Connecting; System Connection; Safety Instructions - Siemens SINAMICS V90 Operating Instructions Manual

Connecting

4.1

System connection

4.1.1

Safety instructions

Personal injury and damage to property from improper connections
Improper connections have high risks of electrical shock and short circuit, which will
jeopardize personal safety and equipment.
• The drive must be directly connected with the motor. It is not permissible to connect a
• The line supply voltage must be within the allowable range (refer to the drive rating
• Never wire up the U, V, W terminals in an interchanged phase sequence.
• If the CE marking for cables is mandatory in some cases, the motor power cable, line
• For terminal connection, make sure that the clearances in air between non-insulated live
• Cables connected may not come into contact with rotating mechanical parts.
Death or severe personal injury from electrical shock
The earth leakage current for the drive can be greater than 3.5 mA AC, which may cause
death or severe personal injury due to electrical shock.
• A fixed earth connection is required to eliminate the dangerous leakage current. In
Danger to life when PE connectors are touched
When the equipment is working, hazardous touch current can be present at the PE
connectors; if touched, this can result in death or severe personal injury.
• Do not touch the PE connector during operation or within a certain period since power
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2020, A5E37208830-008
WARNING
capacitor, inductor or filter between them.
plate). Never connect the line supply cable to the motor terminals U, V, W or connect
the motor power cable to the line input terminals L1, L2, L3.
supply cable and brake cable used must all be shielded cables.
parts are at least 5.5 mm.
WARNING
addition, the minimum size of the protective earth conductor shall comply with the local
safety regulations for high leakage current equipment.
WARNING
disconnection.
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