
User's Manual iMT440 Measuring transducer
Security....................................................................................................................................21
Password-Level 0 >PL0) ..............................................................................................................21
Password-Level 1 >PL1) ..............................................................................................................21
Password-Level 2 >PL2) ..............................................................................................................21
A Backup Password->BP)............................................................................................................21
Password locks time >min).........................................................................................................22
Password setting ........................................................................................................................22
Password modification ...............................................................................................................22
Password disabling .....................................................................................................................22
Energy .....................................................................................................................................22
Active tariff .................................................................................................................................22
Common energy exponent.........................................................................................................22
Counter divider...........................................................................................................................22
Inputs and outputs..................................................................................................................23
Analogue output module............................................................................................................23
Fast analogue output module ....................................................................................................24
Relay output module ..................................................................................................................25
Alarms .....................................................................................................................................26
Alarms setting.............................................................................................................................26
Reset........................................................................................................................................26
Reset energy counters (E1, E2, E3, E4).......................................................................................26
Reset MD values.........................................................................................................................26
Reset the last MD period............................................................................................................26
Reset Min / Max values ..............................................................................................................26
Reset alarm output.....................................................................................................................26
MEASUREMENTS .........................................................................................................27
Measurements (online)...........................................................................................................27
Daily energy consumption profile ..............................................................................................27
Available connections .............................................................................................................28
Survey of supported measurements regarding connection mode.........................................29
Explanation of basic concepts.................................................................................................31
Sample factor Mv .......................................................................................................................31
Average interval Mp ...................................................................................................................31
Power & energy flow ..................................................................................................................31
Calculation and display of measurements..............................................................................31
Present values.........................................................................................................................32
Voltage........................................................................................................................................32
Current .......................................................................................................................................32
Active, reactive and apparent power .........................................................................................32
Power factor and power angle ...................................................................................................33
Frequency...................................................................................................................................33
Energy counters..........................................................................................................................33
MD values...................................................................................................................................34
THD − Total harmonic distortion ................................................................................................34
TEHNICAL DATA...........................................................................................................35
Accuracy..................................................................................................................................35
Inputs ......................................................................................................................................36
Connection..............................................................................................................................36
I/O modules.............................................................................................................................37
Communication.......................................................................................................................38
Electronic features..................................................................................................................38
Safety features ........................................................................................................................38
Mechanical..............................................................................................................................39