DigitAx User Guide
Issue code: dgxu4
5-5
L1 L2 L3UVW R+
L1 L2 L3
L1 L2 L3
Optional external braking resistor
Protect and shield the resistor with a
metal grille.
Use armoured or shielded cable to
connect the braking resistor.
Alternative location
of fuses or MCB
Example connections using a
DIN-rail connector
Bond armour or shields to
back-plate using an uninsulated
terminal.
Bond the DIN-rail to the back-plate.
2 ferrite rings
Part No. 4200-0000
2 turns of each phase
RFI filter
Drive
Safety ground
terminal
Bond the armour or shield to the back-plate.
If the enclosure construction permits, you may instead
bond the armour or shield to the enclosure at the cable
entry point.
Refer to
Radiated emissions
in the
EMC Data Sheet
.
Flat flexible conductor
(braid)
Min. width: 10mm (½ in)
Max length: 90mm (3½ in)
Extension bus-bar
Max. length: 60mm (2½ in)
Alternative safety
ground connection
for the motor
Optional motor isolator
Armour or shields must be bonded using the
isolator case or a flat, wide conductor.
Maximum length of conductor: 100mm (4 in)
Back-plate
Enclosure
Bond the armour or shield to the back-plate.
If the enclosure construction permits, you may instead
bond the armour or shield to the enclosure at the cable
entry point.
Refer to
Radiated emissions
in the
EMC Data Sheet.
Alternative motor and braking resistor connections
Use these wiring techniques as appropriate for the following:
Motor connected to the Drive through a terminal block.
Wiring to optional braking resistor external to the enclosure and the resistor shielding.
Connect the cable
shields to terminal
B18 (0V connection).
Refer to the signal
connections
diagram.
Do not connect the
cable shields to the
resolver or motor.
Alternative safety ground
connection for the motor
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