Publication 1762-RM001C-EN-P
System Status File C-13
Processor Battery Low (MicroLogix 1500 only)
This bit is set (1) when the battery is low.
See also: RTC Battery Operation on page 3-4.
Input Filter Selection Modified
This bit is set (1) whenever the discrete input filter selection in the control
program is not compatible with the hardware.
ASCII String Manipulation Error
This bit is set (1) whenever an invalid string length occurs. When S:5/15 is
set, the Invalid String Length Error (1F39H) is written to the Major Error
Fault Code word (S:6).
This bit applies to the MicroLogix 1200 and 1500 Series B Controllers.
Major Error Code
This register displays a value which can be used to determine what
caused a fault to occur. See Identifying Controller Faults on page D-1 to
learn more about troubleshooting faults.
Address Data Format Range Type User Program Access
S:5/11 binary 0 or 1 status read only
IMPORTANT
Install a replacement battery immediately. See your
hardware manual for more information.
Address Data Format Range Type User Program Access
S:5/13 binary 0 or 1 status read/write
Address Data Format Range Type User Program Access
S:5/15 binary 0 or 1 status read
Address Data Format Range Type User Program Access
S:6 word 0 to FFFF status read/write
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