Woodward highprotec MRI4, User Manual

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Revision History
Version: 3.0
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Date: 2015-October-01
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Revision: B
Hardware
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A new front plate in dark gray color replaces the blue housing that had been used for all 2.x versions.
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The new front plate features a USB interface for the connection with the Smart view operating software.
(This replaces the serial interface of the 2.x versions.)
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There is a new communication type “I” available:
RS485 (IEC 60870-5-103, MODBUS RTU, DNP3.0 RTU) + RJ45 Ethernet 100 Mbit/s (Modbus TCP,
DNP3.0 TCP/UDP)
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“Conformal coating” is available now as an order option.
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The characters -2 in the typecode signify the major version upgrade from 2.x to 3.x.
Software
The device firmware is also available in Spanish language now.
Various small changes and restructuring have been made to the menu and the display.
Protection
Cause of trips are shown directly on the display.
Low Voltage Ride Through – LVRT
A second LVRT element has been added.
Loss of Potential – LOP
The Dead Bus Detection has been made configurable.
The breaker assignment is optional. (If no breaker has been assigned then the position is ignored.)
The general IOC blocking has been removed.
The load current threshold LOP . I< can be set with a range 0.5 to 4 In.
Q->&V< / ReCon
The reconnection part has been split off and has become an independent module.
The decoupling functions of the Reconnection module has been extended to all trip commands.
SCADA
The DNP3 has been made available (with RTU/TCP/UDP).
New fiber-optic interfaces for SCADA.
Setting procedure (menu structure, default settings) has been modified.
New “SCADA connection status” signal.
Ethernet “TCP Keep Alive” according to RFC 793.
Bugfix:
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After a hardware exception, the IP address might have been lost.
717 MRI4 DOK-HB-MRI4-2E