Lenze i550 User Manual

Operating instructions i550 cabinet frequency inverter | 46
© 11/2021 · EN · www.Lenze.com
LED status
Meaning of the status LEDs for the inverter:
LED “RDY” (blue)) LED “ERR” (red)) State/meaning
o o No supply voltage
Mains voltage is switched on, inverter initialized
blinking
o Inverter disabled, ready for operation
blinking fast
Safe torque o (STO) active,
warning active
blinking
o Inverter disabled
blinking fast
Inverter disabled, warning active.
Inverter disabled, error active.
on briey every 1.5s
Inverter disabled, no DC bus voltage.
o Inverter enabled
o
The motor rotates according to the specied
setpoint or quick stop active.
blinking fast
Inverter enabled, warning active. The motor
rotates according to the specied setpoint or
quick stop active.
blinking
Inverter enabled, quick stop active as response
to a fault.
Troubleshooting
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Error codes
LED statusError message
Support

Lenze i550 Specifications

General

Protection Class	IP20
Overload Capacity	150% for 60 seconds
Safety	STO (Safe Torque Off)
Voltage Range	380 V to 480 V
Control Type	Vector control, V/f control
Communication Interfaces	CANopen, EtherCAT, PROFINET, Ethernet/IP
Mains Voltage	3-phase 380 V to 480 V
Input Voltage	3-phase 380 V to 480 V
Output Voltage	0 to Mains Voltage
Frequency Range	0 Hz to 300 Hz
Protection Features	Overcurrent, overvoltage, undervoltage, short circuit, overtemperature
Ambient Temperature	-10°C to 50°C