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Details the technical specifications of the relay, covering inputs, outputs, protection elements, control, communications, and physical properties.
Covers important interconnection aspects for instrument transformer inputs, other inputs, outputs, communications, and grounding.
Outlines the capabilities of the PC Program for training, testing, setpoint management, simulation, and firmware upgrades.
Details communication configuration, firmware upgrading, entering setpoints, viewing actual values, and saving/loading setpoint files.
Details the front panel interface components: display, LED status indicators, control keys, and RS232 program port.
Explains how the relay measures currents, voltages, frequency, and other derived quantities.
Details hardware (jumper) and passcode security features to protect against unauthorized setpoint changes.
Explains the passcode security feature and its settings for enabling/disabling setpoint access.
Details communication ports (COM1, COM2, RS232) and their programmable settings.
Explains the critical setpoints for current sensing, including CT input specifications.
Details setpoints for control functions like Local Mode, Reset, Remote Open/Close, Cold Load Pickup, and Setpoint Group control.
Explains how logic input functions block various operations within the relay.
Explains how logic input functions allow overcurrent protection elements to be blocked.
Describes the eight electromechanical output relays and their configuration options.
Explains programming of time-current characteristics using Pickup, Curve Shape, Multiplier, and Reset Time.
Explains directional overcurrent relaying and details phase, neutral, ground, and negative sequence directional elements.
Explains undervoltage and overvoltage protection elements for various applications.
Details the breaker failure feature which monitors phase currents after a trip command.
Explains how setpoints are reproduced in four groups for automatic and manual changes to protection settings.
Explains how to program the relay to block overcurrent elements during manual breaker close.
Details programming to block instantaneous overcurrents and raise pickup levels during cold load conditions.
Describes the Transfer scheme for minimizing outage effects by opening/closing breakers to transfer to a live source.
Explains the flexible autoreclose scheme, including dead times, current supervision, and zone coordination.
Details the ability to override normal function of solid state and output contacts for testing.
Describes the simulation feature for testing relay functionality without external inputs, including prefault, fault, and postfault states.
Provides general notes on the 750/760 relay's communication capabilities using Modbus or DNP protocols.
Discusses details of the Modbus protocol, including data link layer, packet format, function codes, and CRC-16 algorithm.
Provides a detailed organization of the Modbus memory map, including register addresses, descriptions, ranges, units, types, and factory defaults.
Outlines procedures for verifying proper relay operation and programming.
Covers safety precautions, conventions, required test equipment, and installation checks.
Describes procedures for testing output relays by forcing them to energize or de-energize.