Micrologic 6

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Measurements and programmable protection

A: ammeter

I1, I2, I3, IN, Iearth-fault, Iearth-leakage and maximeter for thesemeasurements

fault indications

settings in amperes and in seconds

P: A + power meter + programmable protectionmeasurements of V, A, W, VAR, VA, Wh, VARh, VAh, Hz, V peak, Apeak, power factor and

maximeters and minimetersIDMTL long-time protection, minimum and maximum voltage and frequency, voltage and

current imbalance, phase sequence, reverse powerload shedding and reconnection depending on power or currentmeasurements of interrupted currents, differentiated fault indications, maintenance

indications, event histories and time-stamping, etc.

H: P + harmonicspower quality: fundamentals, distortion, amplitude and phase of harmonics up to the 31st

orderwaveform capture after fault, alarm or on request

enhanced alarm programming: thresholds and actions

2.0 A

5.0 A

6.0 A

7.0 A

5.0 P

6.0 P

7.0 P

5.0 H

6.0 H

7.0 H

E46251

E46252

E46255

E46255

E46253

E46256

E46256

E46253

E46256

E46256


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Micrologic 6.0 A

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.4

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short timeI itsd

(s)

on I2t

.2

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instantaneous

long timealarmIr

x In

13

10

ground fault

B

CD

EF

G

H

J

Ig tg(s)

on I2t

.2

.3.4 .4

.1

.2.3

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A

.5

1

24

812

16

20

tr(s)

@ 6 Ir24

setting

x Ir

2

2.53

456

8

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Isd

1.5x In

test

6

3

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kAs

Ir=Ii=

tr=Isd=

Ig=

tsd=t=

tg=

In= MAX

Control unitsMicrologic A "ammeter"

Functionsand characteristics

Protection settings........................................................

Protection thresholds and delays are set using the adjustment dials.

The selected values are momentarily displayed in amperes and in seconds.

Overload protectionTrue rms long-time protection.

Thermal memory: thermal image before and after tripping.Setting accuracy may be enhanced by limiting the setting range using a different

long-time rating plug.

The long-time rating plug "OFF" enables to cancel the overload protection.

Short-circuit protectionShort-time (rms) and instantaneous protection.

Selection of I2t type (ON or OFF) for short-time delay.

Earth fault protectionResidual or source ground return.Selection of I2t type (ON or OFF) for delay.

Residual earth-leakage protection (Vigi).Operation without an external power supply.

Protected against nuisance tripping.k DC-component withstand class A up to 10 A.

Neutral protectionOn three-pole circuit breakers, neutral protection is not possible.

On four-pole circuit breakers, neutral protection may be set using a three-position

switch: neutral unprotected (4P 3d), neutral protection at 0.5 In (4P 3d + N/2),neutral protection at In (4P 4d).

Zone selective interlocking (ZSI)A ZSI terminal block may be used to interconnect a number of control units toprovide total discrimination for short-time and earth-fault protection, without a delay

before tripping.

"Ammeter" measurements ...........................................menu

Micrologic A control units measure the true rms value of currents.

A digital LCD screen continuously displays the most heavily loaded phase (Imax)

or displays the I1, I2, I3, IN, Ig, In, stored-current (maximeter) and setting values bysuccessively pressing the navigation button.

The optional external power supply makes it possible to display currents < 20% In.

Communication option

In conjunction with the COM communication option, the control unit transmits thefollowing:

setting values

all "ammeter" measurementstripping causes

maximeter reset.

1 long-time current setting and tripping delay2 overload signal (LED) at 1.125 Ir3 short-time pick-up and tripping delay4 instantaneous pick-up5 earth-leakage or earth-fault pick-up and tripping delay6 earth-leakage or earth-fault test button7 long-time rating plug screw8 test connector9 lamp test, reset and battery test10 indication of tripping cause11 digital display12 three-phase bargraph and ammeter13 navigation buttons

Micrologic A control units protect powercircuits.

They also offer measurements, display,communication and current maximeters.Version 6 provides earth-fault protection,version 7 provides earth-leakageprotection.

E46028

Note.Micrologic A control units come with a transparent lead-seal cover as standard.


4/1231

0 I

t

Ir

tr

Isd

Protection Micrologic 2.0 Along time

current setting (A) Ir = In x 0.4 0.5 0.6 0.7 0.8 0.9 0.95 0.98 1

tripping between 1.05 and 1.20 x Ir other ranges or disable by changing rating plug

time setting tr (s) 0.5 1 2 4 8 12 16 20 24

time delay (s) accuracy: 0 to -30 % 1.5 x Ir 12.5 25 50 100 200 300 400 500 600

accuracy: 0 to -20 % 6 x Ir 0.7(1) 1 2 4 8 12 16 20 24

accuracy: 0 to -20 %) 7.2 x Ir 0.7(2) 0.69 1.38 2.7 5.5 8.3 11 13.8 16.6

thermal memory 20 minutes before and after tripping

(1)0 to - 40 % -(2)0 to - 60 %

instantaneous

pick-up (A) Isd = Ir x 1.5 2 2.5 3 4 5 6 8 10

accuracy: 10 %

time delay max resettable time: 20 ms ; max break time: 80 ms

Ammeter Micrologic 2.0 Acontinuous current measurements

display from 20 to 200 % of In I1 I2 I3 IN

accuracy: 1.5% (including sensors) no auxiliary source (where I > 20 % In)

maximeters I1 max I2 max I3 max IN max

Protection Micrologic 5.0 / 6.0 / 7.0 Along time Micrologic 5.0 / 6.0 / 7.0 A



time setting tr (s) 0.5 1 2 4 8 12 16 20 24


accuracy: 0 to -20 % 6 x Ir 0.7(1) 1 2 4 8 12 16 20 24

accuracy: 0 to -20 % 7.2 x Ir 0.7(2) 0.69 1.38 2.7 5.5 8.3 11 13.8 16.6


(1)0 to - 40 % -(2)0 to - 60 %

short time

pick-up (A) Isd = Ir x 1.5 2 2.5 3 4 5 6 8 10

accuracy: 10 %time setting tsd (s) settings I2t Off 0 0.1 0.2 0.3 0.4

I2t On - 0.1 0.2 0.3 0.4

time delay (ms) at 10 Ir tsd (max resettable time) 20 80 140 230 350

(I2t off or I2t on) tsd (max break time) 80 140 200 320 500

instantaneous

pick-up (A) Ii = In x 2 3 4 6 8 10 12 15 off

accuracy: 10 %


earth fault Micrologic 6.0 A

pick up (A) Ig = In x A B C D E F G H J

accuracy: 10 % In 400 A 0.3 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

400 A < In 1200 A 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

In > 1200 A 500 640 720 800 880 960 1040 1120 1200

time setting tg (s) settings I2t Off 0 0.1 0.2 0.3 0.4

I2t On - 0.1 0.2 0.3 0.4

time delay (ms) tg (max resettable time) 20 80 140 230 350

at In or 1200 A (I2t off or I2t on) tg (max break time) 80 140 200 320 500

residual earth leakage (Vigi) Micrologic 7.0 A

sensitivity (A) In 0.5 1 2 3 5 7 10 20 30accuracy: 0 to -20 %

time delay t (ms) settings 60 140 230 350 800

t (max resettable time) 60 140 230 350 800

t (max break time) 140 200 320 500 1000

Ammeter Micrologic 5.0 / 6.0 / 7.0 Acontinuous current measurements

display from 20 to 200 % of In I1 I2 I3 IN Ig In

accuracy: 1.5 % (including sensors) no auxiliary source (where I > 20 % In)

maximeters I1 max I2 max I3 max IN max Ig max In max

E46022

Note.All current-based protection functions require no auxiliary source.The test / reset button resets maximeters, clears the tripping indication and tests the battery.

menu

DB100423

0 I

tIn

t

E46243

menu

0 I

t

Ig

tgI2t off

I2t on

E46024


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Micrologic 6.0 P

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(s)

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instantaneous

long timealarmIr

x In

ground fault

B

CD

EFG

H

J

Ig tg(s)

on I2t

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setting

x Ir

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8

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24

812

16

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tr(s)

@ 6 Ir24

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Trip

20 kA

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Control unitsMicrologic P "power"


Micrologic P control units include all thefunctions offered by Micrologic A.

In addition, they measure voltages andcalculate power and energy values.They also offer new protection functionsbased on currents, voltages, frequency andpower reinforce load protection.

Protection settings........................................................ +

The adjustable protection functions are identical to those of Micrologic A

(overloads, short-circuits, earth-fault and earth-leakage protection).

Double settingWithin the range determined by the adjustment dial, fine adjustment of thresholds

(to within one ampere) and time delays (to within one second) is possible on thekeypad or remotely using the COM option.

IDMTL settingCoordination with fuse-type or medium-voltage protection systems is optimised byadjusting the slope of the overload-protection curve. This setting also ensures

better operation of this protection function with certain loads.

Neutral protectionOn three-pole circuit breakers, neutral protection may be set using the keypad or

remotely using the COM option, to one of four positions: neutral unprotected (4P3d), neutral protection at 0.5 In (4P 3d + N/2), neutral protection at In (4P 4d) and

neutral protection at 1,6 In (4P 3d + 1,6N). Neutral protection at 1,6 In is used whenthe neutral conductor is twice the size of the phase conductors (major load

imbalance, high level of third order harmonics).On four-pole circuit breakers, neutral protection may be set using a three-position

switch or the keypad: neutral unprotected (4P 3d), neutral protection at 0.5 In (4P

3d + N/2), neutral protection at In (4P 4d). Neutral protection produces no effect ifthe long-time curve is set to one of the IDMTL protection settings.

Programmable alarms and other protection............................

Depending on the thresholds and time delays set using the keypad or remotely

using the COM option, the Micrologic P control unit monitors currents and voltage,power, frequency and the phase sequence. Each threshold overrun is signalled

remotely via the COM option. Each threshold overrun may be combined with

tripping (protection) or an indication carried out by an optional M2C or M6C

programmable contact (alarm), or both (protection and alarm).

Load shedding and reconnection........................................

Load shedding and reconnection parameters may be set according to the power orthe current flowing through the circuit breaker. Load shedding is carr ied out by a

supervisor via the COM option or by an M2C or M6C programmable contact.

Measurements .......................................................................

The Micrologic P control unit calculates in real time all the electrical values (V, A,W, VAR, VA, Wh, VARh, VAh, Hz), power factors and crest factors.

The Micrologic P control unit also calculates demand current and demand powerover an adjustable time period. Each measurement is associated with a minimeterand a maximeter.

In the event of tripping on a fault, the interrupted current is stored. The optional

external power supply makes it possible to display the value with the circuit breakeropen or not supplied.

Histories and maintenance indicators ................................

The last ten trips and alarms are recorded in two separate history files.Maintenance indications (contact wear, operation cycles, etc.) are recorded for

local access.

Indication option via programmable contacts

The M2C (two contacts) and M6C (six contacts) auxiliary contacts may be used tosignal threshold overruns or status changes. They can be programmed using the

keypad on the Micrologic P control unit or remotely using the COM option.

Communication option (COM)

The communication option may be used to:remotely read and set parameters for the protection functions

transmit all the calculated indicators and measurements

signal the causes of tripping and alarms

consult the history files and the maintenance-indicator register.

maximeter reset.An event log and a maintenance register, stored in control-unit memory but notavailable locally, may be accessed in addition via the COM option.

1 long-time current setting and tripping delay2 overload signal (LED)3 short-time pick-up and tripping delay4 instantaneous pick-up5 earth-leakage or earth-fault pick-up and tripping delay6 earth-leakage or earth-fault test button7 long-time rating plug screw8 test connector9 lamp + battery test and indications reset10 indication of tripping cause11 high-resolution screen12 measurement display13 maintenance indicators14 protection settings15 navigation buttons16 hole for settings lockout pin on cover

E46017

Note.Micrologic P control units come with a non-transparentlead-seal cover as standard.


6/1233

0 I/U/P/F

t

delay

threshold

delay

threshold

0 I

t

Ig

tgI2t off

I2t on

Protection Micrologic 5.0 / 6.0 / 7.0 P +long time (rms) Micrologic 5.0 / 6.0 / 7.0 P



time setting tr (s) 0.5 1 2 4 8 12 16 20 24


accuracy: 0 to -20 % 6 x Ir 0.7(1) 1 2 4 8 12 16 20 24

accuracy: 0 to -20 % 7.2 x Ir 0.7(2) 0.69 1.38 2.7 5.5 8.3 11 13.8 16.6

IDMTL setting curve slope SIT VIT EIT HVFuse DT


(1)0 to- 40 % -(2)0 to - 60 %

short time (rms)

pick-up (A) Isd = Ir x 1.5 2 2.5 3 4 5 6 8 10

accuracy: 10 %

time setting tsd (s) settings I2t Off 0 0.1 0.2 0.3 0.4

I2t On 0.1 0.2 0.3 0.4

time delay (ms) at 10 x Ir tsd(max resettable time) 20 80 140 230 350

(I2t off or I2t on) tsd (max break time) 80 140 200 320 500

instantaneouspick-up (A) Ii = In x 2 3 4 6 8 10 12 15 OFF

accuracy: 10 %


earth fault Micrologic 6.0 P

pick-up (A) Ig = In x A B C D E F G H J

accuracy: 10 % In 400 A 0.3 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

400 A < In 1200 A 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

In > 1200 A 500 640 720 800 880 960 1040 1120 1200

time setting tg (s) settings I2t Off 0 0.1 0.2 0.3 0.4

I2t On 0.1 0.2 0.3 0.4

time delay (ms) tg (max resettable time) 20 80 140 230 350

at In or 1200 A (I2t off or I2t on) tg (max break time) 80 140 200 320 500

residual earth leakage (Vigi) Micrologic 7.0 P

sensitivity (A) In 0.5 1 2 3 5 7 10 20 30

accuracy: 0 to -20 %

time delay t (ms.) settings 60 140 230 350 800

t (max resettable time) 60 140 230 350 800

t (max break time) 140 200 320 500 1000

Alarms and other protection Micrologic 5.0 / 6.0 / 7.0 Pcurrent threshold time delay

current unbalance Iunbalance 0.05 to 0.6 Iaverage 1 to 40 s.

maximum demand current Imax demand: I1, I2, I3, IN 0.2 In to In 15 to 1500 s.

earth fault alarm

It 20 A to 1200 A 1 to 10 s.

voltage

voltage unbalance Uunbalance 0.02 to 0.3 Uaverage 1 to 40 s.

minimum voltage Umin 100 to Umax between phases 1.2 to 5 s.

maximum voltage Umax Umin to 1200 between phases 1.2 to 5 s.

power

reverse power rP 5 to 500 kW 0.2 to 20 s.

frequency

minimum frequency Fmin 45 to Fmax 1.2 to 5 s.

maximum frequency Fmax Fmin to 440 Hz 1.2 to 5 s.

phase sequence

sequence (alarm) 1/2/3 or 1/3/2 0.3 s.

Load shedding and reconnection Micrologic 5.0 / 6.0 / 7.0 Pmeasured value threshold time delay

current I 0.5 to 1 Ir per phases 20% tr to 80% tr.

power P 200 kW to 10 MW 10 to 3600 s.

0

Ir

I

t

tr

Isd

tsd

Ii

IDMTL

E46

021

E46024

E46015

Note.All current-based protection functions require no auxiliary source.Voltage-based protection functions are connected to AC power via a voltage measurement input built into the circuit breaker.

0 I

tIn

t

E46243

0 I/P

t

threshold

delaydelay

threshold

E46016


7/1234

03/08/199912:02:36

Trip

IN = 53A

I3 = 1060A

I2 = 1430A

I1 = 1200A

Ir = 1000A

Triphistory

30/06/1999

03/08/1999

27/07/1999

Ir

Isd

Umax

PdemandeActive P2180 kW

Ractive Q- 650 kVAR

Apparente S2280 kVA

Pdemand

(kW)

(kVAR)

(kVA)

+2180

-650

+2280

P

Q

S

F (Hz)

60.0

Pinst.

(kW)

(kVAR)

(kVA)

+2180

-650

+2280

P

Q

S

U12 = 400VU23 = 404V

U31 = 401V

inst.

U

U1N = 230V

U2N = 229V

U3N = 233V

IN = 200A

I3 = 4000A

I2 = 4600A

I1 = 4800A

instant.Imax

= 13AI

Reset ( + / - )

3850A

N

0

50

100

1 2 3

Control unitsMicrologic P "power"


Navigation from one display to another is intuitive. The six buttons on the keypadprovide access to the menus and easy selection of values. When the setting cover

is closed, the keypad may no longer be used to access the protection settings, but

still provides access to the displays for measurements, histories, indicators, etc.

Measurements .......................................................................

Instantaneous values

The value displayed on the screen is refreshed every second.

Minimum and maximum values of measurements are stored in memory(minimeters and maximeters).

currentsI rms A 1 2 3 N

A e-fault e-leakage

I maxrms A 1 2 3 N

A e-fault e-leakage

voltagesU rms V 12 23 31

V rms V 1N 2N 3N

U average rms V (U12 + U23 + U31) / 3

U unbalance %

power, energyP active, Q reactive, S apparent W, Var, VA totals

E active, E reactive, E apparent Wh, VARh, VAh totals consumed - supplied

totals consumed

totals supplied

power factor PF total

frequenciesF Hz

Demand meteringThe demand is calculated over a fixed or sliding time window that may be

programmed from 5 to 60 minutes. According to the contract signed with the powersupplier, an indicator associated with a load shedding function makes it possible to

avoid or minimise the costs of overrunning the subscribed power. Maximum

demand values are systematically stored and time stamped (maximeter).

currentsI demand A 1 2 3 N

A e-fault e-leakage

I max demand A 1 2 3 N

A e-fault e-leakage

powerP, Q, S demand W, Var, VA totals

P, Q, S max demand W, Var, VA totals

Minimeters and maximetersOnly the current and power maximeters may be displayed on the screen.

Histories .................................................................................

The last ten trips and alarms are recorded in two separate history files that may bedisplayed on the screen.

tripping history:

v type of faultv date and timev values measured at the time of tripping (interrupted current, etc.).alarm history:v type of alarmv date and timev values measured at the time of the alarm.

Maintenance indicators ........................................................A number of maintenance indicators may be called up on the screen:contact wear

operation counter:

v cumulative total

v total since last reset

Default display

Display after trippingDisplay of a tripping history

Display of a maximumcurrent

Display of a frequency Display of a demand power

Display of a powerDisplay of a voltage

E46258

E46261

E46262

E46263

E47305

E46265

E46259

E46260


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With the communication option

Additional measurements, maximeters and minimetersCertain measured or calculated values are only accessible with the COM

communication option:

I peak / , (I1 + I2 + I3)/3, I unbalanceload level in % Ir

total power factor

The maximeters and minimeters are available only via the COM option for use witha supervisor.

Event logAll events are time stamped.

tripsbeginning and end of alarms

modifications to settings and parameterscounter resets

system faults:

fallback positionthermal self-protection

loss of timeoverrun of wear indicatorstest-kit connectionsetc.

Maintenance registerUsed as an aid in troubleshooting and to better plan for device maintenance

operations.

highest current measuredoperation counter

number of test-kit connections

number of trips in operating mode and in test modecontact-wear indicator.

Additional technical characteristicsSetting the display languageSystem messages may be displayed in six different languages. The desired language isselected via the keypad.

Protection functionsAll current-based protection functions require no auxiliary source. Voltage-basedprotection functions are connected to AC power via a voltage measurement input builtinto the circuit breaker.

Measurement functionsMeasurement functions are independent of the protection functions.The high-accuracy measurement module operates independently of the protectionmodule, while remaining synchronised with protection events.

Measurement-calculation modemeasurement functions implement the new "zero blind time" concept which consists incontinuously measuring signals at a high sampling rate. The traditional "blind window"used to process samples no longer exists. This method ensures accurate energycalculations even for highly variable loads (welding machines, robots, etc.).

energies are calculated on the basis of the instantaneous power values, in twomanners:vthe traditional mode where only positive (consumed) energies are consideredvthe signed mode where the positive (consumed) and negative (supplied) energies areconsidered separately.

Accuracy of measurements (including sensors)voltage (V) 1%current (A) 1.5% frequency (Hz) 0.1 Hzpower (W) and energy (Wh) 2.5%

Stored informationThe fine setting adjustments, the last 100 events and the maintenance register remain inthe control-unit memory even when power is lost.

Time-stampingTime-stamping is activated as soon as time is set manually or by a supervisor.No external power supply module is required (max. drift of 1 hour per year).

ResetAn individual reset, via the keypad or remotely, acts on alarms, minimum and maximumdata, peak values, the counters and the indicators.

Display of an event log on a supervisor

E47070

ModuleEventTime

POWERLOGIC System Manager Demo

Ready

File Edit View Setup ToolsControl Display Reports Window Help

ONLINE: DEMO 9:30No working system

5 secondsSampling Mode : MANUAL

04/21/98 08:49:06 Net Server Shutdown User : master Level : 1 PowerLogic Network04/21/98 08:49:01 User Log Out User : master User level : 1 SMS-3000 Client04/21/98 08:48:38 DB Table Change User : master TOD Event Tasks Alarm Setup04/21/98 08:48:30 DB Table Change User : master Tasks Alarm Setup04/21/98 08:46:16 DB Table Change User : master TOD Events Alarm Setup04/21/98 08:39:19 User Log In User : master User level : 1 SMS-3000 Client04/21/98 08:39:06 Security Check Key Status : Key Found PowerLogic Network04/21/98 08:39:06 Net Server Started User : master Level : 1 PowerLogic Network04/21/98 08:38:57 User Log In Event/Alarm/Network04/21/98 08:30:44 Net Server Shutdown User : master Level : 1 PowerLogic Network04/21/98 08:24:31 Security Check Key Status : Key Found PowerLogic Network04/21/98 08:24:30 Net server Started User : master Level : 1 PowerLogic Network04/21/98 08:24:15 User Log IN Event/Alarm/Network04/21/98 08:18:07 IPC Error User : NA Err : 109 SMS-3000 Client04/21/98 07:54:05 DB Table Change User : -1 Logger Template Devices Logger Setup04/21/98 07:53:55 DB Table Change User : -1 Logger Template Topics Logger Setup04/21/98 07:53:54 DB Table Change User : -1 Logger Templates Logger Setup04/21/98 07:51:46 DB Table Change User : master Analog Levels Assigned Alarm Setup04/21/98 07:51:33 DB Table Change User : master Analog Levels Template Alarm Setup04/21/98 07:51:29 DB Table Change User : master Functions Alarm Setup04/21/98 07:50:17 DB Table Change User : master Digital Levels Assigned Alarm Setup04/21/98 07:50:17 DB Table Change User : master Analog L evels Assigned Alarm Setup0 4/ 21 /9 8 0 7: 49 :1 3 S et up : D ev ic e N am e C ha ng e D ev ic e : Mi cr oL og ic Br ea ke r U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :5 7 S et up : D ev ic e A dd ed D ev ic e : M ic ro Lo gi c B re ak er U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :3 8 S et up : D ev ic e N am e C ha ng e D ev ic e : Tr an sf or me r Te mp U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :2 2 S et up : D ev ic e A dd ed D ev ic e : Tr an sf or me r Te mp U se r : ma st er D ev ic e S et up04/21/98 07:46:54 User Log In User : master User Level : 1 SMS-3000 Client04/21/98 07:44:59 Security Check Key Status : Key Found PowerLogic Network04/21/98 07:44:59 Net Server Started User :master Level : 1 PowerLogic Network


9/1236

Micrologic 7.0 H

.4

.5

.6.7

.8.9

.95

.98

1

delay

short timeI itsd

(s)

on I2t

.2

.3.4 .4

.1

.2.3

.10off

instantaneous

long timealarmIr

x In

setting

x Ir

2

2.53

456

8

10

Isd

1.5

.5

1

24

812

16

20

tr(s)

@ 6 Ir24

x In

test

I (A)

U (V)

P (kW)

E (kWh)

Harmonics

2

410

3

6 8

12

15off

800

earth leakage

1

23

57

10

20

30

t(ms)

60.5

140

230 350

In(A)

Control unitsMicrologic H "harmonics"


Micrologic H control units include all thefunctions offered by Micrologic P.

Integrating significantly enhancedcalculation and memory functions, theMicrologic H control unit offers in-depthanalysis of power quality and detailedevent diagnostics. It is intended foroperation with a supervisor.

In addition to the Micrologic P functions, the Micrologic H control unit offers:in-depth analysis of power quality including calculation of harmonics and the

fundamentals

diagnostics aid and event analysis through waveform captureenhanced alarm programming to analyse and track down a disturbance on the

AC power system

Measurements .......................................................................

The Micrologic H control unit offers all the measurements carried out by MicrologicP, with in addition:phase by phase measurements of:

v power, energyv power factorscalculation of:

v current and voltage total harmonic distortion (THD)v current, voltage and power fundamentalsv current and voltage harmonics up to the 31st order.

Instantaneous values displayed on the screen

currentsI rms A 1 2 3 N

A e-fault e-leakage

I maxrms A 1 2 3 N

A e-fault e-leakage

voltagesU rms V 12 23 31

V rms V 1N 2N 3N

U average rms V (U12 + U23 + U31) / 3

U unbalance %

power, energyP active, Q reactive, S apparent W, Var, VA totals 1 2 3

E active, E reactive, E apparent Wh, VARh, VAh totals consumed - supplied

totals consumed

totals supplied

power factor PF total 1 2 3

frequenciesF Hz

power-quality indicatorstotal fundamentals U I P Q S

THD % U I

U and I harmonics amplitude 3 5 7 9 11 13

Harmonics 3, 5, 7, 9, 11 and 13, monitored by electrical utilities, are displayed on thescreen.

Demand measurementsSimilar to the Micrologic P control unit, the demand values are calculated over afixed or sliding time window that may be set from 5 to 60 minutes.

currentsI demand A 1 2 3 N

A e-fault e-leakage

I max demand A 1 2 3 N

A e-fault e-leakage

powerP, Q, S demand W, Var, VA totals

P, Q, S max demand W, Var, VA totals

MaximetersOnly the current maximeters may be displayed on the screen.

Histories and maintenance indicators

These functions are identical to those of the Micrologic P.

E46257

Note.Micrologic H control units come with a non-transparentlead-seal cover as standard.


10/1237

ModuleEventTime


Ready




04/21/98 08:49:06 Net Server Shutdown User : master Level : 1 PowerLogic Network04/21/98 08:49:01 User Log Out User : master User level : 1 SMS-3000 Client04/21/98 08:48:38 DB Table Change User : master TOD Event Tasks Alarm Setup04/21/98 08:48:30 DB Table Change User : master Tasks Alarm Setup04/21/98 08:46:16 DB Table Change User : master TOD Events Alarm Setup04/21/98 08:39:19 User Log In User : master User level : 1 SMS-3000 Client04/21/98 08:39:06 Security Check Key Status : Key Found PowerLogic Network04/21/98 08:39:06 Net Server Started User : master Level : 1 PowerLogic Network04/21/98 08:38:57 User Log In Event/Alarm/Network04/21/98 08:30:44 Net Server Shutdown User : master Level : 1 PowerLogic Network04/21/98 08:24:31 Security Check Key Status : Key Found PowerLogic Network04/21/98 08:24:30 Net server Started User : master Level : 1 PowerLogic Network04/21/98 08:24:15 User Log IN Event/Alarm/Network04/21/98 08:18:07 IPC Error User : NA Err : 109 SMS-3000 Client04/21/98 07:54:05 DB Table Change User : -1 Logger Template Devices Logger Setup04/21/98 07:53:55 DB Table Change User : -1 Logger Template Topics Logger Setup04/21/98 07:53:54 DB Table Change User : -1 Logger Templates Logger Setup04/21/98 07:51:46 DB Table Change User : master Analog Levels Assigned Alarm Setup04/21/98 07:51:33 DB Table Change User : master Analog Levels Template Alarm Setup04/21/98 07:51:29 DB Table Change User : master Functions Alarm Setup04/21/98 07:50:17 DB Table Change User : master Digital Levels Assigned Alarm Setup04/21/98 07:50:17 DB Table Change User : master Analog L evels Assigned Alarm Setup0 4/ 21 /9 8 0 7: 49 :1 3 S et up : D ev ic e N am e C ha ng e D ev ic e : Mi cr oL og ic Br ea ke r U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :5 7 S et up : D ev ic e A dd ed D ev ic e : M ic ro Lo gi c B re ak er U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :3 8 S et up : D ev ic e N am e C ha ng e D ev ic e : Tr an sf or me r Te mp U se r : ma st er D ev ic e S et up0 4/ 21 /9 8 0 7: 48 :2 2 S et up : D ev ic e A dd ed D ev ic e : T ra ns fo rm er Te mp U se r : ma st er D ev ic e S et up04/21/98 07:46:54 User Log In User : master User Level : 1 SMS-3000 Client04/21/98 07:44:59 Security Check Key Status : Key Found PowerLogic Network04/21/98 07:44:59 Net Server Started User :master Level : 1 PowerLogic Network


Ready




-167

-83

0

83

167

Phase A-N Voltage

17 33 50 66

Phase B-N Voltage

-642

-321

0

321

642

Phase A Current

6617 33 50

-167

-83

0

83

167

17 33 50

Your Specific Device - Phase A-N Voltage

Harmonics(RMS)

H2: 0.01H3: 0.45H4: 0.03H5: 0.45H6: 0.04H7: 1.27H8: 0.05H9: 0.42H10: 0.01H11: 1.03H12: 0.07

H1: 118.09Fundamental : 118.08

RMS: 118.11

RMS-H: 2.38

Peak: 166.86

CF: 1.41

THD: 2.02

OK

ModuleEventTime


Ready




0,00

0,20

0,40

0,60

0,80

1,00

1,20

H2 H3 H4 H5 H6 H7 H8 H9 H10 H11 H12

%F

undamental

Harmonics

Phase A-N Voltage - Harmonics Analysis

Phase 1-N

Harmonics(RMS)

H2: 0.01H3: 0.45H4: 0.03H5: 0.45H6: 0.04H7: 1.27H8: 0.05H9: 0.42H10: 0.01H11: 1.03H12: 0.07

H1: 118.09

OK

Fundamental:

RMS:

RMS-H:

Peak:

CF:

THD:

With the communication option

Additional measurements, maximeters and minimetersCertain measured or calculated values are only accessible with the COMcommunication option:

I peak / , (I1 + I2 + I3)/3, I unbalanceload level in % Irpower factor (total and per phase)

voltage and current THD

K factors of currents and average K factorcrest factors of currents and voltages

all the fundamentals per phasefundamental current and voltage phase displacementdistortion power and distortion factor phase by phase

amplitude and displacement of current and voltage harmonics 3 to 31.

The maximeters and minimeters are available only via the COM option for use with

a supervisor.

Waveform captureThe Micrologic H control unit stores the last 4 cycles of each instantaneous current

or voltage measurement. On request or automatically on programmed events, thecontrol unit stores the waveforms. The waveforms may be displayed in the form of

oscillograms by a supervisor via the COM option. Definition is 64 points per cycle.

Enhanced alarm programmingEach instantaneous value can be compared to user-set high and low thresholds.Overrun of a threshold generates an alarm. An alarm or combinations of alarmscan be linked to programmable actions, including circuit-breaker opening,

activation of a M2C or M6C contact, selective recording of measurements in a log,

waveform capture, etc.

Event log and maintenance registersThe Micrologic H offers the same event log and maintenance register functions as

the Micrologic P.

Additional technical characteristicsSetting the display languageSystem messages may be displayed in six different languages. The desired language isselected via the keypad.

Protection functionsAll current-based protection functions require no auxiliary source. Voltage-basedprotection functions are connected to AC power via a voltage measurement input builtinto the circuit breaker.

Measurement functionsMeasurement functions are independent of the protection functions.The high-accuracy measurement module operates independently of the protectionmodule, while remaining synchronised with protection events.

Measurement-calculation mode

An analogue calculation function dedicated to measurements enhances the accuracy ofharmonic calculations and the power-quality indicators. The Micrologic H control unitcalculates electrical magnitudes using 1.5 x In dynamics (20 x In for Micrologic P).Measurement functions implement the new "zero blind time" conceptEnergies are calculated on the basis of the instantaneous power values, in the traditionaland signed modes.Harmonic components are calculated using the discrete Fourier transform (DFT).

Accuracy of measurements (including sensors)voltage (V) 1%current (A) 1.5%frequency (Hz) 0.1 Hzpower (W) and energy (Wh) 2.5%total harmonic distortion 1%

Stored informationThe fine-setting adjustments, the last 100 events and the maintenance register remain inthe control-unit memory even when power is lost.

Time-stampingTime-stamping is activated as soon as time is set manually or by a supervisor no

external power supply module is required (max. drift of 1 hour per year).ResetAn individual reset, via the keypad or remotely, acts on alarms, minimum and maximumdata, peak values, the counters and the indicators.

Waveform capture

Display of harmonics up to 12th order.

Log

E47071

E47072

E47070


11/1238

External sensorsExternal sensor for earth-fault and neutral protectionThe sensors, used with the 3P circuit breakers, are installed on the neutral

conductor for:neutral protection (with Micrologic P and H)residual type earth-fault protection (with Micrologic A, P and H)..

The rating of the sensor (CT) must be compatible with the rating of the circuit breaker:NT06 to NT16: TC 400/1600NW08 to NW20: TC 400/2000NW25 to NW40: TC 1000/4000NW40b to NW63: TC 2000/6300.

For oversized neutral protection the sensor rating must be compatible with themeasurement range: 1,6 x IN (available up to NW 40 and NT 16).

Rectangular sensor for earth-leakage protectionThe sensor is installed around the busbars (phases + neutral) to detect the zero-phase sequence current required for the earth-leakage protection. Rectangularsensors are available in two sizes.Inside dimensions (mm)

280 x 115 up to 1600 A for Masterpact NT and NW470 x 160 up to 4000 A for Masterpact NW.

External sensor for source ground return protectionThe sensor is installed around the connection of the transformer neutral point toearth and connects to the Micrologic 6.0 control unit via an MDGF module toprovide the source ground return (SGR) protection.

Voltage measurement inputsVoltage measurement inputs are required for power measurements (Micrologic Por H) and for earth-leakage protection (Micrologic 7...).As standard, the control unit is supplied by internal voltage measurement inputsplaced downstream of the pole for voltages between 100 and 690 V AC. Onrequest, it is possible to replace the internal voltage measurement inputs by anexternal voltage input (PTE option) which enables the control unit to draw powerdirectly from the distribution system upstream of the circuit breaker. An 3 m cablewith ferrite comes with this PTE option.

Long-time rating plugFour interchangeable plugs may be used to limit the long-time threshold settingrange for higher accuracy.The time delay settings indicated on the plugs are for an overload of 6 Ir (for furtherdetails, see the characteristics on pages 19 and 21).As standard, control units are equipped with the 0.4 to 1 plug.

Setting rangesstandard Ir = In x 0,4 0.5 0.6 0.7 0.8 0.9 0.95 0.98 1

low-setting option Ir = In x 0.4 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.8

high-setting option Ir = In x 0.80 0.82 0.85 0.88 0.90 0.92 0.95 0.98 1

off plug no long-time protection (Ir = In for Isd setting)

Important: Long-time rating plugs must always be removed before carrying outinsulation or dielectric withstand tests.

External power-supply moduleThe external power-supply module makes it possible to use the display even if thecircuit breaker is open or not supplied (for the exact conditions of use, see the"electrical diagrams" part of this catalogue).

This module powers both the control unit (100 mA) and the M2C and M6Cprogrammable contacts (100 mA).

With the Micrologic A control unit, this module makes it possible to display currentsof less than 20% of In.With the Micrologic P and H, it can be used to display fault currents after tripping.

Characteristicspower supply:v 110/130, 200/240, 380/415 V AC (+ 10% - 15%), consumption 10 VAv 24/30, 48/60, 100/125 V DC (+20% -20%), consumption 10 Woutput voltage: 24 V DC; power delivered: 5 W / 5 VAripple < 5%Dielectric withstand : 3 kV rms between input/output.

Battery moduleThe battery module makes it possible to use the display even if the power supply tothe Micrologic control unit is interrupted and still commucating with the supervisor.

Characteristics:battery run-time: 12 hours (approximately)mounted on vertical backplate or symmetrical rail.

External sensor for source ground return protection

056467

056412

External sensor (CT)


Micrologic control unitsAccessories and test equipment

E47477

0251

73

Rectangular sensor

059476

025

171


12/12

M2C, M6C programmable contactsThese contacts are optional equipment for the Micrologic P and H control units.

They are described with the indication contacts for the circuit breakers.characteristics M2C/M6C

minimum load 10mA/24V

breaking V AC 240 5

capacity (A) 380 3

p.f.: 0.7 V DC 24 1.8

48 1.5

125 0.4

250 0.15

M2C: 24 V DC power supplied by control unit (consumption 100 mA).

M6C: external 24 V DC power supply required (consumption 100 mA).

Spare parts

Lead-seal coversA lead-seal cover controls access to the adjustment dials.

When the cover is closed:it is impossible to modify settings using the keypad unless the settings lockout

pin on the cover is removed.

the test connector remains accessible.the test button for the earth-fault and earth-leakage protection function remains

accessible.

Characteristicstransparent cover for basic Micrologic and Micrologic A control units

non-transparent cover for Micrologic P and H control units.

Spare batteryA battery supplies power to the LEDs identifying the tripping causes. Batteryservice life is approximately ten years.A test button on the front of the control unit is used to check the battery condition.

The battery may be replaced on site when discharged.

Test equipment

Mini test kitThe autonomous hand-held mini test kit may be used to:check operation of the control unit and the tripping and pole-opening system by

sending a signal simulating a short-circuit

supply power to the control units for settings via the keypad when the circuit-

breaker is open (Micrologic P and H control units).

Power source: standard LR6-AA battery.

Portable test kitThe portable test kit can be used alone or with a suppor ting personal computer.

The portable test kit without PC may be used to check:

the mechanical operation of the circuit breaker

the electrical continuity of the connection between the circuit breaker and thecontrol unit

operation of the control unit:v display of settingsv automatic and manual tests on protection functionsv test on the zone-selective interlocking (ZSI) functionv inhibition of the earth-fault protectionv inhibition of the thermal memory.

The portable test kit with PC offers in addition:comparison of the real tripping curve with the catalogue curves available on the

PC

reset of the M2C / M6C contacts and indicationsreading and modification of settings and countersreading of histories and logs

waveform captureanalysis of harmonics.

Portable test kit

056466

056429

Lead-seal cover

056413

M2C

M6C

056430

Documents

Micrologic 6