Allen-Bradley A-B QUALITY DL20 Series User Manual page 110

Chapter 8
Special Functions
8–22
Enable Dynamic Chaining
The prompt for DYNAMIC CHAINING looks like this:
When dynamic chaining is enabled and the DL20 powers up in the run mode,
the DL20 can be controlled using special messages #2, #8, and #9. Up to 20
messages may be repeatedly displayed. Chapter 5 provides a description of
how to use dynamic chaining.
Turn Relay On When Batteries are Low
The prompt for setting the relay looks like this:
If you answer Yes to this prompt, the relay will be energized whenever the
batteries are low and one of the following occurs:
Special message #4 test battery is triggered in the run mode.
Power is cycled or the DL20 is reset.
Internal clock time is 1:01:01
Use the relay to control a remote battery low indicator such as a light.
Note: Batteries are not user-serviceable, the DL20 must be returned for
service.
DYNAMIC CHAINING? N
RELAY FLAGS BAT? N