3-11
Equation 6. If one detector in List L26 goes into alarm, SIG1 turns on steady.
This functions as a pre-signal for system operators.
Equation 7. This equation turns off SIG1 and sounds a slow march tone on
SIG2 if either two detectors activate in list L26 or if a pull station activates.
Equation 8. This equation turns SIG2 on steady if any one of the releasing
circuits (NACs) is ON (i.e., it is discharging).
Figure 3-6. Custom Control (Part One)
Continued on next page
Dual Detector, Pre-Signal, and Abort Switch with Delay, Continued
Program Custom Control
Equations (continued)
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