Smoke Control Programs
5-18 Infinity Smoke Control Guide
TOC
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Switch 59 --> Main.Key (MASTER KEY keyswitch)
The first three digits in the InBuffer string represent the address of the
first switch. In this case, we are only using one input card, therefore this
will always be “000” for Switch 0. If we had two input cards, the string
from the second card would begin with “080” for Switch 80. A typical
string would have 83 characters and look like the following:
InBuffer = “(000AARARRRRARARRARAAA...RAARRRR)”
Wherever there is an “A” in the string the Switch has been activated, and
wherever there is an “R” the Switch is released.
Also notice that some of the variables will not be turned on if
MAIN.KEY is not ON. This prevents the FSCS overrides from being
used unless the Master Key is turned ON. The Zoned Wiring inputs from
the Fire Panel (if used), and the MAIN.KEY input MUST be updated
even if the Master Key is turned OFF.
Refer to Appendix C for a complete discussion of the FSCS
communications protocol.
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