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Application filed by Schneider Electric SafiledCriticalSchneider Electric Sa
Priority to TW086100540ApriorityCriticalpatent/TW344156B/en
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Publication of TW344156BpublicationCriticalpatent/TW344156B/en
An electronic relay including current sensors (21, 22, 23) mounted, between terminals (L1, T1, L2, T2, L31, T3), in series on alternating current power supply lines to a load (M), which is characterized in that a back of a case of the electronic relay includes a power card (C1) linked to the current sensors (21, 22, 23) and connected via connectors to electronic daughter cards (C2, C3, C4) carrying lateral terminal blocks (B1 and B2) which have outputs in the lateral openings of the case; and a front of the case (1) includes a dialogue and communication card (C5) connected to at least one of the daughter cards (C3).
A data communication system of the field bus type with a twin lead for power supply to connected units as well as for data transmission between the units