Lenze 8400 protec, Hardware Manual

Page: 108 / 198

Electrical installation − EMS version
Important notes
Electrical isolation
7
108
EDS84DPS424 EN 5.0
7.1.1 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.
X10
X11
X20
X21
X21
X3x
X4x
X 7 0
X8x
X10
( 24 V )
( T1/T2 )
 ‚
X50
E84DWPT006
Fig. 7−1 Electrical isolation between power terminals, control terminals and housing
Isolation by functional insulation
I Isolation by basic insulation
II Safe isolation by double or reinforced insulation
Protection against accidental contact is guaranteed without any further
measures.
Power terminals
X10, X11 Mains
X21 Motor
X20 Brake resistor
Control terminals
X10 (24 V) 24 V supply voltage for the motor holding brake
X21 (T1/T2) Motor temperature monitoring
X3x Fieldbus communication, CAnopen Master PLC
X4x Digital inputs/outputs
X50 Analog input
X70 Diagnostics
X8x SSI, RS485/422
7.1.2 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
Unused control inputs and outputs must be closed according to the intended type of
protection.