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Before attempting any operation with the REF 542plus, read carefully this manual first. This manual describes how to install the WebREF function of the REF 542plus. Please note that Web Page …
The ABB REF542PLUS 1VCF752000 is a state-of-the-art protective relay module designed to provide reliable and efficient protection for power systems. With its advanced features, this …
ABB 's protection and control device REF542 combined the functions of a protection relay and of a control device. Since the introduction of the device it has been used in a lot of switchgear for …
Connect the infrared (IrDa) converter to the foreseen connector on the HMI and the D-sub connector to the PC or connect the base unit to the TCP/IP port of the PC with an Ethernet cable.
View and Download ABB REF 542plus technical reference manual online. protection relay. REF 542plus pdf manual download.
View and Download ABB REF 542plus operator's manual online. Multifunction Protection and Switchgear Control Unit. REF 542plus control unit pdf manual download.
As it is shown in the figure, an appropriate cable connection, which is fixed from a specific screw on the housing to the grounding system in the LV compartment, must be foreseen.
ABB Relay setting optical communication cable, for use with the REF542Plus Local Detached Human Machine Interface (LD HMI). With a Fixed Baud Rate of 115200bps, this cable assemble has been …
The feeder terminal REF 542plus, like its predecessor REF 542, combines measurement, monitoring, protection, control and self diagnostics in one package. With its integrated communication …
When connected to an ABB station automation system, REF 542plus is synchronized via an interbay bus using the facilities of, for example, SPA protocol or ABB LON per LAG 1.4 protocol.
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