Smoke Control Programs
5-20 Infinity Smoke Control Guide
TOC
Goto Done
Endif
If TS > Timeout then Goto Found_Problem
Found_Problem:
Status2 = On
Goto Close_Comm1
Close_Comm1:
Result = Close(COMM1)
Test_Close:
If Result = Success then Goto Done
If TS > Timeout then Goto Done
Done:
FSCSLinkActive = False
File Explanation:
This program communicates with the ADI FSCS panel using the
Andover Data Interface protocol. Refer to Appendix C for a complete
discussion of the FSCS communications protocol.
The sequence of operations are as follows:
• Open the Comm port to the FSCS (COMM1)
• Send the command for the FSCS to print out the Switch status data
• Read the switch data into the InBuffer string
• Call the DecodeSwitches function
• Print the string OutputLampString to COMM1 in order to set the
LEDs on the FSCS
• Set the numeric FSCSLinkActive to FALSE
If any of the Comm port statements, such as Open or Read, are not
successful, then the program will turn ON the Status2 indicator on the
CX9200 and Close the Comm port. If any of the Print statements are not
completed within 5 seconds (Timeout+1), then the program will turn ON
the Status2 indicator on the CX9200 and Close the Comm port. The
Status2 indicator signals an FSCS communications fault.
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