Allen-Bradley micrologix 1500 Reference Manual

Publication 1762-RM001C-EN-P
C-20 System Status File
OS Catalog Number
This register identifies the Catalog Number for the Operating System in
the controller.
OS Series
This register identifies the Series letter for the Operating System in the
controller.
OS FRN
This register identifies the FRN of the Operating System in the controller.
Processor Catalog Number
This register identifies the Catalog Number for the processor.
Processor Series
This register identifies the Series of the processor.
Processor Revision
This register identifies the revision (Boot FRN) of the processor.
Address Data Format Range Type User Program Access
S:57 word 0 to 32,767 status read only
Address Data Format Range Type User Program Access
S:58 ASCII A to Z status read only
Address Data Format Range Type User Program Access
S:59 word 0 to 32,767 status read only
Address Data Format Range Type User Program Access
S:60 ASCII “A” to “ZZ” status read only
Address Data Format Range Type User Program Access
S:61 ASCII A to Z status read only
Address Data Format Range Type User Program Access
S:62 word 0 to 32,767 status read only

Allen-Bradley micrologix 1500 Specifications

General

Processor Type	16-bit
Programming Language	Ladder Logic
Mounting	DIN rail or panel mount
Programming Software	RSLogix 500
Communication Ports	RS-232
Power Supply	24V DC
Operating Temperature	0°C to 55°C (32°F to 131°F)
Controller Type	Programmable Logic Controller (PLC)