Lenze 8400 - Manual (Page 158)

Electrical installation
Important notes
Device protection
6

158 EDS84ASC552 EN 9.1
Range Connection Name Explanation
Power

X100 Mains
Protective separation towards X101, X106 and all
control terminals
DC bus
X105 Motor
Brake resistor
X101 Relay contact Protective separation towards X100, X105 and all
control terminals
X106 Motor temperature Protective separation towards X100, X105 and X101
Isolation by basic insulation towards all control
terminals
Degree of insulation of thermal contact, PTC, or
cable can influence the isolation.
Control

X1 System bus (CANopen)
Isolation by functional insulation towards other
control terminals
X3 Analog IO
X4 Digital IO
24 V external supply
The degree of insulation of the voltage source
influences the degree of insulation of the controller.
X5 Digital inputs Isolation by functional insulation towards other
control terminals
24 V external supply The degree of insulation of the voltage source
influences the degree of insulation of the controller.
X6 Diagnostics Isolation by functional insulation towards other
control terminals
X107 24 V brake supply Isolation by basic insulation towards other control
terminals
MCI Communication Isolation by functional insulation towards other
control terminals MMI Memory
Control

additional connections TopLine:
X7
Resolver
Isolation by functional insulation towards other
control terminals
X8 Encoder
X10 Axis bus
6.1.2 Device protection
ƒ In case of condensation, do not connect the controller to the mains voltage before
the moisture has evaporated completely.
ƒ The controller must be protected by external fuses.
ƒ Provide unused control inputs and outputs with terminal strips.