Lenze 8400 BaseLine Manual User Manual
Page 46
Electrical installation
Important notes
6
46
EDS84ABD302 EN 4.0
Stop!
Overvoltage at devices with 230-V mains connection
An impermissible overvoltage may occur if the central supply of the N
conductor is interrupted if the devices are connected to a TN three-phase
system.
Possible consequences:
ƒ
Destruction of the device
Protective measures:
ƒ
Provide for the use of isolating transformers.
Stop!
The drive controller contains electrostatically sensitive components.
The personnel must be free of electrostatic charge when carrying out assembly
and service operations.
Stop!
Terminal strips and pluggable terminal strip X109
During operation high voltages and arcing can be caused when:
ƒ
wiring of the terminal strips (inserting or removing wires).
ƒ
plugging or removing the terminal strip X109.
Possible consequences:
ƒ
Damage of the devices
Protective measures:
ƒ
Switch off device.
ƒ
Only wire the terminal strip (insert or remove wires) in deenergised status.
ƒ
Only plug or remove the terminal strip X109 in deenergised status.
Note!
Switching on the controller motor side is permissible for safety shutdown
(emergency stop) and for operation of several motor on the controller (only in
V/f operating mode!).
Please observe the following:
ƒ
When switching with the controller enabled, you can activate monitoring
functions of the controller. If no monitoring function is activated, switching
is permissible.
ƒ
The switching elements on the motor side must be dimensioned in
accordance with the maximum occurring load.