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7
Electrical installation − EMS version
Important notes
Electrical isolation
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.
X20
Fig. 7−1
7.1.2
Device protection
In case of condensation, do not connect the controller to the mains voltage before
ƒ
the moisture has evaporated completely.
The controller must be protected by external fuses.
ƒ
Unused control inputs and outputs must be closed according to the intended type of
ƒ
protection.
108
X10
X10
(24 V)
X11
X21
X21
(T1/T2)
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
l
‚
X8x
X3x
X70
X50
X4x
E84DWPT006
EDS84DPS424 EN 5.0
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