Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 159

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 424
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 158
Rockwell Automation Publication 193-UM015B-EN-P - June 2014 159
Protective Trip and Warning Functions Chapter 5
Table 152 - Under kW Warn Level (Parameter 381)
Over kW Trip
The E300 Electronic Overload Relay will trip with an Over kW indication if:
No trip currently exists
Over kW Trip is enabled
Current is present
Voltage is present
Over kW Inhibit Time has expired
The total real power (kW) is greater than the Over kW Trip Level for a
tim
e
period greater than the Over kW Trip Delay.
If the E300 Electronic Overload Relay trips on an over real power (kW), the:
TRIP/WARN LED status indicator will flash a red 2-long / 2-short blink
pa
ttern
Bit
1 in Power Trip Status (Parameter 6) will set to 1
Bit 0 in Device Status 0 (Parameter 20) will set to 1
Any relay outputs configured as a Trip Relay will open
Any relay outputs configured as a Control Relay will open
Any relay outputs configured as a Trip Alarm will close
Any relay outputs configured as a Normal Relay will be placed in their
Pr
otection Fault state (if so programmed)
Default Value 0.000
Minimum Value 0.000
Maximum Value 2000000.000
Parameter Type DINT
Size (Bytes) 4
Scaling Factor 1000
Units kW
IMPORTANT
The Under kW Warning function does not include a time delay feature. Once
the Under kW Inhibit Time has expired, the Under kW Warning indication is
instantaneous.
Vista de pagina 158
1 2 ... 154 155 156 157 158 159 160 161 162 163 164 ... 423 424

Comentarios a estos manuales

Sin comentarios