DATE: 18/01/2011 DOC.SIE10166 REV.10
CIRCUIT BREAKER ANALYZER
AND MICROOHMMETER
MOD. CBA1000
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Doc. SIE10166 Rev. 10 Page 2 of 28
REVISIONS
SUMMARY
VISA
N
PAGE
DATE
1
All
22/07/2005
Preliminary issue
Lodi.
2
All
01/06/2006
Issued
Lodi
3
13
03/07/2006
Added the description of the DC loss test option
Lodi
4
15,16
13/04/2007
BSG option detailed
Puricelli
5
15, 16, 17
1/10/2007
Completed the BSG1000 option description
Lodi
6
17
7/11/2007
BSG1000 option description revised
Puricelli
7
15
12/12/2007
Auxiliary cable length corrected to 6 m
Lodi
8
13
30/09/2008
Added the 70 V MTC option and the long
connection cables option
Lodi
9
26-
15/03/2009
Modified to FW revision 2.19
Lodi
10
23
18/1/2011
Improved the clamp specification; added
pictures
Lodi
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Doc. SIE10166 Rev. 10 Page 3 of 28
APPLICABLE STANDARDS ......................................................................................................................................... 4
1 INTRODUCTION ....................................................................................................................................................... 5
2 CHARACTERISTICS ................................................................................................................................................ 7
2.1 COIL DRIVING CIRCUITS ............................................................................................................................................ 7
2.2 MAIN CONTACT INPUTS ............................................................................................................................................. 7
2.3 AUXILIARY INPUTS ................................................................................................................................................... 7
2.4 INPUTS TIMING ........................................................................................................................................................... 7
2.5 ANALOG INPUT .......................................................................................................................................................... 8
2.5.1 High voltage analog input ................................................................................................................................ 8
2.5.2 Low voltage analog input .................................................................................................................................. 8
2.6 TIME MEASUREMENT TRIGGERS ................................................................................................................................. 8
2.7 PROGRAMMABLE SEQUENCES .................................................................................................................................... 9
2.8 STATIC RESISTANCE MEASUREMENT (OPTIONAL)................................................................................................. 10
2.9 DYNAMIC RESISTANCE MEASUREMENT (OPTIONAL) ............................................................................................ 10
2.10 TEST SET CONTROL ................................................................................................................................................ 11
2.11 PC SOFTWARE ........................................................................................................................................................ 11
2.12 MENU SELECTIONS ................................................................................................................................................ 11
2.13 OTHER CHARACTERISTICS ..................................................................................................................................... 12
3 OPTIONS .................................................................................................................................................................... 13
3.1 STATIC AND DYNAMIC RESISTANCE MEASUREMENT, CODE PII23166. ..................................................................... 13
3.2 FOUR COIL COMMANDS, CODE PII43166. ................................................................................................................. 13
3.3 INTERNAL PRINTER, CODE PII33166. ....................................................................................................................... 13
3.4 EXTERNAL PRINTER, CODE PII14102. ...................................................................................................................... 13
3.5 MINIMUM TRIP COIL TEST. ...................................................................................................................................... 13
3.6 TEST SET CODES WITH OPTIONS. .............................................................................................................................. 14
3.7 CONNECTION CABLES, BASIC SET. ............................................................................................................................ 14
3.8 LONG CONNECTION CABLES SET. ............................................................................................................................. 18
3.9 TRANSIT CASE, CODE PII18166. ............................................................................................................................... 18
3.10 SOFT PROTECTION BAG, CODE PII19166. ............................................................................................................... 19
3.11 DOUBLE EARTH TESTER BSG1000, CODES PII21166 AND PII22166. ..................................................................... 19
3.12 TRANSDUCERS. ................................................................................................................................ ...................... 22
3.13 HALL EFFECT CLIP-ON TRANSFORMER, CODE PII29166. ........................................................................................ 23
4 PROTECTIONS ........................................................................................................................................................ 24
APPENDIX A: MENU SELECTIONS ......................................................................................................................... 25
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Doc. SIE10166 Rev. 10 Page 4 of 28
APPLICABLE S TANDARDS
The test set conforms to the EEC directives regarding Electromagnetic Compatibility and Low
Voltage instruments.
A) Electromagnetic Compatibility:
Directive no. 2004/108/EC. Applicable Standard : EN61326-1 + A1 + A2.
EMISSION
- EN 61000-3-2 + A2: Harmonic content of power supply. Acceptable limits: basic.
- EN 61000-3-3 + A1: Limitation of voltage fluctuations and flicker. Acceptable limits: basic.
- CISPR16 (EN 55011 class A): Limits and measurement methods of radio-electric disturbances for
industrial, medical and scientific instruments at radio-electric frequencies.
Acceptable limits for conducted emission:
. 0.15-0.5 MHz: 79 dB pk; 66 dB avg.
. 0.5-5 MHz: 73 dB pk; 60 dB avg.
. 5-30 MHz: 73 dB pk; 60 dB avg.
Acceptable limits for radiated emission:
. 30-230 MHz: 40 dB (30 m)
. 230-1000 MHz: 47 dB (30 m)
IMMUNITY
- EN 61000-4-2 + A1 + A2: Immunity tests for ESD. Test values: 8 kV in air; 4 kV in contact.
- EN 61000-4-3 + A1; Immunity tests for radio frequency interference. Test values (f= 900 5
MHz): field 10 V/m, modulated AM 80%; 1 kHz
- EN 61000-4-4; Immunity tests for high speed transients (burst). Test values: 2 kV peak; 5/50 ns.
- EN 61000-4-5 + A1; Immunity tests for surge. Test values: 1 kV peak differential mode; 2 kV
peak common mode; 1.2/50 us.
- EN 61000-4-6 + A1: immunity to low-voltage sinusoidal waveform. Test values: 0.15-80 MHz, 10
Vrms, 80% AM 1 kHz.
- EN 61000-4-8 + A1: Immunity tests for low frequency magnetic fields. Test values: 30 Arms/m.
- EN 61000-4-11: Immunity test for power supply drops. Test value: 1 cycle; 100% drop.
B) Low Voltage Directive
- - Directive n. 2006/95/EC. Applicable standard: EN 61010-1. In particular, for a pollution
degree 2:
- Isolation resistance: > 2 MOhm.
- Earth resistance : < 0.1 Ohm.
- Dielectric rigidity 1.4 kV AC, 1 minute.
- Inputs/outputs protection: IP 2X - EN60529.
- Operating temperature: 0 to 55 °C; storage: - 20 °C to + 70 °C.
- Relative humidity : 5 - 95%, without condensing.
- Vibration: IEC 68-2-6 (20 m/s^2 at 10 – 150 Hz);
- Shock: IEC 68-2-27 (15 g; 11 ms; half-sine).
- Altitude: less than 2000 m.
- Dispersion current: less than 5 mA.
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Doc. SIE10166 Rev. 10 Page 5 of 28
1 INTRODUCTI ON
The circuit breaker analyzer and microOhmmeter model CBA1000 is a two-in-one test set.
When used as a circuit breaker analyzer, it allows the off-line testing of the characteristics of all
modern MV and HV circuit breakers. The test set measures CB operation times as they are defined
in the IEC standard 62271-100; in particular:
. Opening time: see 3.7.133;
. Closing time: see 3.7.136;
. O-C time: see 3.7.139;
. C-O time: see 3.7.143;
. Minimum trip duration: see 3.7.146;
. Minimum close duration: see 3.7.147.
When used as a microOhmmeter, it allows measuring the contact resistance of the circuit breaker
contact, or also of joints or other circuit parts. It allows also to perform the dynamic test of the
contact resistance, that is to record and display how does the contact resistance change while it is
closing: this allows detecting hidden defects, that are otherwise impossible to be diagnosed.
The instrument performs the following features:
. Test set control: via keypad plus selection knob plus dedicated keys, and a large transflective LCD
display (320 x 240 pixels; view area 122 x 92 mm).
. Optional internal thermal printer 58 mm wide or external thermal printer 112 mm wide.
. Huge recording capability: 128 Mb (typically 250 results).
. USB and RS232 interface for data communication with the PC.
. Two driving coil circuits (O+C); 4 opt. The coil current is independently measured on all outputs,
with three current ranges.
. Three sets of two main contact sensing circuits (two chambers tests). Test of the main contact and
of the pre-insertion resistor.
. Four digital event input circuits.
. For the main and event inputs, measurement of delays with respect to coil currents or other
references.
. The Open or Closed state of main and event inputs is displayed by a light: thanks to these lights,
the status of the circuit breaker is continuously monitored.
. Capability of controlling up to four test sets, for tests of CB’s with up to 8 chambers per phase.
. Two analog input circuits, low voltage and high voltage, with a voltage source for potentiometer
transducers polarization. Low voltage measurement is translated into stroke and speed. In
alternative, the input can measure the auxiliary DC voltage during circuit breaker operation.
. Static resistance measurement; test current 200 A, 100 A or 20A.
. Dynamic contact resistance test; test current 200 A, 100 A or 20A.
. Many triggers can start the recording.
. In case of more than two chambers per phase, capability of generating or sensing a trigger, so that
a number of units can operate at the meantime.
. All possible test sequences are programmable, including test cycling.
. Test result is shown on the display: it is possible to analyse, zoom and so on.
. Capability of storing and recalling both test settings and test results.
. The software TDMS (that operates with WINDOWS 2000 up) is included: it allows analyzing test
results, adding notes, saving and so on. It allows also to store and recall test settings.
. The external option BSG1000 allows to perform the test when the circuit breaker has both ends
connected to earth, thus maximizing the test safety; it allows also to test circuit breakers with a
graphite nozzle.
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Doc. SIE10166 Rev. 10 Page 6 of 28
All circuits have been designed to ensure safe operation in the noisy environment of HV and MV
substations.
The instrument is housed in a transportable aluminium box, that is provided with removable cover
and handles for ease of transportation.
The following figure shows the CBA1000 front panel.
NOTE: WINDOWS is a trademark of MICROSOFT inc.
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Doc. SIE10166 Rev. 10 Page 7 of 28
2 CHARACTERISTICS
2.1 COIL DRIVING CIRCUITS
. Number of circuits: two; optionally four.
. Type of driver: electronic; it ensures superior timing control.
. Driver characteristic: 300 V DC max; 30 A DC max, or 300 V AC max; 20 V AC max.
. Operating time accuracy: 0.025% of delay ± 100 us.
. Coil current ranges: 2.5; 10; 25 A full scale, user selectable.
. The coil current is measured by a dedicated circuit, which is enclosed in the test set, so that a
single connection is enough to connect the coil and to measure its current.
. Number of coil current measurement circuits: two (optionally four).
. In case of four outputs, it is possible to select the single or multiple phase opening.
. Coil current measurement accuracy: 0.5% of the reading ± 0.1% of the selected range.
. Connection: via four (optionally eight) safety sockets.
. Outputs are isolated between them.
2.2 MAIN CONTACT INPUTS
. Number of main contact inputs: six in all, divided in three groups of two each.
. Test of the main contact and of the pre-insertion resistor contact, selectable.
. The contact is CLOSED when the contact resistance is less than 10 Ohm.
. Pre-insertion resistor contact range: 30 Ohm to 10 kOhm.
. Contact test voltage: 24 V. Main contact test current: 50 mA.
. Each input group is isolated with respect to the others.
. Connection: via nine safety sockets.
. When a main contact is closed, the corresponding light on the front panel turns on.
2.3 AUXILIARY INPUTS
. Number of auxiliary inputs: four, divided in two groups of two each.
. Each input group is isolated with respect to the other.
. Capability of testing dry contacts. Contact test voltage: 24 V; test current: 2 mA.
. Capability of testing wet contacts. Contact input voltage: 20 to 300 V; test current: 2 mA.
. Contact selection can be different on the two groups.
. Connection: via six safety sockets.
. When an auxiliary input is closed, the corresponding light on the front panel turns on.
2.4 INPUTS TIMING
. Sample rate: 20 kHz maximum for recording up to 1s; 2kHz for recordings from 1 to 10 s; 200Hz
for recordings up to 100s; 100Hz up to 200s.
. Resolution: 0.1 ms to 1 s.
. Inputs timing accuracy: see the following table
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Doc. SIE10166 Rev. 10 Page 8 of 28
RANGE
FREQUENCY
ACCURACY
1 s
20000 Hz
0.1 ms ± 0.025% of the reading
2 s
10000 Hz
0.2 ms ± 0.025% of the reading
4 s
5000 Hz
0.4 ms ± 0.025% of the reading
10 s
2000 Hz
1 ms ± 0.025% of the reading
20 s
1000 Hz
2 ms ± 0.025% of the reading
40 s
500 Hz
4 ms ± 0.025% of the reading
100 s
200 Hz
10 ms ± 0.025% of the reading
200 s
100 Hz
20 ms ± 0.025% of the reading
400 s
50 Hz
40 ms ± 0.025% of the reading
1000 s
20 Hz
100 ms ± 0.025% of the reading
2.5 ANALOG INPUT
. Number of analog inputs: Two, high voltage and low voltage, isolated between them..
2.5.1 High voltage analog input
. Input voltage ranges: ± 5 V; ± 50 V; ± 500 V DC (3.5; 35; 350 V AC), user selected. These ranges
allow measuring all AC and DC voltages.
. Analog input measurement resolution: 16 bit.
. Analog input measurement accuracy: 0.5% of the reading ± 0.1% of the selected range, for DC
inputs: 1 % of the reading ± 0.2% of the selected range, for AC inputs.
. Analog input impedance: more than 200 kOhm.
. Analog input measurement sampling rate: 20 kHz max.
. Connection: via two safety sockets for the input, plus two safety sockets for the polarizing voltage.
2.5.2 Low voltage analog input
. Input voltage range: ± 5 V.
. Analog input measurement resolution: 16 bit.
. Analog input measurement accuracy: 0.5% of the reading ± 0.1% of the selected range.
. Analog input impedance: more than 200 kOhm.
. Analog input measurement sampling rate: 20 kHz max.
. Availability of a polarizing voltage to supply linear position transducers. Voltage value: - 5 V;
maximum output current 5 mA; minimum transducer resistance 1 kOhm. The output is isolated
from other circuits.
. When the input is used with a position transducer, the software allows displaying: positions,
strokes, speed (datum point). These measurements are defined by the position of the cursors. In this
instance, it is possible to input the transducer stroke, and to set the unit of measurement as
millimeters, degrees or inches.
. Connection: via a shielded connector for the input, and two safety sockets for the polarizing
voltage.
2.6 TIME MEASUREMENT TRIGGERS
The following time measurement trigger options are user selectable:
. Internal: the time measurement starts as the first Open or Close coil command is issued by the
driving circuit.
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Doc. SIE10166 Rev. 10 Page 9 of 28
. Coil current: the time measurement starts as soon as the first Open or Close coil current exceeds
the selected percentage, from 1% to 30%, of the selected current range.
. Auxiliary input: the time measurement starts when the selected auxiliary input turns ON or
changes its state. The trigger can be performed also on a logical combination of auxiliary inputs.
. Analog input: the time measurement starts when the analog input level crosses (greater than, lower
than) the selected threshold.
. External trigger. The test set features a Trigger Out output and a Trigger In input, that allow
synchronizing up to 4 CBA1000’s. In this mode, one CBA1000 acts as the Master unit; its Trigger
Out output will be connected to all other units, selected as Slave. As the Master starts the test, all
other Slave units will measure the timing on Main, auxiliary and analog inputs. Maximum timing
error: 100 us. This feature allows to test circuit breakers with more than two chambers per phase, or
to survey more than four auxiliary inputs, or to survey more than one analog input at a time.
2.7 PROGRAMMABLE SEQUENCES
The user can select the following Open and Close sequences:
. Open: the Open coil is driven. In case of four coils, the selected Open coil phase is driven.
. Close: the Close coil is driven.
. OC: In sequence, the Open and Close coils are driven. In case of four coils, the selected Open coil
phase is driven.
. CO: In sequence, the Close and Open coils are driven. In case of four coils, the selected Open coil
phase is driven.
. OCO: In sequence, the Open, the Close and then again the Open coils are driven. In case of four
coils, the first Open command is issued on the selected Open coil phase, while the second Open
command is issued on all coil phases.
Via the software, it is possible to repeat an OC or CO command up to 9999 times.
These sequences are also selected by means of a dedicated pushbutton; the selected sequence is
confirmed by an LED.
For all the above sequences, the user can program the following delays:
. Open command duration: range 10 ms to 10 s.
. Close command duration: range 10 ms to 10 s.
. Open to Close delay: delay range 10 ms to 199.990 s.
. Close to Open delay: delay range 10 ms to 199.990 s.
. Recording duration: range 10 ms to 199.990 s.
. Two times recording. In this mode, the measurement is performed in two steps, separated by a
pause: this avoids loosing the timing resolution of the part of interest. It is possible to program a
first recording duration, then a pause, then the second recording duration.
. After programming, it is possible to view on the display the sequence timing: this helps avoiding
programming errors.
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Doc. SIE10166 Rev. 10 Page 10 of 28
OPEN
CLOSE
TWO TIMES
OPEN 1
CONTACT 1
CONTACTS 2, 3
2.8 STATIC RESISTANCE MEASUREMENT (OPTIONAL)
This measurement is performed connecting CBA1000 to the test sample and measuring its
resistance. Test samples can be: joints, main contacts and so on. Main contacts resistance is
measured in the closed position.
. Test current, resistance measuring range, resolution and accuracy: see the table.
TEST
CURRENT
RESISTANCE
RANGE
RESOLUTION
ACCURACY
A
mOhm
μOhm
200
0.2 1 2 % of the reading ± 0.5% of the range
1 1 2 % of the reading ± 0.5% of the range
100
1 1 2 % of the reading ± 0.3% of the range
10 1 1 % of the reading ± 0.3% of the range
20
10 1 1 % of the reading ± 0.3% of the range
100 1 1 % of the reading ± 0.2% of the range
. Type of current source: electronic constant current generator, driven by a discharging capacitor.
. Minimum duration of the current generation: 30 ms, @ 200 A.
. Capacitor charging time: 60 s.
. Maximum test voltage: 18 V.
. Test mode selection. With single test, the resistance value is displayed. With Breaker phase test,
the screen shows a table that collects the measurement of all phases.
. NOTE: during the first 4 ms, the resistance measurement is affected by the connection leads
inductance.
2.9 DYNAMIC RESISTANCE MEASUREMENT (OPTIONAL)
With this measurement it is possible to record the main contact resistance during the CB close.
O DURATION
C DURATION
OC DELAY
CO DELAY
PAUSE
MONITORED D2
MONITORED D1
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The CB is open prior to test start: CBA1000 issues the Close command; as the contact closes, the
test current passes through the contact, and CBA1000 measures the contact resistance variations
during the close movement.
. Test current, resistance ranges and other characteristics: as for the static resistance measurement.
. Unlike the static resistance measurement, the test result is not a table of resistance measurements:
it is the resistance profile during the test, along with voltage and current profiles.
2.10 TEST SET CONTROL
. The control is local, via keypad, selectors and display: no PC control is necessary.
. Keypad: 12 keys, numeric plus alphabet: it allows inputting all test references. The arrangement is
the same as portable phones.
. Two dedicated pushbuttons for test start and sequence selection.
. Numeric encoder with pushbutton for menu selection (see below the selections list).
. As the test is started, a buzzer warns the operator.
. The graphical display has the following main features:
- Type: transflective LCD;
- Pixels: 320x 240;
- Backlight color: white;
- View area: 122 x 92 mm;
- Displays: menu selections prior to test start; then, current waveforms, contact inputs (main –
resistance), auxiliary inputs, analog input (those enabled). For dynamic resistance, it is
possible to display the resistance profile, along with voltage and current profiles.
. Interfaces to PC: RS232, 57600 baud; USB.
. Memory size: 128 Mbytes (approx. 250 results).
. Maximum record length: 200 s.
. Capability of saving and re-calling up to 48 test settings.
2.11 PC SOFTWARE
The dedicated TDMS software has the following main features.
. Download of test sequences.
. Download of test results.
. Test sequences and test results can be viewed, edited in the missing descriptions, saved, printed,
exported.
. Possibility of viewing, overlaying and gluing more results, for an easy test result comparison.
. Possibility to pre-set test sequences and to download them into the test set.
. Two cursors to select measurement points and intervals.
. Zoom in and out feature.
. Enhanced measurement features for movement – speed – acceleration control.
The software will be upgraded for free until a new version is released. Upgrading is simple: just
connect to the ISA WEB site, and download the latest version. This applies also to the test set
resident program.
2.12 MENU SELECTIONS
Appendix A lists the features that are menu selected. The menu is operated by means of the MENU
control knob, that incorporates a switch. The menu is entered pressing the knob and selecting the
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Doc. SIE10166 Rev. 10 Page 12 of 28
item moving the knob. Once the item has been found and programmed, pressing the arrow the menu
moves back, so that other programming can be performed.
After test start, measurements are displayed in the corresponding window. Pressing the knob it is
possible to return to menu selections and modify them, and then it is possible to return to the
measurements window.
Any setting can be saved to and recalled from the memory, with a line of text description. At
power-on, the default one is displayed: it can also be recalled as necessary. Settings are permanently
stored in the memory; new settings can be written to the same address after confirmation. For
normal mode operation it is possible to recall the standard setting, that cannot be modified.
During the test, test results can be stored in the memory, according to selections.
2.13 OTHER CHARACTERISTICS
. Mains supply:
.. From 85 to 265 V AC; 50-60 Hz,
.. From 100 to 350 V DC.
. Maximum supply current: 1 A @ 85 V AC; power consumption 85 VA.
. Test set operation: from the mains, or from an internal battery. Battery characteristics:
.. Type: Ni-Mh, rechargeable.
.. Battery operating time: 4 hours (CB tests); 1 hour (microhmmeter).
.. Battery charging time: 8 hours.
. Housing: aluminium case, with hinged removable cover and handles.
. The instrument comes complete with the following items:
.. Mains cable;
.. User’s manual;
.. Serial cable;
.. USB cable;
.. One cable, yellow/green, for the connection to ground. Cable length: 4 m; cross section 1
sq. mm, terminated with a crocodile;
.. Spare fuses;
.. Software TDMS.
. Dimensions: 400 (W) * 300 (D) * 240 (H) mm.
. Weight: 10 kg.
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Doc. SIE10166 Rev. 10 Page 13 of 28
3 OPTIONS
Options 1 to 4 are to be specified at order, even if it is possible to install them later on.
3.1 STATIC AND DYNAMIC RESISTANCE MEASUREMENT, CODE PII23166.
The option performances are described at paragraphs 2.8 and 2.9. Physically, it is made of a printed
circuit board, to be mounted on the mother panel, and of a capacitor, to be mounted on the base.
Even if it is possible to upgrade CBA1000, it is advisable to request the option at order: see below
for the CBA1000 coding. In case of an order after CBA1000 delivery, use the code in the title.
3.2 FOUR COIL COMMANDS, CODE PII43166.
With this option the test set is provided with the circuits to drive four coils (three Open, one Close),
rather than two. The option is made of an additional printed circuit board that fits into the mother
board.
Even if it is possible to upgrade CBA1000, it is advisable to request the option at order: see below
for the CBA1000 coding. In case of an order after CBA1000 delivery, use the code in the title.
3.3 INTERNAL PRINTER, CODE PII33166.
CBA1000 can be provided with a built-in thermal printer. Printer characteristics:
- Type: thermal;
- Paper width: 58 mm;
- Recordings: the selected window.
This option is exclusive of the DC loss test.
Even if it is possible to upgrade CBA1000, it is advisable to request the option at order: see below
for the CBA1000 coding. In case of an order after CBA1000 delivery, use the code in the title.
3.4 EXTERNAL PRINTER, CODE PII14102.
Thermal printer, for the printout of all test results. Paper 112 mm wide.
3.5 MINIMUM TRIP COIL TEST.
These options have the purpose of allowing to test the behaviour of the Minimum Trip Coil circuit
and of Open or Close coils, when supplied at a reduced voltage.
There are two modules available: one, code PII34166, is for battery voltages up to 250 V; the other
one, code PII24166, is for battery voltages up to 70 V.
The option is to be connected to the auxiliary DC supply of the plant; the option output voltage can
be modified (stepped or ramped down), according to the test program.
This option is exclusive of the internal printer.
Even if it is possible to upgrade CBA1000, it is advisable to request the option at order: see below
for the CBA1000 coding. In case of an order after CBA1000 delivery, use the code above.
Options characteristics:
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Doc. SIE10166 Rev. 10 Page 14 of 28
OPTION
PII34166
PII24166
Absolute maximum voltage
250 V
70 V
Maximum operating voltage
240 V
50 V
Minimum operating voltage
50 V
16 V
Maximum voltage drop
120 V
45 V
Minimum voltage drop
10 V
5 V
Adjustment step
2 V
0,5 V
Adjustment accuracy
2 V
0,5 V
Maximum output current
4 A; dV < 60 V;
2 A; dV > 60 V
10 A; dV < 12 V;
5 A; dV > 12 V
Maximum test duration
500 ms
500 ms
Pause duration
20 s
20 s
. Connections: one input safety socket, to be connected to the auxiliary supply positive, and one
output safety socket, to be connected to the minimum voltage input.
. Voltage adjustment in steps.
. Over-current protection.
3.6 TEST SET CODES WITH OPTIONS.
The following table lists the possible CBA1000 configurations and the corresponding coding.
CBA1000
µOHMMETER
PRINTER
4 COILS
250 V
DC LOSS
70 V
DC LOSS
CODE
YES - - - -
-
PII10166
YES
YES
- - -
-
PII20166
YES
-
YES
- - -
PII30166
YES - -
YES
-
-
PII40166
YES
YES
YES
- - -
PII50166
YES
YES
-
YES
-
-
PII60166
YES
-
YES
YES
-
-
PII70166
YES
YES
YES
YES
-
-
PII80166
YES - -
-
YES
-
PII31166
YES
YES
-
-
YES
-
PII51166
YES - -
YES
YES
-
PII71166
YES
YES
-
YES
YES
-
PII81166
YES
YES
-
YES
-
YES
PII61166
3.7 CONNECTION CABLES, BASIC SET.
The connection cables set includes:
.. Three cables for the connection to the main contacts, each of
three conductors. Cable length: 16 m; cross section 1.5 sq.
mm; terminated with safety banana plugs, with colors: black,
red, blue, on one side, and with crocodile clamps on the
other side.
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Doc. SIE10166 Rev. 10 Page 15 of 28
.. Two cables for the connection to the auxiliary contacts, each of
three conductors. Cable length: 6 m; cross section 1.5 sq. mm;
terminated with safety banana plugs on both sides, with colors:
black, red, blue. The two cables are marked with labels.
.. One cable with four conductors for the connection to the CB
coils. Cable length: 10 m; cross section 1.5 sq. mm,
terminated with safety banana plugs on both sides; colors:
black; red, blue, yellow.
.. One shielded cable for the measurement of the low
voltage, including two conductors. Cable length: 10 m;
cross section 0,5 sq. mm. Terminated with the suitable
connector on the CBA 1000 side, and with two clamps
on the CB side.
.. Five cables banana to banana: one red, two black, two blue.
.. Three jumpers, with 2 safety plugs, 10 cm long, for the connection of coil
drivers to the supply.
.. Fourteen adaptors from female banana socket to terminator, length
20 cm. Three colors: 6 red; 6 black; 2 blue.
.. One set of 8 crocodiles, for the connection to auxiliary contacts, plus
2 more, for the 500 V measurement.
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Doc. SIE10166 Rev. 10 Page 16 of 28
.. One 4-way cable for connect Trasducers. Cable is 10 meter long, and
terminated on one side with safety 4 mm banana plugs and on other side
with male measure connector.
.. One plastic bag that hosts all the cables.
If the micro-ohm meter option is included, the following connection cables are provided:
.. Two current conductors, marked red and black.
Cable length: 10 m; cross section 25 sq. mm.
Terminated with a suitable terminator on the
CBA1000 side, and with an high current
crocodile on the CB side.
If the four coils drive option is included, the following additional connection cables are provided:
.. One cable with four conductors for the connection to the CB coils. Cable length: 10 m;
cross section 1.5 sq. mm, terminated with safety banana plugs on both sides; colors: black;
red, blue, yellow.
Two jumpers, with 2 safety plugs, 10 cm long, for the connection of coil drivers to the supply.
If the MTC option is included, the following additional connection cables are provided:
.. One cable, single conductor, for the connection to the positive auxiliary supply. Cable
length: 4 m; cross section 1.5 sq. mm, terminated with safety banana plugs on both sides;
color: black.
.. Two cables, single conductor, for the connection to the MTC coil. Cable length: 2 m; cross
section 1.5 sq. mm, terminated with safety banana plugs on both sides; color: red.
The code of the option changes with the additional options, as follows.
CBA1000
µOHMETER
4 COILS
MTC
CODE
GOES WITH
YES - -
-
PII15166
PII10166
YES
YES - -
PII25166
PII20166
YES
-
YES
-
PII45166
PII40166
YES
YES
YES
-
PII65166
PII60166
YES - -
YES
PII35166
PII31166
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Doc. SIE10166 Rev. 10 Page 17 of 28
YES
YES
-
YES
PII55166
PII51166
YES
-
YES
YES
PII75166
PII71166
YES
YES
YES
YES
PII85166
PII81166
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Doc. SIE10166 Rev. 10 Page 18 of 28
3.8 LONG CONNECTION CABLES SET.
This option is the same as the former one, unless the first two cables, which are replaced with the
following ones.
CABLE #1 NO. 3 Cables for connection to Main contacts;
Cables (3G1,5) are 28 meters long and mounted
on cable roll. Cables are terminated with clamps.
NO.3 Cables for connection to CBA; Cables
(3G1,5) are 2 meters long and terminated on both
sides with safety 4 mm banana plug. Cables are
marked with label “1” .
CABLE #2 NO. 2 Cables for connection to Auxiliary
contacts; Cables (3G1,5) are 10 meters long
and terminated on both sides with safety 4
mm banana plug. Cables are marked with
label “2”.
3.9 TRANSIT CASE, CODE PII18166.
The transit case allows delivering CBA1000 with no concern about shocks up to a fall of 1 m.
Characteristics:
. Black plastic case;
. Dimensions: 670 mm (w) x 500 mm (h) x 350 mm (d).
. Weight : 9.5 kg.
. Provided with handle and wheels.
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Doc. SIE10166 Rev. 10 Page 19 of 28
3.10 SOFT PROTECTION BAG, CODE PII19166.
The soft protection bag hosts CBA1000 and protects it against dust and scratches.
3.11 DOUBLE EARTH TESTER BSG1000, CODES PII21166 AND PII22166.
BSG1000 is an external module, that allows measuring the main contacts timing even if both ends
of the CB are connected to ground, for enhanced safety. The option solves also the problems of
wrong detections when the connection cables are subject to a rather high induced current. Besides,
if the Circuit Breakers has a graphite nozzle, CBA1000 displays the timing at which the graphite is
engaged, and when the main contact is reached, thus allowing to check the deterioration of the
graphite.
The option does not allow to detect the pre-insertion resistance, as it is shunted by the ground
connections.
Two BSG1000 types are available:
- BSG1000-2, for testing two breaks per phase (PII21166);
- BSG1000-1, for testing one break per phase (PII22166).
Each BSG1000 is made of the following elements:
. No 3 BSG Remote Heads, of different types, connected close to the main breaker contacts.
a) Remote Heads for BSG1000- type1 :
. Measurement circuits for one contact;
. Each head has two cables, 2.5 m long, cross section 4 sq. mm, terminated with crocodile clamps,
for the current injection.
. Each head has one bipolar shielded cable, 3 m long, terminated with crocodiles, for the open /
close detection of the CB contacts.
- Each head has one 8 m long cable, terminated with a multi-pole connector, for the connection
between the remote head and the BSG Main unit.
b) Remote Heads for BSG1000- type 2 :
. Measurement circuits for two contacts;
. Each head has three cables, 2.5 m long, cross section 4 sq. mm, terminated with crocodile clamps,
for the current injection on two poles.
. Each head has two cables, 2.5 m long, cross section 4 sq. mm, terminated with crocodile clamps,
for the short circuit of noise.
. Each head has two bipolar shielded cable, 3 m long, terminated with crocodiles, for the open /
close detection of the CB contacts.
- Each head has one 8 m long cable, terminated with a multi-pole connector, for the connection
between the remote head and the BSG Main unit.
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Doc. SIE10166 Rev. 10 Page 20 of 28
. No 1 BSG1000 Main unit connected to the CBA1000 or CBA2000 breaker analyzer.
- N. 1 Nine-way connection cable of BSG Main Unit to CBA1000.
- N. 1 Three-way connection cable for synchronization.
- N. 1 Mains supply cable.
- N. 1 Grounding cable with crocodile.
Option characteristics:
. Number of main contact inputs (type BSG1000-1): 3, divided in three groups.
. Number of main contact inputs (type BSG1000-2): 6, divided in three groups of two each.
. Test current injection: 20 A dc nominal.
. Maximum test duration (each test): 1 s.
. Graphite nozzle test selection in the CBA1000 menu. In this instance, the contact with the graphite
is displayed as an intermediate thickness line. The relevant timings are reported.
. Mains supply:
.. From 85 to 265 V AC; 50-60 Hz,
.. From 100 to 350 V DC.
. Maximum supply current: 1 A @ 85 V AC.
Weights and dimensions
BSG1000 main unit
. Housing: aluminium case, with hinged removable cover and handles.
. Weight: 7 kg
. Dimensions: 325 x 180 x 285 (W x H x D)
BSG1000 measuring heads (three units)
. Housing: die-cast aluminium case.
. Weight: 0,7 kg (no cables)
. Dimensions: 125 x 56 x 125 (W x H x D)
The design below refers to the BSG1000-2 type.
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Doc. SIE10166 Rev. 10 Page 21 of 28
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Doc. SIE10166 Rev. 10 Page 22 of 28
3.12 TRANSDUCERS.
We have a set of optional transducers, linear and rotating. Linear transducers have different strokes,
and also different IP protections: low for the TLH series, high for the LWG series. A mounting kit
is also available. The table summarizes characteristics and codes.
TYPE
DESCRIPTION
STROKE (mm)
CODE
LINEAR
TLH150
150
PII11166
LINEAR
TLH225
225
PII12166
LINEAR
TLH500
500
PII13166
LINEAR
LWG150
150
PII26166
LINEAR
LWG 225
225
PII27166
LINEAR
LWG 500
500
PII28166
ROTATING
-
-
PII14166
-
MOUNTING
KIT
-
PII16166
The mounting kit includes the following materials:
. N. 1 Magnetic support (1). The magnetic base is 50 x 80 mm;
. N. 1 Adaptive arm (2). The length of the two parts are 130 and 160 mm, the maximum distance is
290 mm;
. N. 1 Small mechanical clamp (3). The maximum opening is 40 mm;
. N. 1 Big mechanical clamp (4). The maximum opening is 65 mm;
. N. 1 Support for the rotating transducer (5). Purpose of the magnetic support or clamps is to
provide the base for the arm. To the other end of the arm is screwed to rotating transducer support.
The kit is included into a plastic transport case. The following picture shows the open case.
1
2 3 4
5
6
7
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Doc. SIE10166 Rev. 10 Page 23 of 28
. N. 1 Connection cable (6), 10 m long.
. N. 1 Rotary transducer (7) (or linear transducer, or both).
The rotating transducer comes with its flexible joint. The sketch of the joint is the following one.
3.13 HALL EFFECT CLIP-ON TRANSFORMER, CODE PII29166.
Hall effect clip-on transformer: it allows measuring the DC current of motors and of the auxiliary
supply. Main characteristics:
. Metering: AC and DC currents.
. DC measurement null with a knob.
. Ranges: 10 mV/A, 80 A DC, 40 A AC maximum, and 1 V/A, 2 A DC, 1.5 A AC maximum.
. Low battery indicator.
. Measurement errors: 4% of reading + 20 mA for the 80 A range; 2% of reading + 5 mA for the 2
A range.
. Phase shift (up to 65 Hz): maximum 1°.
. Maximum working voltage: 600 V rms.
. Power supply: alkaline 9 V battery, type 6 LR 61.
. Service life: 70 h typical.
. Maximum cable diameter: 10 mm.
. Weight: 330 g.
. Dimensions: 65 mm wide (clamp closed); 36 mm thick; 230 mm long.
20 mm dia.
10 mm dia.
12 mm
40 mm
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Doc. SIE10166 Rev. 10 Page 24 of 28
4 PROTECTIO NS
- Fuse on the mains supply.
- At power-on, a diagnostic sequence controls the microprocessors. If something is wrong, the
operator is alerted by a message.
- The test is started pressing the START pushbutton, and then also pushing the multifunction knob.
- During the test, the circuits driving the coils give alarm messages in case of: selected current range
exceeded; coil driver over-temperature.
- During the test, if the trigger criteria (coil current, auxiliary input, analog input) is not met within
the maximum test time, the test set displays a warning message.
- The 5 V transducer supply is protected against short circuit on the output, and against contact with
a voltage up to ± 500 V. In both instances, the circuit is not damaged.
- All inputs and outputs are isolated between them.
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Doc. SIE10166 Rev. 10 Page 25 of 28
APPENDIX A: MENU SEL ECTIONS
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
1 TRIGGER OPTIONS
1 Coil current
% of range (1 to 99)
2 Coil command
3 Coil command
reset
4 Analog input
1 Threshold, + or 2 Input range
5 External trigger on
Slave input
6 Auxiliary input
1 Channel number
2 Logic level: NO, NC,
TRANSITION
3 Logic: AND, OR
2 TEST OPTIONS
1 Open
A, B, C, AB, BC, CA, (*)
2 Close
3 Open – Close
4 Close – Open
5 Open – Close –
Open
6 With 4 coils option
MTC timing
7 Optional MTC
1 Low battery test
2 MTC threshold
3 MTC timing
8 Tolerances
Max trip time
Max close time
Pole discrepancy open
Pole discrepancy close
Contact discrepancy
open
Contact discrepancy
close
3 RECORDING
OPTIONS
1 Open coil duration
2 Close coil duration
3 Open to close delay
4 Close to open delay
5 Pretrigger duration
6 Sample frequency
7 Recording duration
8 Two recordings
1 First duration
2 Dead time
3 Second duration
9 Help diagram
Timing diagram
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Doc. SIE10166 Rev. 10 Page 26 of 28
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
4 BREAKER AND
AUXILIARY
CHANNEL SETTINGS
1 Breaker contacts
A1; A1+B1+C1; all
2 Pre-insertion
resistor test
Enable/disable
3 Auxiliary inputs 12
Enable/disable; label;
dry/wet
4 Auxiliary inputs 34
Enable/disable; label;
dry/wet
5 ANALOG
CHANNEL/COILS
SETTINGS
1 Close coil range
2.5,10,25 A
2 Open coils range
2.5,10, 25 A
3 Analog input
1 Enabled
2 500 V input range,
label
500,50,5 V DC
2.1 AC input
Yes, no
3 Travel transducer
Input: 5 V, 500 V
Label
Phase
Transducer: U.M.;
Transducer: max
stroke
Supply: 5V int, ext
Breaker: U.M.;
Breaker: stroke;
Nominal
transducer stroke
Travel transducer
calibration
Open position, %
Closed position,
%
Actual tr. stroke,
%
Tr. stroke error, %
Actual bk. stroke,
%
Bk. stroke error,
%
Datum points
definition
Enable
From open to closed
At open position
At closed
position
At CB opening
A point set-up
B point set-up
* Only with the four coils option
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Doc. SIE10166 Rev. 10 Page 27 of 28
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
From closed to open
At open position
At closed position
At CB opening
A point set-up
B point set-up
Slow motion
A bound
B Bound
B position
A extra stroke
B extra stroke
CB stroke
4 Pressure
transducer
Input: 5 V, 500 V
1 U.M. (Bar, ..)
2 Pressure at zero
voltage
3 Volt per pressure
5 Clip-on transformer
Input: 5 V, 500 V
1 Label
2 I/V ratio
3 Max I
6 MICROOHMMETER
1 Disabled
2 Static contact
resistance
1 Nominal test
current
20, 100, 200 A
2 Resistance range
200uOhm; 1; 10;
100 mOhm
3 Test mode
1 Single
2 Breaker phase
3 Hybrid type
3 Dynamic contact
resistance
1 Nominal test
current
20,100, 200 A
2 Resistance range
200uOhm; 1; 10;
100 mOhm
Transducer test
Yes, no
7 RESULTS
1 Save result
Result name
2 Load result
List of results
3 View result
List of results
4 Delete result
List of results
5 Rename result
List of results
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Doc. SIE10166 Rev. 10 Page 28 of 28
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
8 PREFERENCES
1 Date and time
2 Display
1 Contrast
2 Backlight duration
3 Time measurement
ms; 60 Hz cycles; 50
Hz cycles
4 Buzzer
Yes - No
5 Print diagrams
Yes - No
6 Filtered waveforms
Yes-No
7 Original waveforms
Yes-no
9 SETUP options
1 Save setup
Name
2 Load setup
List of files
3 Delete setup
List of files
4 Show setups
Name; trigger…
5 Show current setup
Name; trigger…
6 Restore default
10 Tests header
Plant, feeder..
11 Test diagram
Diagrams
Setup shortcut
Results table
Select display wave
MicroOhm shortcut
Menu access
Function keys Help
Zoom in-out
Time measurements
Print
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