Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 209

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Rockwell Automation Publication 193-UM015B-EN-P - June 2014 209
Chapter 6
Commands
Introduction
The purpose of this chapter is to provide detailed information regarding the
resetting, clearing, and pre-configuration functions of the E300 Electronic
Overload Relay. The E300 Electronic Overload Relay provides three types of
commands:
Trip R ese t
Configuration Preset
Clear Command
Trip Reset
Trip Reset (Parameter 163) allows the user to reset an E300 Electronic Overload
Relay when it is in a tripped state. Trip Reset has the same functionality as
pressing the blue reset button on E300
communication module and using the
Trip Reset bit in the consumed output assemblies of a communications network.
A trip reset can only be performed when all conditions for the trip event have
been cleared. For an overload trip event, the % Thermal Capacity Utilized
(Parameter 1) must be below the value specified in Overload Reset Level
(Parameter 174).
Table 208 - Trip Reset (Parameter 163)
Configuration Preset
The E300
Electronic Overload Relay has a number of preset configurations
which allows the user to quickly configure all of the configuration parameters
needed for a specific operating mode in a single command. This command also
allows the user to restore the factory default values for all configuration
parameters in the E300
Electronic Overload Relay.
Default Value 0 = Ready
Range 0 = Ready
1 = Trip Reset
Parameter Type USINT
Size (Bytes) 1
Scaling Factor 1
Units
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