Critical Environment Technologies FCS - Optional Internal Analog Inputs and Analog Outputs (Options -AI and -AO)

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Rev. C | 2021.12 FCS - Installation Manual
5.4 Optional Internal Analog Inputs and Analog Outputs
(Options -AI and -AO))
The FCS does not have any internal analog inputs or analog outputs without the optional -AI
and -AO boards installed. These boards are independent of each other and plug into the main
FCS board.
The Analog Input board (Option –AI) has four analog inputs.
The Analog Output board (Option –AO) has four analog outputs.
The optional boards can be installed in the same FCS in combinations of (each line is
exclusive of the other):
• One –AI board, adding 4 Analog Inputs (Option -AI)
• Two –AI boards, adding 8 Analog Inputs (Option -2AI) (not available with FCS-4)
• One –AO board, adding 4 Analog Outputs (Option -AO)
FCS main board without the optional
Analog Input (-AI) or Analog Output (-AO)
boards installed.