 5 Reserved – Always zero
6 HTTP Server Status
This bit is set (1) when the internal web server is enabled. The cleared bit (0) means that the internal web server is
disabled.
7 to 15 Reserved – Always zero
SMTP Client Status
This bit is set (1) when the SMTP client (for email) is enabled. The cleared bit (0) means that the SMTP client is
disabled.
General Channel Status Block
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Allen-Bradley MicroLogix 1100 Specifications

General IconGeneral
Processor32-bit
Programming SoftwareRSLogix 500
MountingDIN rail or panel mount
Power Supply24V DC
TypeCompact PLC
Digital Inputs12
Digital Outputs8
Analog Inputs4 (depending on model)
Analog OutputsOptional with expansion module
Programming LanguageLadder Logic
Operating Temperature0 to 55 °C (32 to 131 °F)
SeriesMicroLogix

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