Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 267)

Chapter
Call Routines 69–127 13
13 -9
Use CALL 80 to check the module’s battery condition.
Refer to Chapter 3 for information on how to change the battery.
Important: Refer to Guidelines for Handling Lithium Batteries
(publication number AG-5.4 to properly dispose of the
lithium battery.
Input and Output Arguments
This routine has no input arguments and one output argument. The output
argument is the status of the battery:
0 = battery is okay
1 = battery is low
Syntax
CALL 80
POP battery status
Example
>10 CALL 80
>20 POP C
>30 IF C <>0 THEN PRINT “BATTERY LOW”
>40 END
CALL 80: Check Battery
Condition
Chapter