Copyright 2013 by Siemens AG
A5E03850027
1
SINAMICS V70 Servo Drives
Safety Instructions
08/2013
Read carefully the safety instructions in this manual before operating.
Failure to follow them can result in death, severe personal injury or
considerable damage to the equipment. Without prior authorization,
you are not allowed to perform any modification on the drive.
1. General
Warning labels on servo drives
Risk of electrical shock. Do not touch any terminals or disassemble
cables until the drive has been disconnected from power for at least 5 minutes.
Hot surface. Do not touch the heat sink of the drive during operation or
within a certain period since power disconnection because its surface
temperature is higher than 65 °C.
Caution. Pay attention to the information given on the rating plate and
operating instructions.
For more information, refer to SINAMICS V70/SIMOTICS 1FL6 Operating
Instructions.
WARNING
Death or severe personal injury from violations of five safety
rules
When carrying out any kind of work on electrical devices, the "five
safety rules" according to EN 50110 must always be observed:
1. Disconnect the system.
2. Protect against reconnection.
3. Make sure that the equipment is de-energized.
4. Ground and short-circuit.
5. Cover or enclose adjacent components that are still live.
Failure to observe the above five rules can result in death, severe
personal injury or considerable damage to property.
WARNING
WARNING
Death or severe personal injury from maloperations
Maloperations may cause death, severe personal injury, or considerable damage
to property.
Only qualified personnel should be allowed to work on the drive system and
only after becoming acquainted with all the safety notices regarding installing,
connecting, commissioning, operation and maintenance as set out in this
manual. In addition, both the motor and the drive are maintenance-free, and
thus it is forbidden to open them or repair them.
2. Transport and storage
NOTICE
Property loss
Notify Siemens service personnel immediately of any damage discovered after
delivery. If the equipment is put into storage, keep it in a dry, dust-free, and low-
vibration environment. The storage temperature ranges from -40°C to +70 °C.
Otherwise you will suffer property loss.
3. Mechanical installations
Death or severe personal injury from harsh installation environment
A harsh installation environment will jeopardize personal safety and equipment.
Therefore,
Do not install the drive and the motor in an area subject to inflammables or
combustibles, water or corrosion hazards.
Do not install the drive and the motor in an area where it is likely to be
exposed to constant vibrations or physical shocks.
Do not keep the drive exposed to strong electro-magnetic interference.
Make sure that no foreign body (e.g., chips of wood or metal, dust, paper, etc.)
can be seen inside the drive or on the heat sink of the drive.
Make sure that the drive is installed in an electrical cabinet with an adequate
protection class.
NOTE
NOTE
NOTE
NOTE
Mounting clearance
To guarantee good heat dissipation and ease of cabling, keep sufficient
clearance between drives, one drive and another device/inner wall of the cabinet.
For details, refer to SINAMICS V70/SIMOTICS 1FL6 Operating Instructions.
Screw tightening for mechanical installation
Siemens recommends that you tighten the screw on the terminal door of the
drive, after you have completed the installation work.
Recommended tightening torque
M3 (for terminal doors) 0.5 Nm
M5 (for back plate) 2.0 Nm
4. Electrical installation
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 5 minutes before you perform any wiring to it.
Check that the equipment is dead!
Make sure that the drive and the motor are properly grounded.
All the external DC supply voltage used with the equipment must
be derived from safety extra low voltage (SELV) supply based on
EN 61800-5-1.
The communication port and the control terminals are double
insulated and meet the requirements for SELV (Safety Extra Low
Voltage) in EN 61800-5-1, and it shall be connected to other
circuits classified as SELV.
Route a second PE conductor with the cross-section of the supply
system lead in parallel to the protective earth via separate
terminals or use a copper protective earth conductor with a cross-
section of 10 mm
2
.
Terminals for equipotential bondings that exist in addition to
terminals for PE conductors must not be used for looping-through
the PE conductors.
To ensure protective separation, an isolating transformer must be
used for the 380 V AC line supply system.
WARNING
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 capacitor, inductor or filter between them.
Make sure that all connections are correct and reliable, the drive
and the motor are well grounded.
The line supply voltage must be within the allowable range (refer to
the drive rating 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.
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 supply cable and brake cable used must
all be shielded cables.
For terminal box connection, make sure that the clearances in air
between non-insulated live parts are at least 5.5 mm.
Route signal cables and power cables separately in different cable
conduits. The signal cables shall be at least 10 cm away from the
power cables.
Cables connected may not come into contact with rotating
mechanical parts.
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%.
Cable cross-sections and screw tightening torque
Barrier terminals 2.5 mm
Pluggable terminals 1.5 mm
M4 (for barrier terminals) 2.25 Nm
M2.5 (for pluggable terminals) 0.4 to 0.5 Nm
STO wiring
The Safe Torque Off (STO) function can stop a motor using safety relays without
involving any upper level control. It is disabled in the factory configuration by
short-circuiting the STO terminals. The safety function of the servo drive is SIL 2
(EN61800-5-2). Connect the STO terminals as the actual requirements.
S
DANGER
CAUTION