Electrical installation
Important notes
Electrical isolation
6
47
EDS84ABD302 EN 4.0
6.1.1 Electrical isolation
The protective insulation of the ”8400 Inverter Drives” controllers is implemented
according to EN 61800-5-1. The following illustration shows the insulation concept.
X105
X4
X1
X6X6
X105
X100X109
X100X101
EPM
X100
X100
8400BLD005
Fig. 6-1 Electrical isolation between power terminals, control terminals and housing
Legend
Isolation through functional insulation
I
Isolation through basic insulation
II
Safe isolation by double or reinforced insulation
Protection against accidental contact is guaranteed without any further measures.
Range Connection Name Explanation
Power
c
X100
Mains
Safe isolation towards X101 and all control
terminals
X109 DC bus
X105 Motor
X101 Relay contact
Safe isolation towards X100, X105, X109 and all
control terminals
EPM Memory module Safe isolation towards other control terminals;
functional insulation towards power terminals
Control
d
X1 System bus (CANopen)
Basic insulation towards other control terminals;
safe isolation towards power terminals
X4
Analog IO
Safe isolation towards power terminals
Digital Inputs
Digital output
X6 Diagnostics
Safe isolation towards power terminals
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