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Chapter 10. Configuring the I/O Driver from FIX/iFIX Applications185
See Also
Specifying Signal Conditioning in Database Manager
S5TI and TBCD Signal Conditioning
Signal conditioning defines how the process database scales incoming data. S5TI
signal conditioning is provided for backwards capability with the S_7 6.x driver.
TBCD signal conditioning is provided for users migrating from the SL4 7.x driver.
Both types of signal conditioning are identical. Use TBCD signal conditioning with
timers.
Parameters for S5TI and TBCD Signal Conditioning
Write
Algorithm
Writes to a 16-bit register using the
same algorithm as 8BN, and returns
a status indicating whether the value
is out of range and in an alarm state,
or OK.
Result = (((InputData –
Lo_egu)/Span_egu) * 255) + 0.5
Write
Algorithm
Variables
Lo_egu – the low engineering value.
Span_egu – the span of the
engineering values.
InputData – the database block’s
current value.
Result – the value sent to the process
hardware.
Description S5 Time to Seconds.
Input Range 0 - 999 (raw value).
Scaling No Scaling.
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