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Multiplexer Block; Configuration Parameters - Siemens FEC920 User Manual

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6.14

Multiplexer block

This 'Toolkit' option block selects one of eight analog inputs to appear at its output.

6.14.1 Configuration parameters

High Limit
Low Limit
Fallback Strategy
Fallback Value
Input Selector
Input 1 to 8
PV Out
Status
Resolution
September 18
FEC920: USER GUIDE
High Limit
Low Limit
Fall Back Strategy
Fall Back Value
Input Selector
Resolution
Figure 95 Multiplexer block configuration
The high limit for input, output and fallback values. Minimum value is Low Limit.
The low limit for input and fallback values. Maximum value is High Limit.
Clip Bad: If the input value is above 'High Limit' or below 'Low Limit', then the output value
is set to the appropriate limit, and the status is set to 'Bad'. If the input signal is within the
limits, but its status is bad, the output is set to the Fallback value.
Clip Good: If the input value is above 'High Limit' or below 'Low Limit', then the output
value is set to the appropriate limit, and the status is set to 'Good'. If the input signal is
within the limits, but its status is bad, the output is set to the Fallback value.
Fall Bad: If the input value is above 'High Limit' or below 'Low Limit', then the output value
is set to the Fallback value, and the status is set to 'Bad'
Fall Good: If the input value is above 'High Limit' or below 'Low Limit', then the output
value is set to the Fallback value, and the status is set to 'Good'
Upscale: If the input status is bad, or if the input signal is above 'High Limit' or below 'Low
Limit', the output value is set to the High limit.
Downscale: If the input status is bad, or if the input signal is above 'High Limit' or below
'Low Limit', the output value is set to the Low limit.
The value to be adopted by the output, under error conditions, if 'Fallback Status' is set to
'Fall Good' or 'Fall Bad'.
Selects which of the eight inputs is presented at the output. When wired to a suitable
parameter, Input Selector becomes read only. Input 1 is selected for an Input Selector
value of 1, Input 2 for a value of 2 and so on. Input Selector values greater than 8 are
ignored. If not wired, the user may select the required input using the scroll keys.
Wired to the relevant analog inputs.
The output from the multiplexer block.
Indicates the status of the operation as 'Ok' or 'Error'.
The number of decimal places for the output value (maximum = 6).
A5E45696052A Rev-AA
Multiplexer.1
100000000.0
-100000000.0
Clip bad
0.0
Input 1
Input 1
0.0
Input 2
0.0
Input 3
0.0
Input 8
0.0
PV Out
0
Status
Ok
0
Page 107

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