Vigilohm System - engineering site - Schneider Electric

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MERLIN GERIN vigilohm system XD301 50507 vigirex - vigidix M M MERLIN GERIN test reset MERLIN GERIN vigilohm system XAS défaut MERLIN GERIN vigirex - vigidix MERLIN GERIN vigirex - vigidix 1 2 3 4 5 6 7 8 9 10 11 12 MERLIN GERIN vigilohm system XD312 50536 MERLIN GERIN vigilohm system XML316 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 M M test reset valeur d'isolement TEST MENU 040 K test P50 on P12 P1 0 RM 10N MERLIN GERIN vigidix MERLIN GERIN vigilohm system XLI3 0 défaut MERLIN GERIN vigilohm system XD308c test 1 2 3 4 5 6 7 8 on test reset MERLIN GERIN vigilohm system XTU3 0 GO défaut MERLIN GERIN MERLIN GERIN vigilohm system XM3 0c valeur d'isolement TEST MENU 040 K MERLIN GERIN vigilohm system XL316 S1 S2 MERLIN GERIN P O test test 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 S1 S2 test/reset Vigilohm: presentation Vigilohm System with a communication bus Vigilohm System with a communication bus The communication bus adds the following possibilities: c communication with a supervisor (transmission of measurements and reception of settings) c measure the insulation resistance and earth leakage capacitance of each circuit c centralisation of the locator measurements on the insulation monitoring device displays. DB100956 supervision and event logging supervisor printer interfaces XAS XLI200/XLI300 XTU300 insulation monitoring XML308/316 XM300c insulation fault detection and locating XD301 XD312 XRM XD308c XL308 / 316 sensors insulation monitoring and associated functions communication features In addition to displaying the insulation values it measures for the installation as a whole, an insulation monitoring device can also provide a centralised display for information concerning specific circuits. It receives this information from communicating insulation fault locators and detectors distributed throughout the installation. All this information may also be transmitted to a remote supervisory system. These communication features satisfy the operating requirements of modern electrical installations. All information concerning the insulation can be transmitted via a communication bus for display on a centralised insulation monitoring device or to a supervision system for centralised processing and management. E17057 centralisation on a supervisor centralisation on an IMD local display measurements prevention of insulation faults E17059 Prevention is the best way to ensure the continuity of supply of electrical installations. It may be applied in two ways: c the insulation monitoring device signals a drop in the insulation resistance below a non-critical prevention threshold determined by the user; c the measurements are transmitted to a supervisor, which can then process them to predict insulation faults on ageing cables. These indications can be used to schedule preventive maintenance. fault prevention preventive level fault level 10
MERLIN GERIN vigilohm system XM300c test MERLIN GERIN vigilohm system XLI300 défaut MERLIN GERIN vigilohm system XL308c vigilohm system XM200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 R C Sp Sa test/reset 1 2 3 4 5 6 7 8 9 10 11 12 test S menu ok test vigilohm system XD312 50536 M M test test reset Vigilohm: presentation Vigilohm System: general information easier operation of IT systems An installation implementing the IT system, i.e. isolated from earth or connected to earth through a sufficiently high impedance, gives top priority to continuity of supply. Today, the operation of such installations can be greatly facilitated by the use of devices that offer functions going far beyond the simple fault signalling imposed by standards. ... with Vigilohm System Vigilohm System is a range of Merlin Gerin products meeting the needs of IT systems in terms of performance, practical operation and continuity of supply. This range features modular design. It is made up of Insulation Monitoring Devices (IMDs) and fault detection and locating devices. Some of these devices make independent measurements of the insulation resistance on each circuit. In addition, the Vigilohm System can communicate with a supervisor or PLC. principle and functions The basic device is the Insulation Monitoring Device (IMD). It injects a lowfrequency AC voltage between earth and the installation. Based on a measurement of the resulting current, the Vigilohm System accurately determines the true insulation resistance of the installation and its earth coupling capacitance. This technique can be used on all types of installations: AC, DC, rectified, mixed, etc. Fault locating is the main function associated with insulation monitoring. Toroids placed on the various circuits capture a signal proportional to the current injected by the insulation monitoring device. This signal is transmitted to fault detection and locating devices which automatically identify any faulty circuit. Distributed measurements of the insulation resistance and the earth leakage capacitance are possible on each circuit via the toroids used for fault locating. Centralisation on a supervisor. Via a communication bus using JBUS protocol, the Vigilohm System can forward all measurements, information and events to a supervisor. In this way, the supervisor maintains full knowledge on the insulation status of the overall installation and the individually monitored circuits. The supervisor (or PLC) can be connected to a printer to log all events occurring on the installation, complete with location and timestamp. Adaptation to variable installation configurations. The system automatically excludes all but one insulation monitoring device connected to the same set of busbars. E20123 Other functions c measurement of the true insulation resistance c measurement of the earth leakage capacitance c indication of transient faults c prevention alarm when the insulation resistance falls below a non-critical threshold determined by the user; c remote interrogation and display, from the insulation monitoring device, of faults detected by the fault locators c setting of alarm thresholds from a supervisor c ... The system evolves with the needs of the installation. New devices can be added at any time to adapt to installation modifications or provide higher levels of monitoring. insensitivity to electrical disturbances The Vigilohm System offers both measurement accuracy and insensitivity to electrical disturbances. Designed to operate on modern installations, it is not affected by the harmonics generated by loads such as variable speed drives, UPSs and switchmode power supplies. valeur d'isolement TEST MENU ... to distributed measurements with centralised display 1,5 K E20122 insulation resistance 1.5 KΩ TEST MENU XM300c MERLIN GERIN From automatic fault locating with local display ... XLI300 supervisor insulation resistance 1.5 KΩ valeur d'isolement 1,5 K XL316 XM200 XD312 MERLIN GERIN 11
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Vigilohm System - engineering site - Schneider Electric

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