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M60 Motor Protection System | The M60 Motor Protection System, part of the UR family of protective relays, is a microprocessor-based relay intended for the protection of medium and large sized medium voltage induction motors. It may be used as a standalone device or as a component of an automated control system.
Protection functions include stator restrained-differential, thermal overload, overcurrent, overvoltage, undervoltage and reverse phase sequence. The thermal overload element is based on a thermal model with both unbalance and stator RTD biasing. Other functions include power metering, phasor representation
of voltage and current, and contact input and output status.
What's New in the M60:
Remote RTD (RRTD) Module - Enables monitoring of Remote RTDs
- Provides support to remotely monitor and meter up to 12 programmable RTDs
- Designed to be installed close to the motor to reduce the number of RTD cables
Fully Compatible with GE Multlilin's HardFiber System - Provides support for GE's IEC 61850 HardFiber Process Bus Solution:
- Complete IEC61850 Process Bus Solution providing resource optimization and minimizing total P&C lifecycle costs
Security Enhancements - Enabling NERC CIP compliance:
- Commands and status
- Dual Permission access requiring live permission from both the user and from SCADA operators before settings can be changed or commands can be given to the relay
- Logging of user commands in the security audit trail relay - creates a record and sequence of events for troubleshooting and security auditing
Ambient Temperature Monitoring:
- Provides alarms when the ambient temperature exceeds hot extreme
Features and Benefits FlexLogic™ programmable logic Virtual I/O (reduce hardware cost) Expandable I/O Flash memory for field upgrades Optional user programmable pushbuttons User programmable LEDs, fault reports, display messages, and self tests Drawout modules for serviceability Common modules (reduce spares cost) Test mode for I/Os IRIG-B time synchronization and repeater Optional internal RTDs and external RTD module Applications Medium and large induction motors Component in control system
Protection and Control Thermal overload Stator restrained differential Current unbalance Phase, neutral, ground IOC Reverse phase sequence, ground TOC Phase overvoltage Tripping without Logic for direct tripping without the need for configuring Flexlogic Equations Double Point Breaker/Switch Status Support for Third Harmonic Undercurrent Protection Under/Over Frequency Protection Two-Speed Motor Protection Enhanced RTD Protection Underpower Protection Reduced Voltage Starting Enhanced Thermal Overlaod Algorithms Support for IEC60255-8 Thermal Overload curves Enhanced Motor Health Diagnostics - The M60 creates a detailed log of motor operation for the last 250 motor starts Monitoring and Metering Stator temperatures via RTDs Current, voltage, power, power factor, frequency and energy 64 samples/cycle oscillography 1024 Sequence of Events recorder Self diagnostics User Interface 2 x 20 character front panel display and keypad for local access 48 programmable LED indicators 48 programmable LED indicators Multi-language support - French, Chinese, Russian options Communications
Front Panel RS232 port Up to two RS485 ports (up to 115 kbps) Ethernet port: Redundant 10BaseFL or 100BaseFX fiber optics Embedded Ethernet Switch for direct networking of UR devices Inter-relay communications interfaces, RS422, G.703, IEEE C37.94 Direct I/O - Exchange inputs and outputs between relays with reduced wiring Modbus RTU and TCP/IP IEC61850 DNP 3.0 RTU and TCP/IP IEC60870-5-104 Ethernet Global Data (EGD)
Security
Remote and Local Setting and Control passwords Configurable lockout responses to unsuccessful password access attempts Successful password access logged in Event Record Motor Auto-Configurator |