ABB SACE PR010/T User manual

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SACE PR010/T test unit instructions

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ABB SACE SACE PR010/T
Contents
1. SAFETY NOTES ....................................................................................... 3
2. DEFINITIONS AND ABBREVIATIONS ............................................... 4
3. GENERAL INFORMATION ................................................................... 4
3.1. INTRODUCTION ........................................................................................ 4
3.2. PUT IN SERVICE ....................................................................................... 5
3.3. GENERAL DESCRIPTION ............................................................................ 5
4. FUNCTIONS.............................................................................................. 6
4.1. TEST FUNCTIONS ..................................................................................... 6
4.1.1. Trip test ........................................................................................ 6
4.1.2. Protection functions test ............................................................. 6
4.1.3. Communication functions test..................................................... 7
4.2. PROGRAMMING FUNCTION ......................................................................... 7
4.3. PARAMETER READING FUNCTION ............................................................... 8
4.4. PROTECTION UNIT INTERFACE ................................................................... 8
4.5. PC INTERFACE ........................................................................................ 8
4.6. TEST REPORT .......................................................................................... 8
4.7. SPECIAL FUNCTIONS ............................................................................... 10
5. SOFTWARE............................................................................................. 11
5.1. DESCRIPTION ........................................................................................ 11
5.1.1. Report downloading .................................................................. 12
5.1.2. Test unit configuration .............................................................. 12
5.1.3. Software updating ..................................................................... 12
5.2. COMMUNICATION WITH PC .................................................................... 12
5.2.1. SW updating procedure ............................................................. 12
5.2.2. Test report downloading procedure .......................................... 14
5.2.3. Test report erasing ..................................................................... 15
5.3. Protection Unit Reference ......................................................... 15
6. TECHNICAL SPECIFICATIONS ........................................................ 16
6.1. USER INTERFACE ................................................................................... 16
6.2. POWER SUPPLY ...................................................................................... 16
6.3. INPUTS/OUTPUTS .................................................................................. 17
6.4. MECHANICAL SPECIFICATIONS ................................................................. 17
6.5. STANDARD EQUIPMENT .......................................................................... 18
6.6. APPLICABLE STANDARDS ........................................................................ 18
6.7. ERROR MESSAGES AND TROUBLESHOOTING TABLE ...................................... 19
6.8. NOTES ................................................................................................. 21

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1. Safety notes
IMPORTANT: This symbol indicates information about procedures
or situations that may cause injury to personnel, damage to the unit or
financial loss.
Important!
Carefully read the entire contents of this handbook. Damage resulting from failure
to comply with the instructions given in this handbook effectively invalidates the
terms of guarantee. The manufacturer declines all liability for damage to the unit
caused by incorrect or improper usage.
ABB SACE also declines all liability for any ensuing damage or injury.
Do not use the unit in damp or wet environments.
If in doubt about the safety of the unit, take it out of service to prevent inadvertent
usage.
The units safety may be impaired if:
1. the unit shows visible signs of damage
2. the unit does not work
3. the unit is stored for a long period or has incurred damage during shipment.
Do not switch on the unit immediately after having transferred it from a hot
environment to a cold one, since the resultant condensation may damage or destroy
the unit. Wait until the unit adapts to the new ambient temperature before switching
it on.
Never leave discharged batteries inside the unit since the battery fluid may leak
and damage the unit.
Do not use abrasive detergents, petrol or alcohol etc. to clean the unit since these
may damage the units surface.

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2. Definitions and abbreviations
3. General information
3.1. Introduction
The SACE PR010/T test unit is designed to Test, Program and Read the parameters
of the protection units mounted on ABB SACE circuit breakers (both moulded-
case and air circuit breakers). For further information about specific functions,
refer to the corresponding protection unit. All functions are executed onboard
by connecting the SACE PR010/T test unit to the connector present on the front of
the protection units. The unit can perform both automatic and manual tests, as
well as trip tests.
The test units software may be updated simply by connecting it to a PC (using the
diskette supplied byABB SACE or the software downloaded from our ABB Internet
site). The unit can also save important test results, which may then be downloaded
to a PC following a request for a test report.
The SACE PR010/T test unit is a portable instrument operated by rechargeable
batteries and/or an external power supply.
Abbreviation Description
CB Circuit breaker (for example: ABB SACE Emax and Isomax
circuit breakers).
DUT Device Under Test.
HW Hardware: the physical and electronic components that make
up the device.
Password Secret password which denies unauthorised access to certain
SACE PR010/T functions.
PC Personal Computer.
Release Protection unit otherwise known as a protection release.
SW Software: the programs used by the microprocessors to
execute a set of programmed functions/tasks.
CT Current transformer
Trip test Special test designed to trip the C.B.
TT1 ABB SACE trip test unit for use with some releases.

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3.2. Put in service
To place the SACE PR010/T unit into service, proceed as follows:
·Fit the batteries in the corresponding battery compartment (13), taking care
to check the polarity before connecting the batteries.
·Connect the external power supply to the 12 Vdc outlet (11).
Wait for the batteries to charge (when the SACE PR010/T unit is switched
off, the battery charge status bar is stationary). Even when the batteries are
discharged, the unit can still operate if connected to the external power supply.
3.3. General description
1. Cable connector for connection to circuit breaker protection unit
2. Backlit LCD display (4 x 20-character lines) to display messages and test
results
3. Cable connector for connection to Personal Computer
4. Green/red unit status indicator led (power on  stand-by)
5. Stop test or special functions key
6. Return/cancel key
7. Arrow selection and setting keys
8. Alphanumeric setting and control keyboard
9. Confirm key
10. Red battery charge status indicator led
11. External power supply socket
12. Unit on/off switch
13. Battery compartment
14. SACE PR010/T unit serial number

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4. Functions
4.1. Test functions
The SACE PR010/T test unit tests protection units by monitoring both their HW
and SW components. The unit performs the following tests:
- Trip test: by means of SACE TT1 unit
- Protection functions test
- Communication functions test
4.1.1. Trip test
The trip test tests the operation of the microprocessor, release and opening solenoid
chain. This test may also be performed with the circuit breaker closed.
Such test is performed by means of SACE TT1 unit.
For safety reasons, the current flow inside the circuit breaker must
be zero during testing.
For this reason, the current flow is automatically monitored before testing and
registered as zero if the reading detected is below a preset value.
4.1.2. Protection functions test
The device under test is powered up and the fault condition for the protection
function to be tested is simulated. In case of units provided with internal bus, the
internal status of the protections (alarm and trip messages etc.) may also be
monitored.
In case of certain releases, the type of release and circuit breaker and the rated
current of the CTs installed are also automatically identified.
For safety reasons, protection function tests must only be performed
with the circuit breaker open.
These tests may be performed in both automatic and manual mode.
·Automatic mode: releases equipped with internal bus (see electrical diagrams
in Technical Catalogue) are automatically tested. The PR010/T unit is in fact
capable of self-learning the protection parameter settings and, based on these
parameters, to generate a fault signal for each function in order to test the
delay. In the event of an anomaly, the type of error detected is indicated by the

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corresponding message (setting or delay error). This sequence is automatically
repeated on all unit functions. Testing may be interrupted at any time using
the STOP button, thereby restoring the original conditions/settings of the
protection unit prior to testing. In the case of releases not equipped with
internal bus, the user must preset the protections before testing.
·Manual mode: this test may be performed on any type of protection. In this
case, the user must set all the protection parameters before testing. During
manual testing, the user selects the type of device to be tested from a menu,
whereupon device protection functions and settings are displayed so that the
user can set the required test parameters. If the user selects an intermediate
setting in relation to those actually available, the SACE PR010/T test unit
will automatically convert it to the highest one. The fault may be simulated
either separately or simultaneously on any combination of phases L1, L2, L3
and NE.
4.1.3. Communication functions test
The SACE PR010/T test unit can also test the serial communication circuits of
the protection releases.
4.2. Programming function
Using the SACE PR010/T test unit, the type of releases with internal bus mounted
on ABB SACE circuit breakers can be programmed.
You can also program all the protection function parameters (setting, curve,
interlock parameters etc.). The parameter-programming function does not interrupt
the normal operation of the protection unit, although parameters cannot be set if a
protection alarm is pending.
The SACE PR010/T test unit will not set parameters outside the permitted range.
A message is displayed at the end of programming to indicate that the parameters
have been successfully programmed.
Each operating parameter modified must first be confirmed before it is saved. In
the event of a programming error, simply press the ESC key to cancel the last
entry/action.

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4.3. Parameter reading function
If the SACE PR010/T test unit is connected to releases with internal bus, its
possible to read the main parameters of the protection units.
At the users express request and, subject to availability, the SACE PR010/T test
unit can provide information about the following:
- protection status (settings, alarms, trips etc.)
- circuit breaker status (number of circuit breaker operations, contact wear etc.)
- phase, neutral and earth fault current readings.
The parameter reading function is permanently available, irrespective of the
protections, and CB status.
4.4. Protection unit interface
The SACE PR010/T test unit can perform all the operations described above
without drawing-out the protection units from the circuit breakers. The test unit
is in fact connected to the releases by a set of cables each fitted with a special
connector.
The SACE PR010/T test unit is connected to the various types of release using the
specific cables for each type of release.
4.5. PC interface
The SACE PR010/T test unit is fitted with a connector (3) for connection to a PC
(standard RS232 serial port). This interface is used to update the units software
and download test reports.
4.6. Test report
The SACE PR010/T test unit can save the main test results in order to compile a
test report. The unit can, store up to five test reports.
The unit also saves test data, even when disconnected from the power supply.
Test results are downloaded to a PC when the user requests a test report.
After a group of test reports is downloaded in the PC its advisable to delete them
from the PR010/T in order to have enough free memory available for new reports.
The test report contains the following information, which is both automatically
supplied by the unit and manually entered by the user:

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-date and time of test
-operator name Manually entered by user
-description of circuit breaker
-unit serial number (Sr. Nr.)
Automatycally supplied for
-type of unit tested electronic releases with internal
bus only
The following information is
automaticallyindicated for each protection function tested:
- type of protection
- setting selected
- curve selected
- phase tested
- test current
- expected trip time
- actual trip time
- test result
Test report example:
TEST REPORT WITH SACE PR010/T
SW Version: 3.2
********************************
Date: 03/05/00
Hour: 13:55
Operator: Belometti
Relay S.Nr.: M0047C03B
Relay type: PR112
Relay version: LSIG
CB type: E1B800
CT rated current: 250 A
Neutral: 50%
********************************
Protection: L
Threshold [In]: 0.400
Curve [s]: 3.00
Curve type: t=k/i^2
Tested phase(s): L1
Fault current [In]: 2.40
Expected time [s]: 0.750

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4.7. Special functions
With regards to the setting of the protection parameters is possible to carry-out
several tests by using different settings and curves to identify the optimum program
for the circuit breaker/installation .
The test unit can memorise a special frequent use program for each of the
protection units that may be electronically programmed (Define default).
The manual test function also enables a general current to be introduced into the
release in order to test the trip time (a particularly useful function for selectivity
studies between two or more circuit breakers).
Measured time [s]: 0.761
Test result: OK
Protection: S
Threshold [In]: 0.800
Curve [s]: 0.35
Curve type: t=k/i^2
Tested phase(s): L1
Fault current [In]: 1.60
Expected time [s]: 13.668
Measured time [s]: 10.956
Test result: OK
Protection: I
Threshold [In]: 4.000
Curve [s]: inst
Curve type: t=k
Tested phase(s): L1
Fault current [In]: 8.00
Expected time [s]: 0.060
Measured time [s]: 0.011
Test result: OK
Protection: G
Threshold [In]: 0.400
Curve [s]: 0.10
Curve type: t=k/i^2
Tested phase(s): -
Fault current [In]: 1.50
Expected time [s]: 0.320
Measured time [s]: 0.304
Test result: OK