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