How to Program a Releasing Zone Appendix A: Releasing Applications
NFS-640 Programming Manual P/N 51333:B 10/03/2003 55
How an Abort Switch Works
The figure below contains an example for configuring an Abort Switch and shows the requirements for
using an Abort Switch for Releasing Zone R05, which are:
• A monitor module is wired to an abort station
• The monitor module is programmed with the Type Code,
ABORT SWITCH
• All initiating devices and outputs are mapped to a common Releasing Zone (R05 shown)
• Releasing Zone R05 is programmed with the releasing functions: Delay, Abort, Cross, and
Soak
When an initiating device activates, you must press and hold the Abort Switch or the control panel will
send the command to dump releasing agents when the Delay time (15 seconds shown) expires. The
Abort selection (ULI, IRI, NYC, or AHJ) determines the function of the Abort Switch.
Figure 5 Example of a Basic Configuration for an Abort Switch
Type Code
RELEASE CKT
Type Code
REL CKT ULC
Type Code
REL AUDIBLE
Type Code
REL END BELL
Releasing Zone R05 sample programming selections
Example: If you program B01-B03 as shown,
these outputs activate at release.
Example: If you
program B04 as
shown, this output
activates when the
release is finished.
Xzonea.cdr
R05
Monitor
Module with
ABORT SWITCH
Type Code
Detector
Detector
Abort station with Abort Switch
and Manual Release lever
B01
B02
B03
B04
SYSTEM
NORMAL
SYSTEM
ACTIVATED
PRG RELEASE FUNCT RELEASE CONTROL
DELAY=15 ABORT=ULI CROSS=N SOK=0000 R05
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