Allen-Bradley MicroLogix 1200 Reference Manual page 367

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