Operator Interfaces, Switches & Relays


Protection relay for plant automation

December 2013 Operator Interfaces, Switches & Relays

NewElec’s MB relay is ISO 9001:2000 compliant and features starter logic and function blocks which, coupled with its multi-protocol communication options, make it an ideal solution for plant automation. All configurable inputs have 73 possibilities that include alarm and trip flags, timers, function block and RTC outputs, digital field and PLC inputs.

The MB relay is fully configurable with the aid of free front-end software or a man machine interface unit. Up to 1440 event records can be date and time stamped and viewed in MS Excel. Essential statistical data ensures information retrieved from the relay can be used for maintenance purposes before drive failure. The three-phase recorder allows the user to record motor currents, voltages, thermal capacity and power factor which can be monitored and analysed in real time. This is particularly useful when tripping occurs for no obvious reason.

Plugged into the basic unit, the expansion module caters for Profibus, Modbus and CANbus communication modules. The base unit comes complete with an integrated CTMB and CBCT current measurement range from 0,5 to 250 A. The relay is fitted with seven field inputs and four relay outputs with individual fault and I/O status indicating LEDs.

For more information contact Luc Dutrieux, NewElec, +27 (0)12 327 1729, [email protected], www.newelec.co.za



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