Signal Conversion - Emerson 5301HxxxxxxxxxxxxxxZZ Series Reference Manual

Analog-Input Block
April 2019
Figure J-3: Analog Input Function Block Timing Diagram
A. FIELD_VAL
B. PV_FTIME
C. 63% of Change
D. PV
E. OUT (mode in auto)
F. OUT (mode in man)
G. Time (seconds)
J.4

Signal conversion

You can set the signal conversion type with the Linearization Type (L_TYPE) parameter.
You can view the converted signal (in percent of XD_SCALE) through the FIELD_VAL
parameter.
You can choose from direct or indirect signal conversion with the L_TYPE parameter.
* XD_SCALE values
Direct
Direct signal conversion allows the signal to pass through the accessed channel input
value (or the simulated value when simulation is enabled).
Indirect
Indirect signal conversion converts the signal linearly to the accessed channel input value
(or the simulated value when simulation is enabled) from its specified range (XD_SCALE)
to the range and units of the PV and OUT parameters (OUT_SCALE).
462
100 × Channel Value − EU*@0%
FIELD_VAL =
PV = Channel Value
FIELD_VAL
PV = × EU**@100% − EU**@0% + EU**@0%
100
EU*@100% − EU*@0%
Rosemount 5300 Level Transmitter
Reference Manual
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