Residual Hazards - Lenze 8200 vector Instructions De Montage

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Safety instructions
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Residual hazards

Protection Before working on the controller check that no voltage is applied to the power terminals, the
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of persons
relay output and the pins of the FIF interface.
– because the power terminals U, V, W, BR1, BR2 and the pins of the FIF interface remain
live for at least 3 minutes after mains switch-off.
– because the power terminals L1, L2, L3; U, V, W, +UG, -UG, BR1, BR2 and the pins of the
FIF interface remain live when the motor is stopped.
– because the relay outputs K11, K12, K14 can remain live when the controller is
disconnected from the mains.
If you use the function "Selection of the direction of rotation", which is not protected against
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open-wire, via the digital signal DCTRL1-CW/CCW (C0007 = -0- ... -13-, C0410/3 ≠ 255):
– The drive can reverse the direction of rotation in the event of a control-voltage failure or
an open circuit.
If you use the function "Flying-restart circuit" (C0142 = -2-, -3-) with machines with a low
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moment of inertia and a minimum friction:
– The motor can start for a short time or reverse the direction of rotation for a short time
after controller enable while the motor is at standstill.
The heatsink of the controller has an operating temperature of > 80 °C:
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– Direct skin contact results in burnings.
Controller
All pluggable connection terminals must only be connected or disconnected when no voltage
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protection is applied!
Cyclic connection and disconnection of the controller supply voltage with L1, L2, L3 can
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exceed the input current limit:
– Allow at least 3 minutes between disconnection and reconnection.
Depending on the controller settings, the connected motor can be overheated:
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– For instance, longer DC-braking operations.
– Longer operation of self-ventilated motors at low speed.
Overspeeds Drives can reach dangerous overspeeds (e.g. setting of inappropriately high field
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frequencies):
– The controllers do not offer any protection against these operating conditions. For this,
use additional components.
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EDK82EV222 DE/EN/FR 6.0
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