OCS Outlet Cassette System User manual

Outlet Cassette System
Brand
OCS
Model
Outlet Cassette System
Type
User manual
Version: 6, September/2020
Designed and manufactured in Australia by Ampcontrol Pty Ltd
OCS
OUTLET CASSETTE SYSTEM
User Manual
Ampcontrol Pty Ltd – ABN 28 000 915 542
OCS USER MANUAL
MAG-182 Version 6 – September/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 2 of 72
WARNING!
The warning symbol highlights a potential risk of injury or death.
Please share these warnings with other operators.
CAUTION!
The caution symbol highlights a potential risk of damage to
equipment.
Please share these cautions with other operators.
NOTE
The note symbol highlights key information.
Please share these notes with other operators.
ENVIRO
The enviro (environmental) symbol highlights areas which may have an
impact on the surrounding fauna and/or flora.
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Copyright Notice
The Ampcontrol OCS described in this document is the property of AMPCONTROL PTY LTD. It is
furnished under a license agreement and is to be used only in accordance with the terms of the
agreement.
No part of the hardware or documentation may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language or computer language, in any form or by any means,
without prior written permission of AMPCONTROL PTY LTD.
Disclaimer
While every effort has been made to assure the accuracy and clarity of this document, AMPCONTROL
PTY LTD assumes no liability resulting from any omissions in this document, or from misuse of the
information obtained herein. The information in this document has been carefully checked and is
believed to be entirely reliable with all of the necessary information included. AMPCONTROL PTY LTD
reserves the right to make changes to any products described herein to improve reliability, function, or
design, and reserves the right to revise this document and make changes from time to time in content
hereof with no obligation to notify any persons of revisions or changes. AMPCONTROL PTY LTD does
not assume any liability arising out of the application or any use of any product or circuit described
herein; neither does it convey license under its patent rights or the rights of others.
Before You Begin
Thank you for purchasing the Ampcontrol Outlet Cassette System.
WARNING!
In the interests of safety and correct equipment operation, please
take the time to read and understand the content in this manual.
Ampcontrol Contact Details
7 Billbrooke Close, Cameron Park, NSW, 2285
P +61 1300 267 373 | F +61 2 4903 4888
EMAIL: customerservice@ampcontrolgroup.com
WEB: ampcontrolgroup.com
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TABLE OF CONTENTS
1 SAFETY AND OTHER WARNINGS .................................................................. 8
1.1 Safe Use of Equipment .............................................................................. 8
2 RECEIVING AND STORAGE .......................................................................... 10
2.1 Receiving ................................................................................................. 10
2.2 Inspection ................................................................................................ 10
2.3 Storage after Delivery .............................................................................. 10
2.4 Unpacking of Equipment .......................................................................... 10
3 PRODUCT OVERVIEW .................................................................................. 11
4 INSTALLATION ............................................................................................... 14
4.1 General Warnings .................................................................................... 14
4.2 Mandatory Installation Practices .............................................................. 15
4.3 Mechanical Arrangement ......................................................................... 16
4.4 Electrical Installation Information ............................................................. 17
4.5 External Accessories ............................................................................... 18
5 COMMISSIONING AND CALIBRATION ......................................................... 19
5.1 Earth Leakage ......................................................................................... 19
5.2 Residual Voltage ...................................................................................... 19
5.3 Earth Fault Lockout .................................................................................. 19
5.4 Earth Continuity ....................................................................................... 19
5.5 Insulation Test (High Voltage) .................................................................. 19
5.6 Over Current/Motor Overload Current Injection ........................................ 20
5.7 Short Circuit Current Injection .................................................................. 20
5.8 Main Contactor Fail .................................................................................. 20
5.9 Voltage Measurement .............................................................................. 20
5.10 RTX ....................................................................................................... 20
6 PRODUCT OPERATION ................................................................................. 21
6.1 Outlet Control........................................................................................... 21
6.2 Control of Resets ..................................................................................... 21
6.3 Internal Trips ............................................................................................ 22
6.4 Events Log ............................................................................................... 23
6.5 Protection Element Parameters ............................................................... 26
6.6 Time and Date ......................................................................................... 28
6.7 Cassette Isolation & Earthing (OCS Only) ................................................ 28
7 AS/NZS 2081:2011 PROTECTION FUNCTIONS ............................................ 30
7.1 Earth Leakage ......................................................................................... 30
7.2 Residual Voltage ...................................................................................... 31
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7.3 Earth Continuity ....................................................................................... 32
7.4 Earth Fault Lockout .................................................................................. 34
7.5 Main Contactor Protection ....................................................................... 36
8 CURRENT RELATED PROTECTION FUNCTIONS ........................................ 39
8.1 Inverse Time Protection ........................................................................... 39
8.2 Short Circuit ............................................................................................. 44
8.3 Current Balance ....................................................................................... 45
8.4 Under Current .......................................................................................... 46
9 OTHER PROTECTION FUNCTIONS .............................................................. 46
9.1 Under Voltage .......................................................................................... 46
10 SERVICE, MAINTENANCE & DISPOSAL ..................................................... 47
10.1 Equipment Service ................................................................................. 47
10.2 Equipment Maintenance ........................................................................ 48
10.3 Disposal ................................................................................................. 48
11 SPECIFICATIONS ........................................................................................ 49
11.1 Cassette Specifications .......................................................................... 49
11.2 Protection Element Specifications .......................................................... 49
12 EQUIPMENT LIST ........................................................................................ 52
APPENDIX A: PROTECTION ELEMENT LOAD CURRENT TABLES ................ 53
A1: Protection Element Full Load Current Table ............................................ 53
A2: Protection Element TMS Table ................................................................ 55
APPENDIX B: DRAWINGS ................................................................................ 57
APPENDIX C: APPROVALS .............................................................................. 63
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TABLE OF FIGURES
Figure 3.1: Ampcontrol Outlet Cassette System (OCS) .......................................................................... 11
Figure 3.2: Ampcontrol Fixed Cassette System (FCS) ............................................................................ 12
Figure 4.1: 2-Way OCS Dimensions (Pictured with 2 Cassettes Installed) .............................................. 16
Figure 4.2: 3-Way OCS Dimensions (Pictured with 3 Cassettes Installed) .............................................. 16
Figure 4.3: FCS Dimensions (Pictured with 5 Cassettes Installed) ......................................................... 17
Figure 4.4: Remote Termination Unit (RTX) ........................................................................................... 18
Figure 6.1: Actuator position within chassis ............................................................................................ 29
TABLE OF TABLES
Table 1: Definitions ................................................................................................................................... 7
Table 2: Event Log Entry Types ............................................................................................................. 23
Table 3: Outlet Parameter Descriptions .................................................................................................. 26
Table 4: Load Parameter Descriptions ................................................................................................... 27
Table 5: Protection Element - Earth Leakage Trip Characteristics .......................................................... 30
Table 6: Protection Element - Earth Leakage CT Failure Trip Characteristics ........................................ 31
Table 7: Protection Element – Residual Voltage Trip Characteristics ..................................................... 31
Table 8 Protection Element - Earth Continuity Series Trip Characteristics .............................................. 33
Table 9: Protection Element - Earth Continuity Shunt Trip Characteristics .............................................. 33
Table 10: Protection Element - Earth Continuity Pilot Interlock Trip Characteristics ................................ 34
Table 11: Protection Element - Earth Fault Lockout (EFLO) Trip Characteristics .................................... 35
Table 12: Protection Element – High Voltage Insulation Test Characteristics ......................................... 35
Table 13: Protection Element – Voltage Detection (Loss of Vacuum) Trip Characteristics ...................... 36
Table 14: Protection Element – Frozen Contactor Trip Characteristics ................................................... 37
Table 15: Protection Element – Contactor Close Fail Trip Characteristics .............................................. 37
Table 16: Protection Element – External Open Trip Characteristics ........................................................ 38
Table 17: Protection Element – Coil Voltage Detection Trip Characteristics ........................................... 38
Table 18: Protection Element – Over Current Trip Characteristics .......................................................... 39
Table 19: Protection Element – Motor Overload Trip Characteristics ...................................................... 41
Table 20: Protection Element – Short Circuit Trip Characteristics ........................................................... 44
Table 21: Protection Element – Current Balance Trip Characteristics ..................................................... 45
Table 22: Protection Element – Under Current Trip Characteristics ........................................................ 46
Table 23: Protection Element – Under Voltage Trip Characteristics ........................................................ 46
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DEFINITIONS
Table 1: Definitions
Term
Definition
Cassette
A Cassette is the unit that is installed within Outlet Cassette System (OCS)
or Fixed Cassette System (FCS). There are two types: FCS Cassettes and
OCS Cassettes.
Each Cassette houses a Protection Element, phase current transformers
and main contactor components.
CB
Circuit Breaker; Main circuit breaker that controls power to all outlets.
CBR
Circuit Breaker Relay; power relay within the Cassette Protection Element
to control the supply to the circuit breaker coil. The Protection Element’s
CBR output is designed for use with under voltage tripping coils.
FCS
FCS is the acronym for the Ampcontrol Fixed Cassette System.
MC
Main Contactor; the main power circuit opening device. Installed within the
Cassette, the main contactor is opened and closed in order to turn the
outlet on and off.
MCR
Main Contactor Relay; power relay installed within the Cassette Protection
Element to control the supply to the main contactor coil. All trip times
specified are to the opening of the MCR.
OCS
OCS is the acronym for the Ampcontrol Outlet Cassette System
Parameter Dongle
A small memory device which is used to store setting information for the
MEM and RTX modules which is attached to the wiring harness of the
installation.
Protection Element
The Protection Element is installed in each Cassette, providing a host of
protection functions for the outlet.
RTX
Remote Termination Device; Module that is installed at the machine end of
the pilot to provide machine identification and communications.
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1 SAFETY AND OTHER WARNINGS
For safety reasons, the OCS must be installed, operated and serviced only by competent personnel.
Please read and understand this instruction manual completely before installing, operating or servicing
this equipment. Failure to install or operate this instrument in accordance with the instructions contained
in this manual may create hazardous operating conditions.
1.1 Safe Use of Equipment
The equipment supplied has been designed and manufactured to ensure safe operation. The equipment
must only be used within the design parameters.
The instructions within this manual must be observed as an aid towards achieving the safest possible
installation.
Persons responsible for installation, maintenance, or operation, must observe the following
instructions:
1.1.1 Changes to Equipment
Changes in the design and modifications to the equipment are not permitted. Unauthorised changes
made to the hardware or operating firmware will void the manufacturer's warranty, and may
compromise the integrity of the system into which it is installed and other connected equipment.
1.1.2 Equipment Knowledge
Experience with, or understanding of, this equipment is essential for the safe installation and removal of
the equipment. Therefore, please read and understand this manual prior to use. Competency based
training courses are recommended and are available on request.
1.1.3 Manual Handling
Precautions have been taken to ensure all equipment is safe to handle and free from sharp edges.
However care should always be taken when handling enclosures and gloves should be worn.
1.1.4 Installation
Correct operation and safety depend on the OCS and associated equipment being installed correctly.
Mechanical and or electrical installation and maintenance of plant and equipment must only be carried
out by appropriately qualified personnel and must be tested thoroughly prior to operation.
1.1.5 Operation
As safety depends on the OCS functioning correctly it is highly recommended that all safety functions
of the OCS be periodically tested to ensure correct operation.
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1.1.6 Certification
WARNING!
To comply with the Conditions of Certification, ensure full serviceable
life of the product, and avoid nullifying the warranty, it is essential to
exercise great care with the installation, use and storage of the system
components. Failure to comply with the Conditions of Certification may
seriously compromise the integrity of the system and/or its components,
and the consequence could be fatal. The user must ensure that the
"Special Conditions" outlined in the certificate and associated
attachment is met or the certificate (and the I.S. rating) will not be valid.
Refer to the relevant section of the safety file for copies of certificates of conformity outlining the
special conditions of the certification for the explosion protected equipment or components.
The latest certificate and its associated attachments outlining the special conditions of the
certification are maintained and available on the IEC Ex Website: http://iecex.iec.ch.
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2 RECEIVING AND STORAGE
2.1 Receiving
All possible precautions are taken to protect the equipment against damage or losses during shipment,
however before accepting delivery, check all items against the packing list or bill of loading. If there is
evidence of physical damage, notify Ampcontrol immediately.
Notify Ampcontrol immediately in case of any discrepancies to the packing list. Keep a record of any
claims and correspondence. Photographs are recommended.
Where practicable do not remove protective covers prior to installation unless there are indications of
damage. Boxes opened for inspection and inventory should be carefully repacked to ensure protection of
the contents or else the parts should be packaged and stored in a safe place. Examine all packing
boxes, wrappings and covers for items attached to them, retain and store any approval documentation
for your safety file as applicable prior to wrapping being discarded.
2.2 Inspection
Equipment that is found to be damaged or has been modified away from its published specification must
not be used. Please contact Ampcontrol if the equipment is suspected to be different than that ordered or
if it does not match the published specifications.
2.3 Storage after Delivery
When the equipment is not to be installed immediately, proper storage is important to ensure protection
of equipment and validity of warranty.
All equipment should be stored indoors between 0-40˚C, preferably on shelves and protected from
moisture and sunlight.
2.4 Unpacking of Equipment
The method of packing used will depend on the size and quantity of the equipment. The following
cautions should be interpreted as appropriate.
CAUTION!
Take care when unpacking crates as the
contents may have shifted during transport.
ENVIRO
The disposal of packaging materials, replaced parts, or components
must comply with environmental restrictions without polluting the soil,
air or water.
Ensure that any timber and cardboard used as packaging is disposed
of in a safe and environmentally responsible manner.
Where possible, dispose of all waste products i.e. oils, metals, plastic
and rubber products by using an approved recycling service centre.
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3 PRODUCT OVERVIEW
The Ampcontrol Outlet Cassette System (OCS) is a major advancement in control and protection
technology. The OCS combines the outlet contactor, protection element, current transformers and outlet
test circuitry into a single replaceable unit. This has the advantage of resulting in minimal down-time in
the event of a fault.
The Ampcontrol OCS is available in two types: the standard OCS and the Fixed Cassette System (FCS).
The OCS provides isolation and earthing of individual outlets via integrated actuators that are controlled
at the touch of a button via a Human Machine Interface (HMI) screen. In this manner, operators are not
exposed to potential electric shocks resulting from residual static charge on the cable. This also
eliminates a potential ignition source of an explosive atmosphere.
Figure 3.1: Ampcontrol Outlet Cassette System (OCS)
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The FCS (1.1kV systems only) sacrifices the remote isolation and earthing functionality of the OCS to
provide a higher outlet density. Due to the compact nature of the FCS, 10 outlets are able to be installed
in the same area used by a conventional 8 outlet system. The FCS is designed as a fully bolted, non-
withdrawable installation, whilst still minimising downtime by providing fast and easy removal of the
cassette protection components.
Figure 3.2: Ampcontrol Fixed Cassette System (FCS)
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Key Features:
Individual outlet isolation and earthing system (OCS)
Operations via HMI interface
Ethernet communications
Cassette Protection Element
All electrical protection functions are provided by the new generation OCS Protection Element and
include:
Earth Leakage
Earth Fault Lockout
Earth Continuity (including remote start mode)
Contactor Failure protection
Motor thermal overload protection
Short circuit protection
Under current protection
Current balance protection
Under voltage protection
Automatic HV insulation test prior to outlet closing
Machine identification.
The following Control and Monitoring functions are accessed via the Ethernet/IP communications:
Monitoring of key parameters for all protection functions
Protection settings and parameter adjustments
Statutory tests
Resetting of protection trips
Outlet control (starting and stopping)
The status of all protection functions and control logic.
All control of outlet(s) is from the HMI screen.
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4 INSTALLATION
4.1 General Warnings
These instructions have been designed to assist users of the OCS with installation.
Before the OCS can be installed, there are a number of things that need to be considered and
understood to prevent incorrect or unsafe operation of the OCS or the system into which it is installed.
Along with relevant competence, and an understanding of the target application, the following points
should be considered:
4.1.1 Ensure that the information provided in this user manual is fully understood.
It is extremely important that the limitations and functionality of the OCS are understood to prevent
incorrect installation and use from creating a potentially dangerous risk. If in doubt as to the nature of
the limitations or their implication, refer to the installation’s safety dossier or consult a competent
authority such as a supervisor or Ampcontrol technical representative.
4.1.2 Ensure that the application into which the OCS is being installed has been
properly defined, designed and approved.
Any system intended to mitigate the risk of injury needs to be properly designed and implemented.
Such a system must be the result of structured risk analysis with the outcomes used to define the
system requirements. These requirements, in turn, will guide the choice of instrumentation, logic
solvers and actuators needed to implement the system. Understanding the needs of the system will
ensure proper selection of equipment.
4.1.3 Ensure that the OCS will properly perform the required functions within the
system design.
It is important to understand how the OCS is intended to interact with other equipment within a system.
For safe and reliable use, it is crucial that neither the OCS’s logical operation nor its signalling be
compromised by incompatibilities with connected equipment.
4.1.4 Modifications of any form to the OCS are prohibited.
The OCS as supplied has been designed and manufactured to comply with the requirements of
protection standards. If modifications of any form are made to the OCS, the equipment may no longer
be fit for purpose. If any modifications or damage to the OCS is evident, do not use the equipment and
contact Ampcontrol for advice.
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4.2 Mandatory Installation Practices
The following information must be adhered to when installing the OCS. Failure to adhere to this
information may give rise to unsafe operation.
Using the OCS in a manner that exceeds its electrical, functional or physical specifications, or in a way
that is contrary to its operating restrictions, may create risks to personnel and/or equipment resulting in
injury or death.
The OCS is to be installed in an electrical system having a fault level equal to or less than as
marked on the name plate.
The OCS’s control supply must remain within the specified voltage range.
The installation of the OCS must be carried out by suitably trained and qualified personnel.
Identification labels fixed to the OCS must not be damaged, removed or covered.
The installation is to be in accordance with the relevant installation Standards/Codes of Practice.
Modifications must not be made to any part of the OCS. As supplied, the unit is built to, and
complies with the relevant standards. Modifications to its construction will render the unit non-
compliant.
Complete and accurate records of the installation must be kept as part of the site installation.
The equipment is to be maintained as per the conditions as listed in the certification
documentation.
NOTE
If the OCS is to be used in a hazardous environment, it must be
installed within suitably certified flameproof enclosure.
NOTE
The equipment is to be operated within an ambient temperature range
of - 20°C to + 40°C.
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4.3 Mechanical Arrangement
4.3.1 OCS Dimensions
The OCS is available in two sizes: the 2-Way OCS and the 3-Way OCS. These modules are designed
to be stacked on top of each other, allowing the best utilisation of the installation area.
Figure 4.1: 2-Way OCS Dimensions (Pictured with 2 Cassettes Installed)
Figure 4.2: 3-Way OCS Dimensions (Pictured with 3 Cassettes Installed)
683
449
509
683
750
509
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4.3.2 FCS Dimensions
The FCS has a very high outlet density, allowing more outlets to be installed with a smaller footprint.
Figure 4.3: FCS Dimensions (Pictured with 5 Cassettes Installed)
4.4 Electrical Installation Information
Refer to drawing OCSE002in APPENDIX B: DRAWINGS for electrical installation information.
450
665
1160
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4.5 External Accessories
4.5.1 Earth Leakage CT
The Outlet Cassette Protection Element uses an Ampcontrol EL500 series current transformer for earth
leakage measurements. For the purposes of outlet identification tests during operation, the earth
leakage toroid is installed separately to the Cassette.
4.5.2 Remote Termination Unit (RTX)
The RTX is a microprocessor based module that can be utilised to replace the diode at the end of the
trailing cable pilot conductor. It is powered by and communicates via the pilot line. Its non-volatile
memory stores the parameters to configure the outlet as appropriate for the connected machine. The
RTX Module is pictured in Figure 4.4.
All terminals are fully shrouded, with the pilot and earth terminals being segregated from the other
terminals.
The RTX provides remote start and stop facilities. The circuitry involved in these functions is self-
diagnostic and will cause the outlet to turn off if the circuits are earthed or interconnected. This reduces
the chance of the outlet operating when not required to do so due to wiring faults. It should be noted
that these functions are operational only, and that any emergency stops should be wired directly into
the pilot circuit.
PTC terminals are provided for a semiconductor ‘switching’ thermistor. These terminals are protected in
a similar manner to the stop and start circuits. If the remote start, stop and PTC functions are not
required, each set of terminals must be bridged in order to start the Protection Element.
Five RTD inputs are provided for PT100 RTDs. These terminals can also be used with resistor
networks to provide digital information back to the Cassette Protection Element.
A parameter dongle allows an RTX to be replaced without needing to re-program the parameters.
When installed, this dongle should be firmly secured to the machine/equipment.
Figure 4.4: Remote Termination Unit (RTX)
4.5.3 Parameter Dongle
Parameters important to the running of the Protection Element and the safe operation of the outlet onto
which it is connected are stored in the Protection Element Parameter Dongle. The Parameter Dongle is
exchangeable between Protection Elements, but it is intended to be physically tethered to the outlet
that it controls.
Although the Protection Element and the RTX use the same hardware parameter dongle the
parameters they store are different. As such the parameter dongle is not interchangeable between the
Protection Element and RTX.
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5 COMMISSIONING AND CALIBRATION
Prior to being put into service, the electrical protection system must be correctly commissioned. This
manual does not cover system commissioning; the full scope of commissioning tests should be
determined during the risk assessment or FMEA covering the design of the electrical protection system.
The following test can provide guidance on checking the correct operation of the Cassette Protection
Element during commissioning. These tests should be performed on each individual Cassette within the
installed OCS.
This is not intended to provide an exhaustive commissioning checklist, but should be considered to be a
minimum set of tests.
5.1 Earth Leakage
Test the correct operation of earth leakage circuits by injecting a fault current through the Earth Leakage
CT. Ensure that all relevant tripping circuits operate successfully and that latched trips may be reset in
the appropriate manner.
Disconnect the toroid from the Cassette Protection Element and ensure that an EL CT fault trip is issued
with similar effect.
5.2 Residual Voltage
This is applicable to the Residual Voltage Protection Element Version only. Test the correct operation of
residual voltage detection circuitry by injecting a residual voltage onto the phases. Ensure that all
relevant tripping circuits operate successfully and that latched trips may be reset in the appropriate
manner.
These tests can be facilitated using residual voltage test relays, built into the Cassette Protection
Element. These relays are controlled using the Cassette Protection Element’s communications interface.
5.3 Earth Fault Lockout
Test the correct operation of Earth Fault Lockout protection by connecting suitably rated test resistors to
the power conductors. Attempt to energise the outlet and confirm that the Cassette Protection Element
trips on Earth Fault Lockout.
WARNING!
If the Earth Fault Lockout does not trip during this test, full system
voltage and power may be subsequently applied to the test
resistors.
5.4 Earth Continuity
Test that the Earth Continuity protection is operational by creating an open circuit on the pilot conductor.
Ensure that all relevant tripping circuits operate successfully and that latched trips may be reset in the
appropriate manner.
Repeat with a short circuit between pilot and earth.
These tests can be facilitated using earth continuity test relays, built into the Cassette Protection
Element. These relays are controlled using the Cassette Protection Element’s communications interface.
5.5 Insulation Test (High Voltage)
If the Earth Fault Lockout and Earth Continuity tests are successful, check that an automatic HV
insulation test is initiated by the Cassette Protection Element when the module is started.
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WARNING!
During this test the Cassette Protection Element will generate up to
2700VDC from the 24 VDC input supply and apply this voltage to the
phase conductors.
5.6 Over Current/Motor Overload Current Injection
Test the Over Current/Motor Overload protection by carrying out secondary/primary injection on the CT
inputs of the Cassette Protection Element.
Inject 2x Full Load Current (FLC) into one of the CT terminals and ensure that all relevant tripping
circuits operate successfully, in the time expected according to the settings employed, and that latched
trips may be reset in the appropriate manner. Repeat on the other CT terminals.
5.7 Short Circuit Current Injection
Test the Short Circuit protection by carrying out secondary/primary injection on the CT inputs of the
Cassette Protection Element.
Inject a current value relevant to the settings employed into one of the CT terminals and ensure that all
relevant tripping circuits operate successfully, in the time expected, and that latched trips may be reset in
the appropriate manner. Repeat on the other CT terminals.
5.8 Main Contactor Fail
While the Cassette Protection Element is stopped (that is, the MCR output is open), apply a voltage on
the load side of the contactor. The voltage must be greater than the selected trip level. Ensure that a
CBR trip is initiated by the Cassette Protection Element.
NOTE
A Main Contactor Fail (MCF) trip can be reset by pressing the MCF
Reset Pushbutton on the front of the OCS Protection Element or
through the communications protocol.
While the Cassette Protection Element is stopped, close the MCI digital input. Ensure that a CBR trip is
initiated by the Cassette Protection Element.
5.9 Voltage Measurement
Validate the voltage measurement function of the Cassette Protection Element by checking the
measured voltages via the PLC when the main contactor is closed.
5.10 RTX
Validate the correct operation of the RTX by making changes to load parameters, moving the machine to
a different outlet and ensuring that the correct settings are available on the new outlet.
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OCS Outlet Cassette System User manual

Outlet Cassette System
Brand
OCS
Model
Outlet Cassette System
Type
User manual
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