ESC
FLOAT
LEVEL SENSOR DATA
REF
1F341
192B8
06089
DIFF
VOLUME 00445
APP
3CF40
00000
3CF40
20000
ESC
FLOAT
LEVEL SENSOR DATA
REF
9
XXX
- 15
XXX
18
XXX
- 1A
XXX
DIFF
VOLUME
APP
22
XXX
– 38
XXX
3C
XXX
– 41
XXX
Figure 3. Expected Value Range for Magnets
Figure 4. Magnet Failed
Figure 5 shows the decimal equivalents for hexadecimal values. The technician
only needs to verify that the magnet is
within range
of the expected value. For
instance, the small canister reference magnet should be between 18xxx and 1Axxx.
Hexadecimal is simply a base 16 number system ranging from 0 – F. By looking at
figure 5 we can see that “A” is bigger than “8”. Our actual returned value from figure 4
for the reference magnet was
192B8 (see figure 4)
. The last 3 figures can be ignored
since we only need to verify the range. We can see that 19xxx can be considered a
good response, as it falls within the expected range of 18xxx and 1Axxx.
DEC HEX
DEC
HEX
DEC HEX
1 1
11 B 30 1E
2 2
12 C 40 28
3 3
13 D 50 32
4 4
14 E 60 3C
5 5
15 F 70 46
6 6
16 10 80 50
7 7
17 11 90 5A
8 8
18 12 100 64
9 9
19 13 500 1F4
10 A 20 14 1000
3E8
Figure 5. Hexadecimal to Decimal Conversion
It is important to note that while the large canister reference magnet displays all
zeros, we can not automatically assume that it failed. From our previous explanation,
we know that this result means
one
of the magnets did not respond. The software
simply places the three responses in order. When the fourth response does not come
back, it assumes the fourth magnet is missing. In the case of figure 4, we should look at
the values that were returned to determine which magnet is actually missing.
6-37
Summary of Contents for 0702-002-620
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Page 22: ...Chapter 1 Operational Description...
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Page 28: ...Chapter 2 Ultra Rover Disassembly...
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Page 31: ...4 Remove front cover assembly P N 0702 001 070 CH and place aside 2 2...
Page 37: ...4 Remove front cover assembly P N 0702 001 070 CH and place aside 2 8...
Page 42: ...4 Remove front cover assembly P N 0702 001 070 CH and place aside 2 13...
Page 49: ...4 Remove front cover assembly P N 0702 001 070 CH and place aside 2 20...
Page 81: ...4 Remove front cover assembly P N 0702 001 070 CH and place aside 2 52...
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Page 106: ...Chapter 4 Docker Disassembly...
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Page 134: ...Chapter 5 Troubleshooting...
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Page 168: ...6 33 Chapter 6 Technical Procedures...
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Page 220: ...Chapter 7 Installation...
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Page 228: ...Chapter 8 Appendices...
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