Lenze i550 Series

Operating instructions i550 motec frequency inverter | 15
© 03/2022 · EN · www.Lenze.com
Control connections
The function assignment of connectors X3.1 and X3.2 is congurable.
By default, the connectors are congured as digital inputs (DI1 ... DI4).
• Logic level "HIGH-active" or "LOW-active", debounce time, and inversion can be
parameterized.
• LOW = 0 ... +3V, HIGH = +12V ... +30V
M12 (A coded) Pin X3.1 X3.2
3
4
5
2 1
1 24V 24V
2 DI2 DI4
3 GND GND
4 DI1 DI3
5 Not assigned

Housing is connected to functional earth
Further conguration options for the connectors can be found in the commissioning
document.
Electrical installation









3-phase | 480 V3-phase | 230/240V
3-phase | 400 V
Control connections
Connection diagram
Networks
Functional safety
Safe torque o (STO)
PTC input
Preparation