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14
Appendix
14.1
Oil Condition Conversion Chart
Oil condition is output as a Loss Factor Percentage and the output is linearly scaled between
-20% (4mA) and +60% (20mA). The Loss Factor Percentage can easily be converted to the TDN
scale using the following table.
(NOTE: The colour scales and alert levels used are set for a
typical diesel engine setup.)
4-20mA
Loss Factor
TDN
Alarm Setting
4-20mA
Loss Factor
TDN
Alarm Setting
<4
12 mA
020.0 %
0500 TDN
4 mA
-20.0 %
1200 TDN
021.0 %
0480 TDN
-19.0 %
1200 TDN
022.0 %
0460 TDN
-18.0 %
1200 TDN
023.0 %
0440 TDN
-17.0 %
1200 TDN
024.0 %
0420 TDN
Low Warning
-16.0 %
1200 TDN
13 mA
025.0 %
0400 TDN
5 mA
-15.0 %
1200 TDN
026.0 %
0380 TDN
-14.0 %
1180 TDN
027.0 %
0360 TDN
-13.0 %
1160 TDN
028.0 %
0340 TDN
-12.0 %
1140 TDN
High Alarm
029.0 %
0320 TDN
-11.0 %
1120 TDN
14 mA
030.0 %
0300 TDN
Low Alarm
6 mA
-10.0 %
1100 TDN
031.0 %
0280 TDN
-09.0 %
1080 TDN
032.0 %
0260 TDN
-08.0 %
1060 TDN
High Warning
033.0 %
0240 TDN
-07.0 %
1040 TDN
034.0 %
0220 TDN
-06.0 %
1020 TDN
15 mA
035.0 %
0200 TDN
7 mA
-05.0 %
1000 TDN
036.0 %
0180 TDN
-04.0 %
0980 TDN
037.0 %
0160 TDN
-03.0 %
0960 TDN
038.0 %
0140 TDN
-02.0 %
0940 TDN
039.0 %
0120 TDN
-01.0 %
0920 TDN
16 mA
040.0 %
0100 TDN
8 mA
000.0 %
0900 TDN
041.0 %
0080 TDN
001.0 %
0880 TDN
042.0 %
0060 TDN
002.0 %
0860 TDN
043.0 %
0040 TDN
003.0 %
0840 TDN
044.0 %
0020 TDN
004.0 %
0820 TDN
17 mA
045.0 %
0000 TDN
9 mA
005.0 %
0800 TDN
046.0 %
0000 TDN
006.0 %
0780 TDN
047.0 %
0000 TDN
007.0 %
0760 TDN
048.0 %
0000 TDN
008.0 %
0740 TDN
049.0 %
0000 TDN
009.0 %
0720 TDN
18 mA
050.0 %
0000 TDN
10 mA
010.0 %
0700 TDN
051.0 %
0000 TDN
011.0 %
0680 TDN
052.0 %
0000 TDN
012.0 %
0660 TDN
053.0 %
0000 TDN
013.0 %
0640 TDN
054.0 %
0000 TDN
014.0 %
0620 TDN
19 mA
055.0 %
0000 TDN
11 mA
015.0 %
0600 TDN
056.0 %
0000 TDN
016.0 %
0580 TDN
057.0 %
0000 TDN
017.0 %
0560 TDN
058.0 %
0000 TDN
018.0 %
0540 TDN
059.0 %
0000 TDN
019.0 %
0520 TDN
20 mA
060.0 %
0000 TDN
Number Format
Loss Factor = Always 4 characters (including -) to 1
decimal place
TDN = Always 4 digits
Conversion
4-20mA to Loss Factor = (mA - 4) * 5 - 20
4-20mA to TDN = (mA -17) * -100
Содержание OQSExISG2
Страница 1: ...UG OQSxG2 23 0025 OIL QUALITY SENSOR ASSOCIATED ACCESSORIES USER GUIDE...
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Страница 5: ...Page 3 Page Intentionally Blank...
Страница 37: ...Page 35 Figure 19 Connection to other Tan Delta and 3rd Party Products Interfaces...
Страница 38: ...Page 36 Figure 20 ExOQSxG2 Ex Sensor Installation Drawing Rev 2 STAMPED...
Страница 42: ...Page 40 8 Display Express...
Страница 97: ...Page 95 P4 CANL RS485A P5 0V P6 CANH RS485B...