Siemens SINAMICS V90 Operating Instructions Manual page 22

Safety instructions
1.2 Additional 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
• Make sure that all connections are correct and reliable, the drive and the motor are well
• 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 box connection, make sure that the clearances in air between non-insulated
• Route signal cables and power cables separately in different cable conduits. The signal
• Cables connected may not come into contact with rotating mechanical parts.
Personal injury and damage to property from inadequate protection
Inadequate protection may cause minor personal injury or damage to property.
• The drive must have been disconnected from the power supply for at least five minutes
• Check that the equipment is dead!
• Make sure that the drive and the motor are properly grounded.
• Route a second PE conductor with the cross section of the supply system lead in
• Terminals for equipotential bondings that exist in addition to terminals for PE conductors
• To ensure protective separation, an isolating transformer must be used for the
NOTICE
Damage to property from incorrect input voltage
Incorrect input voltage will cause severe damage to the drive.
It is recommended that the actual input voltage should not be greater than 110% of the
rated voltage or smaller than 75%.
22
WARNING
capacitor, inductor or filter between them.
grounded.
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.
live parts are at least 5.5 mm.
cables shall be at least 10 cm away from the power cables.
CAUTION
before you perform any wiring to it.
parallel to the protective earth via separate terminals or use a copper protective earth
conductor with a cross section of 10 mm
must not be used for looping-through the PE conductors.
200 VAC/380 VAC line supply system.
.
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SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884