TEMPERATURE LABEL
----------- -----
LEFT OUTER CELL 176
LEFT INNER CELL 177
RIGHT OUTER CELL 201
RIGHT INNER CELL 202
The overall temperature accuracy in degrees centigrade is as follows:
TEMPERATURE ERROR RANGE ----------------------+85 to +100 -2.1 to +1.5 -40 to +85 -1.5 to +1.5 -45 to -40 -1.5 to +1.8 -60 to -45 -1.5 to +2.4
(c) If the temperature is more than the specified limits for 5 consecutive readings, the related temperature probe is identified as the failed LRU and reported to the CFDS. If the temperature is more than the specified limits, the last good value is used until the probe is declared failed. After this a diode value of 0.43 volts is used to calculate a default value until the temperature becomes valid.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 92 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 E. Input Parameters and BIT Indications
INPUT PARAMETERS --------------------------------------------------------| CH1 FUEL | | FQIS INPUT PARAMETERS | | APR 24 1921 XY-ABCD | | |
1L | LEFT CTR RIGHT | 1R | | 2L | CAD KS 2.127 2.107 2*100 | 2R | DENS 0*0787 0.799 0.801 | | | 3L | CIC K 2.128 2.119 2.134 | 3R | INNTEMP 20C 20C | | | 4L | OUTTEMP XXX 20C | 4R | PITCH ?-0.4 -0.0 0.1 | | | 5L | ROLL ?-0.2 0.1 -0.0 | 5R | | 6L | <RETURN PRINT> | 6R
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NOTE: The "?" shown in Figure 1 represents the source of the attitude information. "A" will be displayed for ADIRS calculated, which is the primary source, and "F" for FQIC calculated, which is the secondary source used only if ADIRS information is unavailable.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 93 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 The table below details the changes made
to input parameters due to failures =============================================================================== | PARAMETER | DISPLAY | | |_________________________________________________________| | | FAULT INDICATION | VALUE UNAVAILABLE | |-------------------|-------------------------------|-------------------------| | Cadensicon | Value failed or cadensicon | Cadensicon capacitance | | Permittivity | not covered. "*" replaces | or oscillator input | | (CAD K) | the decimal point and | failed. X's replace | | | default value of 2.1 is | the value. | | | used. | | |-------------------|-------------------------------|-------------------------| | Cadensicon | Value failed or cadensicon | Oscillator input failed.| | Density | not covered. "*" replaces | X's replace the value. | | (DENS) | the decimal point and | | | | default value of 0787 is | | | | used. | | |-------------------|-------------------------------|-------------------------| | Probe | Value failed or probe not | Probe extension or | | Permittivity | covered. "*" replaces the | oscillator input | | (CIC K) | decimal point and default | failed. X's replace | | | value of 2.1 is used. | the value. | |-------------------|-------------------------------|-------------------------| | Temperatures | Value failed "*" replaces | Temperature diode mode | | (INNTEMP/OUTTEMP) | the "C". Default diode | unavailable. X's | | | voltage of 0.43V is used | replace the value. | | | to calculate. | | |-------------------|-------------------------------|-------------------------|
| Attitudes | ADIRS unavailable and | Default values used: |
| (PITCH/ROLL) | probe value failed. "*" | GND AIR |
| | replaces the decimal point. | Pitch 0 2 |
| | | Roll 0 0 |
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R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 94 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
FIGURE 2 PROBE CAPACITANCES
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| CH1 FUEL |
| FQIS PROBE CAPACITANCES |
| |
1L | 149.2 145.4 122.8 66.2 | 1R
| 129.7 118.4 93.7 84.4 |
| |
2L | 72.7 61.4 38.3 48.4 | 2R
| 54.7 42.2 28.7 201.2 |
| |
3L | 155.5 XXXX 159.0 159.4 | 3R
| 118.9 28.5 199.4 |
| |
4L | 148.6 145.8 122.3 66.4 | 4R
| 129.2 118.6 93.4 84.1 |
| |
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