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AR (Arithmetic) Function Block
General
The AR (Arithmetic) block (Figure 68) contains math functions that are selected by name.
Figure 68
Inputs/Outputs of AR Function Block
The block has five inputs. The first two are dedicated to a range extension function that
results in a PV, with status reflecting the input in use.
The remaining three inputs are combined with the PV in a selection of four term math
functions that have been found useful in a variety of measurements. The inputs used to
form the PV should come from devices with the desired engineering units, so that the PV
enters the equation with the right units. Each of the additional inputs has a bias and gain
constant. The bias can be used to correct for absolute temperature or pressure. The gain
can be used to normalize terms within a square root function. The output also has gain and
bias constants for any further adjustment required.
The AR block is intended for use in calculating measurements from combinations of signals
from sensors. It is not intended to be used in a control path, so it does not support control
status propagation or back calculation. It has no process alarms.
Summary of Contents for FVP110
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Page 97: ...81 Dimensions Standard Specifications Dimensions Figure 46 Single Acting Actuator Dimensions ...
Page 99: ...83 Dimensions Standard Specifications Figure 48 Terminal Configuration ...
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Page 115: ...99 View Object Configuration Table 11 View Object for Transducer Block continued ...
Page 117: ...101 View Object Configuration Table 18 View Object for AO Function Block ...
Page 119: ...103 View Object Configuration Table 20 View Object for OS Function Block ...
Page 121: ...105 View Object Configuration Table 22 View Object for Resource Block ...
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Page 238: ...FVP 110 Fieldbus Valve Positioner Manual 222 GE Energy Table 72 LM Parameter Part List ...
Page 239: ...223 LM Parameter List Link Master Functions ...
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Page 262: ...FVP 110 Fieldbus Valve Positioner Manual 246 GE Energy Table 85 Download Error Codes ...
Page 265: ...249 Comments on System Network Software Download Table 88 DOMAIN_DESCRIPTOR ...
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Page 289: ...273 H Customer Maintenance Parts List ...
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