2C73 User's Guide
Contents
1. are fitted prior to plugging into the 4M300 test block TEST LEAD INSERTION Before use the insulation of the flying leads should be visibly checked for damage Flexible banana test leads with shrouded plugs are recommended for operator safety 2 5mm multi strand wire with PVC insulation is recommended for adequate current rating and flexibility TEST PLUG INSERTION To avoid high voltage shock hazard external CT circuits must NOT be open circuited Shorting links must be in position BEFORE test plug insertion Insertion of the 4M320 connects the live side circuits to the YELLOW test sockets on the front panel The equipment side circuits are connected to the BLACK test sockets on the front panel Each test socket is identified by a number which corresponds to the numbered terminal on the rear of the case when the Test Plug is inserted FINGER SAFE TEST SOCKETS BLACK even numbered equipment side sockets YELLOW odd numbered live side sockets 3 Figure 2 Close up view of the finger safe test plug sockets that accept standard 4mm shrouded test plugs Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue 26 06 09 2 6 pnotEcllON amp CONT AD Changing the 4M300 Test Block system from the normal service condition to the secondary injection test condition is achieved in three steps sho2. monitored When using the 4M300 B Test Block the DC supply may be used during testing by linking across sockets 13 14 amp 15 16 of the Test Plug AT QnA TOY we K CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 Operation CT SHORTING MANUAL External It is essential that the sockets of the 4M320 Multi Finger Test Plug which correspond to the current transformer CT secondary windings are linked prior to the test plug being inserted into the test block This ensures that the current transformer secondary windings are not open circuited when they are isolated from the protection relay scheme This may be achieved using external shorting links to ensure that the CT secondary windings are short circuited before they are disconnected from the protection relay or scheme thereby avoiding dangerously high voltages The continuity of the shorting plug wire links amp their state of insulation should be checked prior to into the 4M300 test block CT SHORTING AUTOMATIC Internal The 4M320 may be ordered with internal CT shorting links fitted to pre designated positions as follows 4M320 B Internal links between terminals 21 23 25 27 Refer figure 8 Where these 4M320 test plug versions are employed it is essential that the CT circuits are wired to the 4M300 test block in the matching positions To Reiterate The 4M320 requires the USER to ensure that the necessary shorting links manual or automatic
3. or the appropriate termination of the supply plug in the case of plug connected equipment Omitting or disconnecting the equipment earth may cause a safety hazard The recommended minimum earth wire size is 2 5mm unless otherwise stated in the technical data section of the product documentation Before energising the equipment the following should be checked 1 Voltage rating and polarity 2 CT circuit rating and integrity of connections 3 Protective fuse rating 4 Integrity of earth connection where applicable Screw lug 4mm O D 8 0mm MAX AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MBNASENENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 Iss E 25 08 08 30300 CTION amp CONTRO enoit Current Transformer Circuits Do not open the secondary circuit of a live CT since the high voltage produced may be lethal to personnel and could damage insulation External Resistors Where external resistors are fitted to relays these may present a risk of electric shock or burns if touched Insulation amp Dielectric Strength Testing Insulation testing may leave capacitors charged up to a hazardous voltage At the end of each part of the test the voltage should be gradually reduced to zero to discharge capacitors before the test leads are disco
4. external links 13 14 amp 15 16 if station DC auxiliary is required during Relay scheme DC testi DC auxiliary J auxiliary ony w i d o pa Heavy alg 24 duty Slee current E injection Le ag sockets She STA ar 4M 300 Test Block 4M320 Test Plug 2 REAR VIEW FRONT VIEW CT shorting links 4M320 A Manual Protection scheme 4M320 B Automatic Figure 8 Typical use of 4M300 Test Block amp 4M320 Test Plug 4M 300 A Terminals 13 14 connected as per other positions 4M 300 B Terminals 13 14 open circuit when Isolation Plug removed AT QnA TOY we K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue 26 06 09 6 6 CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 opoTectO amp CONTRO Part Installation Handling of Electronic Equipment A person s normal movements can easily generate electrostatic potentials of several thousand volts Discharge of these voltages into semiconductor devices when handling electronic circuits can cause serious damage which often may not be immediately apparent but the reliability of the circuit will have been reduced The electronic circuits of Relay Monitoring Systems Pty Ltd products are immune to the
5. in Technical Bulletin Relevant Auto Cad files amp details on other accessories such as 19 inch sub rack frames semi projection mount kits amp stud terminal kits may be down loaded from htto www rmspl com au mseries htm AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MBNASENENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 Iss E 25 08 08 30300 enoreclio amp C ONTRo Equipment Connections Personnel undertaking installation commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety The product documentation should be consulted before installing commissioning or servicing the equipment Terminals exposed during installation commissioning and maintenance may present hazardous voltage unless the equipment is electrically isolated lf there is unlocked access to the rear of the equipment care should be taken by all personnel to avoid electric shock or energy hazards Voltage and current connections should be made using insulated crimp terminations to ensure that terminal block insulation requirements are maintained for safety To ensure that wires are correctly terminated the correct crimp terminal and tool for the wire size should be used Before energising the equipment it must be earthed using the protective earth terminal
6. manual CT shorting as described on page 2 Three 3 leads are required to short a group of four 4 CT circuits as follows 1 Connect the first lead between sockets 21 23 2 Connect the second lead between sockets 25 27 3 Connect the third lead to link the dual plugs in sockets 21 25 An additional lead may be fitted into the third lead dual plug for a ground connection where required CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM 1509001 Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue I 26 06 09 4 6 Figure 6 4M300 B Test Link Plug Depicted in the normal service condition with the isolation plug installed 07 ol 217 51 2M28 S Short case version Order code A 235 2M28 Long case version Order code B 4M 300 P Isolating Plug Size 2M case suits flush panel mounting amp it Da ES Front view Side view AT QNA TOY we K CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 H i n E He Test Block amp draw out 4U high 19 inch rack frame Technical Datal 4M300 A TEST BLOCK Isolating Plug not fitted 14 Equipment side terminals Even terminal numbers 14 Live side terminals Odd terminal numbers 14 Live side to equipment side shorting links This arrangement provides for up to 14 independent circuits t
7. side circuits isolated from live side circuits AT QnA Oy we K CERTIFIED QUALITY vist WWW rmspl cCom aU for the latest product information ee a Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue 26 06 09 3 6 Single plug Dual plug spare socket Figure 4 Two ended test lead short P N 310 230 075 1 75mm wire length version depicted Single plug Dual plug spare socket Figure 5 Two ended test lead long P N 310 230 180 1 180mm wire length version depicted AT QnA TOY we K Test Leads SHROUDED TEST LEADS Three types of shrouded finger safe test leads are available Quantity Part Number Description supplied per 4M320 310 230 075 1 Two ended test lead 75mm 3 310 230 180 1 Two ended test lead 180mm Wire type 2 5mm multi strand wire with yellow PVC insulation TEST LEAD PLUGS Two types of shrouded plug are employed on each test lead as depicted in figure 4 Single Plug The single plug is the most compact amp may be plugged into any test socket Dual Plug The dual or piggy back plug is larger amp should be plugged into the test sockets on the outside edge of the 4M320 The lead emerging from the dual plug should face out from center of the 4M430 to ensure adequate clearance for other plugs CONNECTING MULTIPLE TEST LEADS Test leads may be linked in a daisy chain arrangement to perform
8. the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 Iss E 25 08 08 5 0 10 Im enorection amp CONTRO rms Relay Module Side Label Depicting Product Details Relay Module Side Label Depicting Wiring Diagram 6R MATRIX relays only AT RNEER ON ww K CERTIFIED QUALITY MANAGEMENT SYSTEM T0100 Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice User _Guide 4 Iss E 25 08 08 Accessories Supplied With Each Relay Self threading M4 mounting screws M4 terminal screws with captured lock washers Storage amp Handling lf damage has been sustained a claim should immediately be made against the carrier also inform Relay Monitoring Systems Pty Ltd and the nearest RMS agent When not required for immediate use the relay should be returned to its original carton and stored in a clean dry place Relays which have been removed from their cases should not be left in situations where they are exposed to dust or damp This particularly applies to installations which are being carried out at the same time as constructional work lf relays are not installed immediately upon receipt they should be stored in a place free from dust and moisture in their original cartons Du
9. used for making measurements should be earthed to the case whenever possible NA7 o amp vg CERTIFIED QUALITY vist WWW rmspl COM AU forthe latest product information pee paola aoe Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 5 IssE 25 08 08 Safety Section This Safety Section should be read before commencing any work on the equipment The information in the Safety Section of the product documentation is intended to ensure that products are properly installed and handled in order to maintain them in a safe condition It is assumed that everyone who will be associated with the equipment will be familiar with the contents of the Safety Section Explanation of Symbols amp Labels The meaning of symbols and labels which may be used on the equipment or in the product documentation is given below Caution refer to product information Functional earth terminal Note this symbol may also be used for a protective safety earth terminal if that terminal is part of a terminal block or sub assembly eg power supply Caution risk of electric shock A AT RNEER ON i K NCS ly Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice User _Guide 4 lss E 25 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 0 9 0 0 1 1 rms Un
10. 4m300 htm For any specific attributes of a particular version refer to the Test Manual for that type K number The order of precedence for technical information is as follows e Test Manual e Technical Bulletin e User Guide AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 4M300_Guide Iss C 01 03 09 0 10 Features E Colour coded finger safe test sockets suit standard or shrouded type 4mm banana plugs E 14 independent circuits suitable for CT or VT connections E Test plug available with automatic CT shorting option E Test plug fitted with insertion handles amp locking screws E Side label instructions on changing from normal service condition to the test condition E Optional automatic DC auxiliary isolation function E High current voltage rating E Compact amp economic design E Made in Australia Application Test links are an important accessory for protection metering amp control panels They enable test technicians to quickly amp safely isolate protection relays so that test signals may be injected amp system performance verified There are a number of advantages in performing injection tests at the protection relay panel E Reduction in down time of the equipment under test E Te
11. INDINGS ARE SHORTED For the 4M320 Ax version external shorting links must be manually fitted between the appropraite live side sockets prior to insertion GeEP gt CIRCUIT ISOLATION INSERT THE 4M320 TEST PLUG This device Equipment side BLACK test sockets amp the Live side YELLOW test sockets circuits are now isolated GED SECONDARY INJ ECTION TESTING Use the equipment side BLACK test sockets to apply secondary injection signals to the protection relays as per the scheme wiring 229 683 022B www rmspl com au Front view showing terminals 21 23 25 27 shorted E quip Live side side YELLOW BLACK sockets sockets Fit external links 13 14 amp 15 16 if Station DC auxiliary is required to energise scheme CT shorting link s example Heavy duty current injection sockets 4M 320 Test Plug FRONT VIEW CT SHORTING LINKS 4M320 A Manual 4M320 B Automatic 21 23 25 27 View of instruction label attached to the side of the 4M320 Test Plug Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300_ Guide Iss C 01 03 09 enorectlo amp C ONTRO Part Technical Bulletin The detailed technical attributes functional description amp performance specifications for the 4M300 are described in the attached Technical Bulletin For the most up to date version go to www rmspl com au handbook
12. NTRO ims Defect Report Form this sheet and use it to report any defect which may occur Contact Name Please cop Customers Name amp Address Telephone No Date when installed Supplied by Circuit When Defect Found Commissioning Other Please State Serial Number Maintenance Systems Fault Product Part No Copy any message displayed by the relay Describe Defect Describe any other action taken Signature Please Print Name Date Received Contact Name Date Acknowledged Date of Reply Date Cleared AT RNEER ON ww K Visit www rmspl com au for the latest product information CERTIFIED QUALITY PEERS eee Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 5 Iss D 10 07 08 30300 Australian Content Unless otherwise stated the product s quoted are manufactured by RMS at our production facility in Melbourne Australia Approximately 60 of our sales volume is derived from equipment manufactured in house with a local content close to 90 Imported components such as semi conductors are sourced from local suppliers amp preference is given for reasonable stock holding to support our build requirements Quality Assurance RMS holds NCSI NATA Certification Services International registration number 6869 for the certification of a quality assurance system to AS NZS 1S09001 2000 Quality plan
13. O th HOGGOGOGSG Ol N 9 q H OOOO ll p Gls JOODOOGOUGOGOEGS On WO oO Oo 43 2holes of 3 7 Terminal layout Panel cut out Figure 7 Case details Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue 26 06 09 5 6 oROTECTION amp CONTRO Generate the required ordering code as follows e g 4M300 BA 4M300 we TEST BLOCK SOCKET BRM suxiviary supPLy ISOLATING LINK Ordering Information Generate the required ordering code as follows e g 4M320 BA EN EJ 4M320 TESTPLUG EI cT SHORTING LINKS A Not required B Required Isolation Plug not supplied A Manual External links to be fitted by operator Test Block supplied with Isolation Plug B Automatic Internal links fitted between terminals 21 23 25 amp 27 2 CASE LENGTH Match to 4M320 case length A Short Default p CASE LENGTH Match to 4M300 case length B Long A Short Default B Long TYICAL APPLICATION OF 4M300 TEST BLOCK amp 4M320 TEST PLUG Apply secondary injection test signals BLACK YELLOW Equipment Live side side sockets sockets Case Earth Trip amp alarm contacts or VT connections as required F it
14. a 3170 AUSTRALIA Tel 61 3 9561 0266 Fax 61 3 9561 0277 Email rms rmspl com au Web www rmspl com au 2009 Relay Monitoring Systems Pty Ltd Due to RMS continuous product improvement policy this information is subject to change without notice
15. arying customer requirements such as auxiliary voltage range I O configuration case style relay functionality etc The product ordering code described in the Technical Bulletin is used to generate a unique version of the relay specification amp is called a type number The type number takes the form 4M300Kxx where the Kxx is the K or version number Refer to www rmspl com au handbook PARTA3 pdf for a complete description of the RMS K number system Each 4M300 version has a specific Test Manual which provides details on the unique attributes of the relay Each Test Manual includes the following information e Test Certificate e Specific technical variations from the standard model if applicable e Test amp calibration record e Wiring diagram A Test Manual is provided with each relay shipped If you require a copy of the Test Manual for an RMS product the following options are available e Check the RMS web site at Wwww rmspl com au Ssearch aspo e RMS CD catalogue select List all Product Test Manuals under Technical Library e Contact RMS or a representative amp request a hard copy or PDF by email AT RNEER ON ww K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300_Guide Iss C 01 03 09 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 Mechanical Configuration Great care h
16. as been taken to design a rugged cost effective amp flexible mechanical solution for the MATRIX range of RMS protection relays The MATRIX range provides a compact draw out case solution with M4 screw terminals e 2M28 Size 2 with 28 terminals e 4M28 Size 4 with 28 terminals e 4M56 Size 4 with 56 terminals Complete details amp attributes for the M MATRIX cases amp accessories may be found at The 4M300 amp 4M320 is configured to suit the 2M28 case format amp the following image depicts the general mechanical configuration It should be noted that re usable JIS plastic threading PT type screws are used to bind the draw out relay module Internal view of 4M320 Test Plug showing heavy duty wiring AT RNEER ON ww K NCS ly CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 4M300_Guide Iss C 01 03 09 Test lead set supplied with each Test Plug QNA Tloy we K NCS ly CERTIFIED QUALITY MANAGEMENT SYSTEM 30800t 3x 75mm amp 3x 180mm leads rms AMS20 Multi Finger Test Plug GP DC AUXILIARY SUPPLY ISOLATION WITHDRAW DC AUXILIARY ISOLATION PLUG 4M300 Bx version The DC auxiliary supply link between terminals 13 amp 14 is removed GE AUTOMATIC CT SHORTING CHECK THAT THE 4M320 LIVE SIDE SOCKETS CORRESPONDING TO THE CT SECONDARY W
17. au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 5 Iss D 10 07 08 1809001t og OTECTION amp CONT Relay Case Inspect the outer terminals checking insulation integrity amp tightness Inspect inside the case and use a blower to remove dust Inspect the inner terminals for worn distorted or tarnished contacts and if necessary clean the contacts using a brush dipped in a suitable substance FJ j f ea LE a wa b bil l E x E ax io e ic e e Aa igh F z Y EEE i He Rae He ae TG 3 Case outer terminals Case inner terminals Module plug in terminals Test Intervals The maintenance tests required will largely depend upon experience and site conditions but as a general rule it is recommended that the following inspection and tests are performed every twelve months Mechanical Inspection Check of Connections Insulation Resistance Test 4 Fault Setting Tests by Secondary Injection Tests using Load Current Check the continuity of the neutral CT loop with a bell test set or an ohmmeter AT RNEER ON ww K NCS ly CERTIFIED QUALITY visit WWW rmspl COM AU for the latest product information Gables A Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 5 Iss D 10 07 08 opOTECTO amp CO
18. e to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 lss E 25 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 Commissioning Tests lf the relay is wired through a test block it is recommended that all secondary injection tests should be carried out using this block Ensure that the main system current transformers are shorted before isolating the relay from the current transformers in preparation for secondary injection tests DANGER DO NOT OPEN CIRCUIT THE SECONDAY CIRCUIT OF A CURRENT TRANSFORMER SINCE THE HIGH VOLTAGE PRODUCED MAY BE LETHAL AND COULD DAMAGE INSULATION lt is assumed that the initial preliminary checks have been carried out Relay CT shorting switches With the relay removed from its case check electrically that the CT shorting switch is closed Primary injection testings lt is essential that primary injection testing is carried out to prove the correct polarity of current transformers Before commencing any primary injection testing it is essential to ensure that the circuit is dead isolated from the remainder of the system and that only those earth connections associated with the primary test equipment are in position Decommissioning amp Disposal Decommissioning The auxiliary supply circuit in the relay may include capacitors across the supply or to earth To avoid electric shock or energy hazards after completely isolating the s
19. ent inadvertent tripping of the protection during the ensuing tests Test Plug Insertion Insertion of the Test Plug type 4M320 isolates the live side circuits from the equipment side The Test Plug carries 28 4mm finger safe test sockets These sockets are suitable for shrouded or standard 4mm banana plugs Each test socket is identified by a number which corresponds to the numbered terminal on the rear of the case when the Test Plug is inserted The test socks are colour coded BLACK to indentify the equipment side sockets amp YELLOW to identify the live side sockets Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 4M300 Issue 26 06 09 1 6 RECOMMENDED WIRING LAYOUT It is recommended that the Test Block is always wired with connections to the protective relay or scheme made to the EVEN numbered equipment side terminals Connections to other equipment e g CT s VI s amp DC supplies should be made to the ODD numbered live side terminals on the Test Block This ensures that when the Test Plug is used the BLACK sockets of the Test Plug are the isolated relay circuits amp the YELLOW sockets on the Test Plug are connected to the potentially live supplies as shown in figure 8 Test equipment can be connected to the relay or scheme using the BLACK sockets in the Test Plug amp operation of contacts can be
20. is the result of negligence or any other cause Any and all such liability is disclaimed Contact Us Relay Monitoring Systems Pty Ltd 2001 2009 6 Anzed Court Mulgrave 3170 AUSTRALIA Phone 61 3 9561 0266 Fax 61 39561 0277 Email rms rmspl com au Web www rmspl com au To download a PDF version of this guide htto www rmspl com au userquide 4m300 user guide pdf To download the model specific Test Manual htto www rmspl com au search asp How this guide is organised This guide is divided into five parts Part 1 Overview About this Manual Contents Test Manual Part 2 Mechanical Configuration Part 3 Technical Bulletin Part 4 Installation Handling of Electronic Equipment Safety Unpacking Accessories Storage amp Handling Recommended Mounting Position Relay Dimensions amp Other Mounting Accessories Equipment Connections Part 5 Maintenance Mechanical Inspection Test Intervals Defect Report Form AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 4M300_Guide Iss C 01 03 09 pnoreclio amp CONTRO Part Test Manual This User Guide covers all 4M300 4M320 Test Block versions amp describes the generic features amp attributes common across all versions Different relay versions are required to cater for v
21. nnected Insertion of Modules These must not be inserted into or withdrawn from equipment whilst it is energised since this may result in damage Electrical Adjustments Pieces of equipment which require direct physical adjustments to their operating mechanism to change current or voltage settings should have the electrical power removed before making the change to avoid any risk of electric shock Mechanical Adjustments The electrical power to the relay contacts should be removed before checking any mechanical settings to avoid any risk of electric shock Draw Out Case Relays Removal of the cover on equipment incorporating electromechanical operating elements may expose hazardous live parts such as relay contacts Insertion amp Withdrawal of Heavy Current Test Plugs When using a heavy current test plug CT shorting links must be in place before insertion or removal to avoid potentially lethal voltages AT RNEER ON ww K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 lss E 25 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 CTION amp CONTRO enoit Commissioning Preliminaries Carefully examine the module and case to ser that no damage has occurred during transit Check that the relay serial number on the module case and cover are identical and that the model n
22. o be connected An isolating circuit is not provided on this model 4M300 B TEST BLOCK Includes Isolating Plug 14 Equipment side terminals Even terminal numbers 14 Live side terminals Odd terminal numbers 13 Live side to equipment side shorting links 1 Isolating circuit between terminals 13 amp 14 This arrangement provides for up to 12 independent circuits to be connected An additional DC auxiliary circuit is provided with an isolating link across terminals 13 amp 14 This circuit is automatically opened when the Isolation Plug is removed 4M320 TEST PLUG 28 test sockets suitable for 4mm banana plugs Securing screws to retain the Test Plug during testing operations CURRENT RATINGS All CT circuits amp terminals 20A continuous Terminal 1 to 28 400A 1s VOLTAGE RATINGS All circuits amp terminals 600V AC continuous 350V DC continuous System auxiliary voltage 40V DC minimum CASE TYPE 2M28 Size 2 28 terminals INSULATION WITHSTAND All Models In accordance IEC 255 5 2KV RMS for 1 min between all terminals amp all terminals amp frame 1 2 50 5KV impulse between all terminals amp all terminals amp frame 4M300 B Test Block amp 4M320 Test Plug only In accordance IEC 255 5 1KV RMS for 1 min between terminals 13 amp 14 when the isolation plug is removed e g opening the auxiliary supply or trip circuit AMBIENT OPERATING TEMPERATURE RANGE 5 to 55 degrees C 1 j H i E
23. oROTEct iOS amp CONTRO 4M300 4M320 User Guide Test Block System relay monitoring systems pty Itd Advanced Protection Devices 4M300 User Guide About This Manual This User Guide covers all 4M300 Test Blocks manufactured from April 2009 Earlier test blocks amp plugs do not necessarily incorporate all the features described Our policy of continuous may means that extra features amp functionality may have been added The 4M300 4M320 User Guide is designed as a generic document to describe the common operating parameters for all relays built on this platform Some relay applications are described but for specific model information the individual K number Product Test manuals should be consulted The copyright and other intellectual property rights in this document and in any model or article produced from it and including any Registered or unregistered design rights are the property of Relay Monitoring Systems Pty Ltd No part of this document shall be reproduced or modified or stored in another form in any data retrieval system without the permission of Relay Monitoring Systems Pty Ltd nor shall any model or article be reproduced from this document without consent from Relay Monitoring Systems Pty Ltd While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission
24. packing Upon receipt inspect the outer shipping carton or pallet for obvious damage Remove the individually packaged relays and inspect the cartons for obvious damage To prevent the possible ingress of dirt the carton should not be opened until the relay is to be used Refer to the following images for unpacking the relay Outer packing carton showing shipping documentation pouch Address label on top of carton Inner packing carton showing front label detailing the customer name order sci ee number relay part number amp description WERT POWER ees the relay job number amp packing date ae y Size 2 inner packing carton depicted QNA Tloy we K NCS ly CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 Iss E 25 08 08 30800t Unpacking Continued Inner packing carton with lid open showing protective foam insert CD depicted supplied with digital relay models or upon request at time of order Inner packing carton with protective foam insert removed showing relay location Where mechanical flags are fitted the yellow transit wedge must be removed before operation using a gentle twisting action The wedge should be stored with the original packaging material QNA Tloy we K NCS ly SERRE a A Visit www rmspl com au for
25. relevant levels of electrostatic discharge when housed in the case Do not expose them to the risk of damage by withdrawing modules unnecessarily Each module incorporates the highest practicable protection for its semiconductor devices However if it becomes necessary to withdraw a module the following precautions should be taken to preserve the high reliability and long life for which the equipment has been designed and manufactured 1 Before removing a module ensure that you are at the same electrostatic potential as the equipment by touching the case 2 Handle the module by its front plate frame or edges of the printed circuit board 3 Avoid touching the electronic components printed circuit track or connectors 4 Do not pass the module to any person without first ensuring that you are both at the same electrostatic potential Shaking hands achieves equipotential 5 Place the module on an antistatic surface or on a conducting surface which is at the same potential as yourself 6 Store or transport the module in a conductive bag lf you are making measurements on the internal electronic circuitry of an equipment in service it is preferable that you are earthed to the case with a conductive wrist strap Wrist straps should have a resistance to ground between 500k 10M ohms If a wrist strap is not available you should maintain regular contact with the case to prevent the build up of static Instrumentation which may be
26. s for all products involve 100 inspection and testing carried out before despatch Further details on specific test plans quality policy amp procedures may be found in section A4 of the RMS product catalogue Product Packaging Protection relays are supplied in secure individual packing cardboard boxes with moulded styrene inserts suitable for recycling Each product amp packing box is labeled with the product part number customer name amp order details Design References The products amp components produced by RMS are based on many years of field experience since Relays Pty Ltd was formed in 1955 A large population of equipment is in service throughout Australia New Zealand South Africa amp South East Asia attesting to this fact Specific product amp customer reference sites may be provided on application Product Warranty All utility grade protection amp auxiliary relay products unless otherwise stated are warranted for a period of 24 months from shipment for materials amp labour on a return to factory basis Repair of products damaged through poor application or circumstances outside the product ratings will be carried out at the customer s expense Standard Conditions of Sale Unless otherwise agreed RMS Standard Terms amp Conditions QF 907 shall apply to all sales These are available on request or from our web site Relay Monitoring Systems Pty Ltd 6 Anzed Court Mulgrave Victori
27. st which collects on a carton may on subsequent unpacking find its ay into the relay in damp conditions the carton and packing may become impregnated with moisture and the de humidifying agent will lose is efficiency QNA Tloy we K CERTIFIED QUALITY Visit www rmspl com au for the latest product information eade rE Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 Iss E 25 08 08 CTION amp CONTRO enoit Equipment Operating Conditions The equipment should be operated within the specified electrical and environmental limits Protective relays although generally of robust construction require careful treatment prior to installation and a wise selection of site By observing a few simple rules the possibility of premature failure is eliminated and a high degree of performance can be expected Care must be taken when unpacking and installing the relays so that none of the parts are damaged or their settings altered and must al all times be handled by skilled persons only Relays should be examined for any wedges clamps or rubber bands necessary to secure moving parts to prevent damage during transit and these should be removed after installation and before commissioning The relay should be mounted on the circuit breaker or panel to allow the operator the best access to the relay functions Relay Dimensions amp Other Mounting Accessories Refer drawing
28. sting does not cause disturbance to wiring terminals or equipment settings E Existing auxiliary supply to the equipment under test may be isolated The 4M300 Test Link Panel has been designed as a general purpose isolation amp test signal injection point Standard 4mm diameter sockets are employed so that common banana plugs may be used to short CT inputs amp connect test equipment Equipment under test need only be removed for servicing if problems are detected AT QNA OY we K CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 Technical Bulletin Test Block System Figure 1 4M320 A Test Plug Description The Test Block type 4M300 comprises fourteen 14 test circuits each of which is connected to a separate pair of terminals at the rear of the case During the normal operation of the associated protection equipment each pair of terminals are connected together by a circuit shorting link Changing the 4M300 Test Block from the normal service condition to the test condition is described below amp depicted in figure 3 Made in Australia Test Circuit Access Access to the circuits for testing purposes is gained by first removing the front cover For the 4M300 B model the Isolation Plug is withdrawn amp the circuit between terminals 13 amp 14 interrupted By routing the main DC supply to the protection scheme or relay through this circuit removal of the Isolation Plug will thereby prev
29. umber and rating information are correct Carefully remove any elastic bands packing fitting for transportation purposes Check that the external wiring is correct to the relevant relay diagram or scheme diagram The relay diagram number appears inside the case Particular attention should be paid to the correct wiring and value of any external resistors indicated on the wiring diagram relay rating information Note that shorting switches shown on the relay diagram are fitted internally across the relevant case terminals and close when the module is withdrawn It is essential that such switches are fitted across all CT circuits lf a test block system is to be employed the connections should be checked to the scheme diagram particularly that the supply connections are to the live side of the test block Earthing Ensure that the case earthing connection above the rear terminal block is used to connect the relay to a local earth bar Insulation The relay and its associated wiring may be insulation tested between all electrically isolated circuits all circuits and earth An electronic or brushless insulation tester should be used having a dc voltage not exceeding 1000V Accessible terminals of the same circuit should first be strapped together Deliberate circuit earthing links removed for the tests subsequently must be replaced AT RNEER ON ww K Visit www rmspl com au for the latest product information Du
30. upplies to the relay both poles of any dc supply the capacitors should be safely discharged via the external terminals prior to decommissioning Disposal lt is recommended that incineration and disposal to water courses is avoided The product should be disposed of in a safe manner AT RNEER ON ww K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice User_Guide 4 lss E 25 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 enOvEcLic amp CONTRO Part Maintenance Mechanical Inspection Relay Assembly Inspect the relay for obvious signs of damage or ingress of moisture or other contamination Relay Module Isolate the relay remove the front cover amp carefully withdraw the relay module from the case Care must be taken to avoid subjecting the relay element to static discharge which may damage or degrade sensitive electronic components Inspect the relay module for signs of any overheating or burn marks which may have been caused by overvoltage surge or transient conditions on the power supply or digital status inputs Inspect the VT amp CT stages for degradation of insulation on the terminal wiring amp transformer windings Remove cover by unscrewing black thumb screws amp withdraw the relay module from the case AT RNEER ON we K CERTIFIED QUALITY Visit www rmspl com
31. wn in figure 3 below pm Operation 4M300 B Test Block Terminal Status NORMAL SERVICE CONDITION cli EVEN terminals A i I Ea a l TOP VIEW Shown with isolation plug fitted to short terminals 13 amp 14 4M300 B model only Step 1 DC AUXILIARY SUPPLY ISOLATION _ a i A S go i a lt q Ms l ooo WITHDRAW DC AUXILIARY ISOLATION PLUG 4M300 B model only DC auxiliary supply link between terminals 13 amp 14 is removed Equipment side amp live side contacts shorted Step 2 AUTOMATIC CT SHORTING INSERT 4M320 B TEST PLUG Automatic shorting of CT s wired to terminals 22 24 26 amp 28 Circuit isolating bar not yet engaged 4M 320 terminals touch Automatic CT shorting engaged Step 3 CIRCUIT ISOLATION es Ca P _ lB y S 4M320 B Test Plug fully inserted Circuit isolating bar engaged SECONDARY IN ECTION TEST CONDITION Equipment
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