6.3 Analogue Input blocks
The FF CP card includes two Analogue Input (AI) blocks.
AI 1 Valve Current Position Output (analogue % value)
The % ‘Open’ value (position) of the valve. The range is 0.0-100.0% and the end
values relate to the close (0%) and open (100%) position limit switches. Actual
resolution is 0.1%.
AI 2 Valve Current Torque / Pressure Output (analogue % value)
IQ3 / IQT3 / SI
3
and CVA only
The instantaneous % torque value throughout the valve stroke. The range is 0-
120%, with a resolution of 1%.
On installing the card, the following settings will apply:
The connections to the Transducer block are fixed and in place.
The Mode control is standard (Auto, Man, OOS).
The Alarms are disabled.
AI 1 is channel number 1 (this must not be changed).
AI 2 is channel number 2 (this must not be changed).
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