Contactor relay testing software

Jul 17, 2017 contactors are used to remotely switch electrical power. By design and construction they ensure potential isolation between the actuating circuit and the operating circuit, in. If you want to test the contact resistance with an ohmmeter instead of doing this test, pull the relay, hot wire the coil to bring the switch contacts together, then check the resistance between in this style relay 30 and 87. In this article, we will show you how to test a relay. Simulate a motorstart in your computer easy way to learn the menu and parameters cadenas free download 2d and 3d drawings of softstarters.

Relay setting x multiples of set current test current. Conditions vary significantly by relaycontactor type and the circuit designtemperature and msome relays. In this video i go over 10 possible reasons why your contactor may not be pulling in. Our aim is to make simpler the complex task of 3phase relay testing. Dust or dirt, oil, insects, mouse droppings or any other contaminant in the contactor or relay from any source, finding its way between the contact points.

The control section uses a digital io board to drive the contactor or relay on and off by controlling the solid state relay. The electronic circuit provides the power to turn the relay on, which in turn switches a larger voltage source needed to turn on a contactor. Installation of protection relays at site creates a number of possibilities for errors in the implementation of the scheme to occur. The pc software then controls the current against line and load regulation in. Large electric motors can be protected from overcurrent damage through the use of overload. Apr, 2011 maximum allowable voltage drop for any relay or switch contact is 300mv. Moreover, whether you are testing legacy electromechanical relays or modern iec 61850 networked devices, our rugged products output the high power you need while still being portable for real world testing. Relay testing software power test software provides comprehensive functions to manage the test work.

Switch on the test current and check trip time of the relay. Researchon the key technology of contactor electrical life test ieee. But there some relays can switch high current too, such as, some power relays can switch current beyond 100a, and there are contactors to. Solenoid relay contactor testing and troubleshooting repair.

Basic, protection and advanced, which provides incomparable benefits for users. Learn more about softstarter products and simulate a motor start in your computer. Relay and contactor test equipment pc based testing equipment. Relay a device, usually consisting of an electromagnet and an armature, by which a change of current or voltage in one circuit is used to make or break a connection in another circuit or to affect the operation of other devices in the same or another circuit. A project of operation of mechanical contactor using microcontroller operated 12v miniature relay. Contactors electromechanical relays electronics textbook. Check to make sure your getting power to it and the. In process industries, a contactor is a vessel where two streams interact, for example, air and liquid. Contactor vs relay electrical engineering stack exchange.

Oo engineering books written for design engineers, not relay testers. This course is intended for relay technicians or protection engineers and system consultants with an interest in relay testing. Maximum allowable voltage drop for any relay or switch contact is 300mv. If yes continue below tests the coil of the relay or contactor is probably open.

Measured entities phase a earth fault lockout relay initiates a trip. Sel710 motor protection relay schweitzer engineering. Eu declaration of conformity electronic overload relay efxxxdu and accessories german, english, french. Collection of softstarter software and tools test out our software application. Otherwise, relay will trip early and you will not get correct results. Easily collect and disclose nerc prc005 compliance data.

Mechanical contactor operation and testing using relay. Because of this, relays are often used as a middleman between the electronic circuit and the contactor. In process industries, a contactor is a vessel where two streams interact, for example, air. Simulate sel relay data to configure and test substation. The coil consists of many winds to a wire and is energized by a smaller voltage. Oo uses the most efficient and effective relay testing techniques used today. The coil of a relay or contactor is used to close the contacts by creating a magnetic field that will pull the plunger into the magnetic field. Applications range from classic panel built control systems to modern interfaces between control microprocessors and their power circuits or any application where reliable galvanic separation is required between different circuits. A4 iec contactors relays a4 springer controls company 96074 chester road, yulee, fl 32097 904 2250575 fax. Remove power from the relay and remove it from its mounting bracket. The reflex 510 is a highly customisable contactor test system based on the modular. Miniature plugin relay preassembled, 6 a, 4 co, lockable test button, led, mixed terminal.

If you want to test the contact resistance with an ohmmeter instead of doing this test, pull the relay, hot wire. Mar 24, 2019 the coil of a relay or contactor is used to close the contacts by creating a magnetic field that will pull the plunger into the magnetic field. Siemens industry catalog automation technology industrial controls switching devices contactors and contactor assemblies contactor relays 3th2 miniature contactor relays, 4 and 8pole. A reading of zero volts would mean the contacts are working. Relay logic circuit rlc relay, contactor, switch and. If the answer is no, you may have an open circuit keeping the power from reaching and activating the coil. If the coil of a relay or contactor is faulty, the device will not close the contacts. A contactor rated at 75 horsepower at 480 volt ac 3phase power is shown here, both assembled and with the top cover removed to reveal the three sets of highcurrent electrical switch contacts. Large electric motors can be protected from overcurrent damage through the use of overload heaters and overload contacts. Choosing between a relay and a contactor isnt really difficult. Training developers and instructors at every level will be thrilled to simulate sel relay data. The contactor relay contacts themselves constitute a considerable safety feature. Manufacturer of relay and contactor test equipment pc based testing.

Iec contactors relays a6 springer controls company 96074 chester road, yulee, fl 32097 904 2250575 fax. Goals and symptoms compatibility zelio relays lc1 contactors. A contactor is controlled by a circuit which has a much lower power level. Protection relay guides electrical engineering portal. If the coil of a relay or contactor is faulty, the device. Solenoid relay contactor testing and troubleshooting. The electronic circuit provides the power to turn the relay on, which in turn switches a larger voltage. A contactor is an electrically controlled switch used for switching a power circuit, similar to a relay except with higher current ratings. A contactor is controlled by a circuit which has a much lower power level than the switched circuit. The relay is a well known and widely used component. Current status of contactor electrical performance testing. Tests ac and singledual coil dc relays with up to 9 form c contacts. So, if a relay has a same switching current with a contactor, which one to choose. It allows users to test our different relay tester.

What is the difference between a contactor and a relay. Ac contactor not pulling in 10 reasons why youtube. Relay a device, usually consisting of an electromagnet and an armature, by which a change of current or. The software uses vb programming, and the interrupt handler implements functions such as data sampling and logic control. It has an overload relay which is attached physically and electrically. We provide yearround training on our products and general relaying principles. Our comprehensive and intuitive relay software speeds up testing times with a vast library of predefined test regimes or manual. The general software package contains the common used modules which can meet the general relay. A coil of a contactor or relay should be checked for opens, shorts, or a measurable resistance. The multiple protection function of todays protection relay systems requires a new level of sophisticated test hardware and software to completely analyse the operation of the unit in a real life situation. To be really certain, check the voltage at the coil terminals while it should be turned on. Relay offers an integrated suite of products including backoffice software and etrading platform for motor, home, commercial vehicle, lifeinvestment, and commercial lines panels.

Students will learn basic relay testing skills, acquire skills required to work with sel relays, such as using relay word bits and relay event reports, and practice acquired skills by working with a. A magnetic contactor or starter is uniquely made to produce power for electric motors. Control relay switch chattering noises or chattering at contactor switches in air. A contactor is a large relay, usually used to switch current to an electric motor or another highpower load. High volts for this reading would show that the contacts are damaged or burned. It is a switch thats run by electricity and is used to operate electric motors, lighting, heating, and.

Automated batch processing of tests enables you to meet. Proper coil drive is critical to good relay and contactor. The relay testing handbook series valence electrical training services started with a paper presented at a major electrical testing conference that turned into the relay testing handbook series, a comprehensive series of nine books, each of which covers a specific. Proper coil drive is critical to good relay and contactor performance page 2 of 3. Another type of overload motor is the electronic type which continuously watches the motor current, whereas the thermal overload relay shuts off the motor depending on the rise of temperatureheat of. Difference between contactor and relay difference between. A contactor is an electricallycontrolled switch used for switching. Check to make sure your getting power to it and the voltage is correct. The very first thing that you should check is if the contactor coil can still move the contact assembly. As known, contactor is used to switch higher capacity than relay.

Each of these packages contains different tests for different users needs. Each phase switch contact is actually a series pair of contacts that make and break simultaneously with the actuation of a ferrous armature attracted. How to test the voltage drop of a relay contact avi ondemand. Ra english pdf certificate cb test certificate contactors ua16 english pdf. Contactors and relays perform the same task of switching a circuit. Consult te relay products exposed to maximum loading, maengineering for advice. Products low voltage test reflex 510 applied relay testing. Relay products are the market standard in ireland, and the company serves more than 400 customers with over 3,000 insurance professional users in the irish market. If the seriesconnected heaters get too hot from excessive current, the normallyclosed overload contact will open. Sep 29, 2018 is your ac contactor not pulling in the plunger. Pw460 pw460 615a, 4300v is the 3 phase relay test equipment can test all types of protective relays. Power test is the software that includes all our relay testers.

Installation of protection relays at site creates a number of possibilities for. The sirius contactor relay 3rh21221bb40 from siemens with its 2 no and 2 nc contacts and a control voltage of 24 v dc is the ideal contact element for your controller. Jun 10, 2014 contactors and relays perform the same task of switching a circuit. First look at the relay or contactor to find out what voltage it takes to pull in the coil. This relay test kit has inbuilt output monitoring and recording function and also supports. Rxm4ab2bdpvm miniature plugin relay preassembled, 6 a, 4. It can detect motor overload which triggers the supply voltage to open and start. Bud industries jbh4956ko steel nema 1 sheet metal box with knockout and hinged cover, 6.

All tests are initiated wirelessly via the ots application software, which is installed on. Working of relayshow relay works,basics,design,construction. Caution after each test, cool the relay for minimum 10 minutes. The contact between the strip and the contactor causes the contactor to deenergize and restricts the power to the motor, and thus turns it off.

If the relay or contactor is subjected to a large shock event, like an earthquake. If you see from the application point of view, you would have seen contactors placed in control panels of industrial motors. Mechanical contactor operation and testing using relay youtube. Abb library is a web tool for searching for documents related to abb products and services. If you see from the application point of view, you would have seen contactors placed in control panels of industrial motors or other heavy loads. The coilactuated switch operates exactly like a relay, but a contactor typically handles higher amperages in the switch mechanism itself. Contactor relay siemens sirius 3rh21221bb40 automation24. In semiconductor testing, contactor can also refer to the specialized socket that connects the device under test. Set the relay and calculate the test current as follows. Consult te relay products exposed to maximum loading, maengineering for. Current status of contactor electrical performance testing technology.

Matlab software is used to simulation this new transformerwith the application of plc and new transformer to the electrical life test of ac contactor on. Software for easy setup and update of pse and pstx, using a pc pstx simulator software application for testing and learning more about pstx softstarter. Even if the scheme has been thoroughly tested in the factory, wiring to the cts and. Tst 101 provides a beginnerlevel introduction to testing sel relays. Applications range from classic panel built control systems to modern interfaces between control microprocessors and their power. Measure the voltage across the relay where the 110volt ac current enters and exits the relay. Sep, 2014 a project of operation of mechanical contactor using microcontroller operated 12v miniature relay. Megger developed the first software driven protective relay test system in 1984, and we continue to provide models ranging from computer. Rtms, relay test management software, is the culmination of over 35 years of automatic relay testing experience. So it is crucial to test a relay if it stopped working before you replace it or throw it away. The system is supplied with windows based software to allow the test sequence to. But there some relays can switch high current too, such as, some power relays can switch current beyond 100a, and there are contactors to switch only 160a. Enoserv software and services makes workers faster, enabling you to meet testing deadlines in less time.