Smoke Control Programs
5-11 Infinity Smoke Control Guide
TOC
OutputLampString
Type:
Function
Description:
Formats the string that is sent to the FSCS in order
to update the LEDs.
Code:
Numeric Loop
String 1 LampState
‘ Insert start parenthesis
LampWriteString = “(”
‘ Fill in lamps 0 to 79
For Loop = 1 to 80
If getname(LampPointMap[Loop][1] ; “ Value”) = On then ~
LampState = “X” Else LampState = “Z”
LampWriteString = left(LampWriteString, Loop) ; LampState
Next Loop
‘ Insert end parenthesis
LampWriteString = left(LampWriteString, 81) ; “)”
Return (LampWriteString)
File Explanation:
This function generates the string (LampWriteString) that must be sent
to the FSCS in order to set all of the LEDs and the Horn. It does this by
reading the “value” of all 80 numerics that are in the data file named
OutputLampString.
If the CX9200 numeric is ON, an “X” is placed in it’s position. If the
numeric is OFF, a “Z” is placed in it’s position. The 1st character
controls LED 0, the 2nd character controls LED 1, and so on. The string
must begin with a parenthesis and end with a parenthesis. A typical string
would have 80 characters and look like the following:
LampWriteString = “(ZZZXXZXZZZZZZZXXZXZ...XZXZZZ)”
Wherever there is an “X” in the string the LED will be ON, and wherever
there is a “Z” the LED will be OFF.
Refer to Appendix C for a complete discussion of the FSCS
communications protocol.
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