Allen-Bradley micrologix 1500 Reference Manual

Publication 1762-RM001C-EN-P
System Status File C-7
The following table shows the Power-Up Mode under various conditions
See also: MB - Mode Behavior on page 3-8.
MicroLogix 1200 Major Error
Halted
Power-Up
Mode Behavior
Mode at Last Power-Down Power-Up Mode
Remote False Last State REM Download, Download, REM Program,
Program or Any Test mode
REM Program
REM Suspend or Suspend REM Suspend
REM Run or Run REM Run
Run Don’t Care REM Run
True Don’t Care Don’t Care REM Program w/Fault
MicroLogix 1500 -
Mode Switch Position
at Power-Up
Major Error
Halted
Power-Up
Mode Behavior
Mode at Last Power-Down Power-Up Mode
Program False Don’t Care Don’t Care Program
True Program w/Fault
Remote False Last State REM Download, Download, REM Program,
Program or Any Test mode
REM Program
REM Suspend or Suspend REM Suspend
REM Run or Run REM Run
Run Don’t Care REM Run
True Don’t Care Don’t Care REM Program w/Fault
Run False Last State REM Suspend or Suspend Suspend
Any Mode except REM Suspend or Suspend Run
Run Don’t Care Run
True Don’t Care Don’t Care
Run w/Fault
(1)
(1) Run w/Fault is a fault condition, just as if the controller were in the Program /w Fault mode (outputs are reset and the controller program is not being executed). However,
the controller enters Run mode as soon as the Major Error Halted flag is cleared.

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)