Lenze i550 Series User Manual

Operating instructions i550 motec frequency inverter | 18
© 03/2022 · EN · www.Lenze.com
Functional safety
DANGER!
Uncontrolled start-up
Improper installation of the safety engineering system can cause an uncontrolled starting
action of the drives.
Possible consequences: Death or severe injuries
• Safety engineering systems may only be installed and commissioned by qualied personnel.
• All wiring must be EMC-compliant.
• All control components (switches, relays, PLC, ...) must comply with the requirements of EN
ISO13849-1 and EN ISO 13849-2.
• Switches, relays with at least IP54 enclosure.
• Devices with a degree of protection less than IP54 must always be installed in a control
cabinet with a minimum protection class of IP54.
• The wiring must be shielded.
• It is essential to use insulated wire end ferrules for wiring.
• All safety-relevant cables outside the control cabinet must be protected, e.g. by means of a
cable duct.
• Securely eliminate short-circuits and crossed wires according to the specications of
ENISO13849-2.
• Please refer to EN ISO13849-1 and EN ISO 13849−2 for all further requirements and
measures.
• In the case of an external force eect on the drive axes, additional brakes are necessary. In
particular, please observe the eect of gravitational force on hanging loads!
• For safety-related braking functions, use safety-rated brakes only.
• The user must ensure that the inverter is only operated within the specied environmental
conditions in its intended application. Only by doing so can the specied safety-related
characteristics be adhered to.
DANGER!
Automatic restart when the requirement of the safety function is disabled.
Possible consequences: Death or severe injuries
• You must implement external measures in accordance with EN ISO 13849-1 to ensure that
the drive only starts up again after an acknowledgment.
NOTE
Overvoltage
Possible consequences: Destruction of the safety component
• Make sure that the maximum voltage (maximum rated) at the safe inputs does not exceed
32 V DC.
NOTE
Excessive humidity or condensation
Possible consequences: Malfunction or irreparable damage to safety component
• Only commission the safety component when it has acclimatized.
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

Lenze i550 Series Specifications

General

Brand	Lenze
Model	i550 Series
Category	Inverter
Language	English