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A-47

Micrologic 6 E-M integrated Power Meter and operating-assistance functions

Display

Micrologic

LCD

FDM121

display

Measurements

Instantaneous rms measurements

Currents (A)

Phase currents and average value

I1, I2, I3 and Iavg = (I1 + I2 + I3) / 3

b

b

Highest current of the 3 phases

Imax of I1, I2, I3

b

b

Ground-fault protection

% Ig (pick-up setting)

b

b

Current unbalance between phases

% Iavg

-

b

Voltages (V)

Phase-to-phase voltages and average value U12, U23, U31 and Uavg = (U12 + U21 + U23) / 3

b

b

Unbalance between phase-to-phase voltages % Uavg

-

b

Phase sequence

1-2-3, 1-3-2

b

-

Frequency (Hz)

Power system

F

b

b

Power

Active (kW), reactive (kVAR), apparent (kVA) P,

Q

, S total and per phase

-

b

Power factor and cos

K

(fundamental)

PF, cos

K

, total and per phase

-

b

Maximeters / minimeters Associated with instantaneous rms

measurements

Reset via Micrologic and the display unit

-

b

Energy metering

Energy

Active (kWh), reactive (kVARh),

apparent (kVAh)

Total since last reset

b

b

Absolute or signed mode

(1)

-

b

'HPDQG DQG PD[LPXP GHPDQG YDOXHV

Demand current (A)

Phases

Present value on the selected window

Maximum demand since last reset

-

-

(2)

(2)

Demand power

Active (kWh), reactive (kVARh), apparent

(kVAh)

Present value on the selected window

Maximum demand since last reset

-

-

(2)

(2)

Calculation window

6OLGLQJ ¿[HG RU FRP V\QFKURQLVHG

Ad

j

ustable from 5 to 60 minutes in 1 minute steps

Absolute or signed mode

(1)

-

-

(2)

(2)

Power quality

Total harmonic distortion

(%)

Of voltage with respect to rms value

THDU,THDV of the Ph-Ph and Ph-N voltage

-

b

Of current with respect to rms value

THDI of the phase current

-

b

Operating

assistance

Personalised alarms

Settings

Up to 10 alarms can be assigned to all measurements and events

-

(2)

as well as to phase lead/lag, four quadrants, phase sequence and thermal image

-

(2)

Time-stamped histories

Trips

last 17

Ir, Isd, Ii, Ig, Iunbal, I

j

am, Iund, Ilong

-

(2)

Alarms

last 10

-

(2)

Operating events

last 10 events and type:

0RGL¿FDWLRQ RI SURWHFWLRQ VHWWLQJ E\ GLDO

-

(2)

Opening of keypad lock

-

(2)

Test via keypad

-

(2)

Test via external tool

-

(2)

Time setting (date and time)

-

(2)

Reset for maximeter/minimeter and energy meter

b

(2)

Time stamping

Presentation

Date and time, text, status

-

(2)

Time-stamped event tables

Protection settings

2QH RI WKH IROORZLQJ VHWWLQJV PRGL¿HG

Ir

tr

Isd tsd Ii

Ig tg

-

(2)

7LPH VWDPSLQJ RI PRGL¿FDWLRQ

'DWH DQG WLPH RI PRGL¿FDWLRQ

-

(2)

Previous value

9DOXH EHIRUH PRGL¿FDWLRQ

-

(2)

Min/Max

Value monitored

I1 I2 I3 U12 U23 U31 f

-

(2)

Time-stamping of min/max value

Date and time of record

-

(2)

Present min/max value

Min/max recorded for the value

-

(2)

Maintenance indicators

Counter

Mechanical cycles

(3)

Assignable to an alarm

-

(2)

Electrical cycles

(3)

Assignable to an alarm

-

(2)

Trips

One per type of trip

-

(2)

Alarms

One for each type of alarm

-

(2)

Hours

Total operating time (hours)

-

(2)

Indicator

Contact wear

%

-

b

/RDG SUR¿OH

Hours at different load levels

% of hours in four current ranges: 0-49 % In, 50-79 %

In, 80-89 % In,

u

90 % In

-

(2)

Thermal image

Stator and rotor

% of permissible temperature rise

-

(2)

(1)

Absolute mode: E absolute = E out + E in; Signed mode: E signed = E out - E in.

(2)

Available via communication system.

(3)

The BSCM module

(page A-27)

is required for these functions.

559E1500.indd

version: 1.0