YDOC ML 17 Series, Manual

Page: 5 / 134

ML-x17 DATA LOGGER MANUAL
Manufacturers of low power instruments page 5
4.12.9 Counter ............................................................................................................................... 42
4.12.10 Quantity ............................................................................................................................... 42
4.12.11 Mean-, Max- and Min Rate ................................................................................................. 42
4.12.12 Activity period ..................................................................................................................... 42
4.13 Digital inputs - Alarm trigger ....................................................................................................... 42
4.13.1 Trigger delay ....................................................................................................................... 43
4.13.2 Register value ..................................................................................................................... 43
4.14 Digital inputs
– Action trigger ...................................................................................................... 43
4.14.1 Trigger mode ...................................................................................................................... 43
4.14.2 Trigger on............................................................................................................................ 43
4.15 Digital inputs - State input / On-time meter................................................................................. 43
4.15.1 Total On-time ...................................................................................................................... 44
4.15.2 Register value ..................................................................................................................... 44
4.15.3 Register reset ..................................................................................................................... 44
4.15.4 Interval On-time .................................................................................................................. 44
4.15.5 Input state ........................................................................................................................... 44
4.16 Network Signal Sensor ............................................................................................................... 44
4.16.1 Independent data log .......................................................................................................... 45
4.16.2 Signal bars .......................................................................................................................... 45
4.16.3 Signal dB/%/indication/bit error rate ................................................................................... 45
4.17 Aggregation Channels ................................................................................................................ 46
4.17.1.1 Average, minimum, maximum, gust, standard deviation & change .......................... 47
4.17.1.2 Percentiles .................................................................................................................. 47
4.18 Calculation Channels .................................................................................................................. 47
4.18.1 Syntax ................................................................................................................................. 49
4.18.2 Functions ............................................................................................................................ 49
4.18.3 Example 1 ........................................................................................................................... 49
4.18.4 Example 2 ........................................................................................................................... 49
4.18.5 Supported mathematical functions with one argument: ..................................................... 50
4.18.5.1 abs(x) .......................................................................................................................... 50
4.18.5.2 sqrt(x) .......................................................................................................................... 50
4.18.5.3 ln(x) ............................................................................................................................. 50
4.18.5.4 exp(x) .......................................................................................................................... 50
4.18.5.5 log(x) ........................................................................................................................... 50
4.18.5.6 sin(radians) ................................................................................................................. 50
4.18.5.7 cos(radians) ................................................................................................................ 50
4.18.5.8 tan(radians) ................................................................................................................. 50
4.18.5.9 asin(x) ......................................................................................................................... 50
4.18.5.10 acos(x) ........................................................................................................................ 50
4.18.5.11 atan(x) ......................................................................................................................... 50
4.18.5.12 torad(degrees) ............................................................................................................ 51
4.18.5.13 todeg(radians) ............................................................................................................. 51
4.18.5.14 floor(x) ......................................................................................................................... 51
4.18.5.15 ceil(x) .......................................................................................................................... 51
4.18.5.16 round(x) ....................................................................................................................... 51
4.18.6 Supported mathematical functions with multiple arguments: ............................................. 51
4.18.6.1 atan2(x;y) .................................................................................................................... 51
4.18.6.2 mod(x;y) ...................................................................................................................... 51
4.18.6.3 pow(x;y) ...................................................................................................................... 51
4.18.6.4 clip(x;min;max) ............................................................................................................ 51
4.18.7 Supported comparisons with 2 arguments: ........................................................................ 51
4.18.7.1 lt(x;y) ........................................................................................................................... 51
4.18.7.2 le(x;y) .......................................................................................................................... 51
4.18.7.3 gt(x;y) .......................................................................................................................... 51
4.18.7.4 ge(x;y) ......................................................................................................................... 51
4.18.8 Supported comparisons with 4 arguments: ........................................................................ 52
4.18.8.1 eq(x;y;q;p) ................................................................................................................... 52