9400 HighLine | Commissioning guide
Safety instructions
26 L EDB94AXX6954 DE/EN/FR/ES/IT 4.0
2 Safety instructions
Protection of persons
Before working on the controller, make sure that no voltage is applied to the power
terminals since
– the power terminals U, V, W, +UG, -UG, Rb1 and Rb2 remain live for 3 ... 20 minutes
after the mains has been disconnected.
– the power terminals L1, L2, L3; U, V, W, +UG, -UG, Rb1, and Rb2 remain live even if the
motor has been stopped.
Device protection
Plug on/remove all pluggable terminals only in deenergised state!
Cyclic
connection/disconnection of the mains voltage can overload and destroy the
input current limitation of the controller:
– Cyclic mains switching of 5 times in 5 minutes is permissible without restrictions.
Observe the tightening torque defined in the documentation for the electrical screw
connections so that they cannot loosen during operation (due to temperature
influence or mechanical load).
Motor protection
Some controller settings can lead to motor overheating:
– e.g. longer operation of the DC injection brake.
– Longer operation of self-ventilated motors at low speed.
If a switching element included in the motor cable is to be switched when the controller
is enabled, the switching element must be rated to the max. DC-bus voltage.
Protection of the machine/system
Drives can reach dangerous overspeeds (e.g. setting high output frequencies for motors
and machines which are not suitable):
– The controllers are not protected against those operating conditions. Therefore
provide the system with additional components.
Danger!
The controller is a source of danger which may cause death or serious personal
injury or property damage.
To avoid these dangers, observe the general safety and application notes in the
Mounting Instructions before switching on the controller!
Furthermore, observe the following notes for commissioning!
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