Parker Hannifin S.p.A. - S.B.C. Division HPD N User’s Manual
18
3.7. Power connections
For the motor cable consider
Choice between cable for fixed or floating installation.
Cable must be shielded and suitably sized in terms of insulation and wire sections.
Reticulated polypropylene is the preferred insulation material.
Length (max 100 m); note that conductor-conductor capacitance must not exceed 8 nF.
If cable length exceeds 35 m install a triple inductance between drive and motor with rated
current identical to HPD rated current.
Minimum conductor size is 1.5mm
2
for HPD2N and HPD5N , 2.5mm
2
for HPD8N and
4mm
2
for HPD16N, HPD20N and HPD24N.
For the mains power cable
Power cables must not be shielded.
Minimum conductor size is 1.5mm
2
for HPD2 and HPD5, 2.5mm
2
for HPD8 and 4mm
2
for HPD16 HPD20N and HPD24N.
Input fuses must be rated as follows:
MODEL Slow blow fuses
(A)
HPD2N 6
HPD5N 10
HPD8N 16
HPD16N 20
HPD20N 25
HPD24N 25
Resolver cable
The cable must comprise 4 twisted pairs with individual shields and one common shield.
Capacitance for the length of cable must not exceed 10 nF; wire size must be no less than
0.35mm
2
.
Maximum length is 100 m.
See the section “resolver connections”.
EMI filter connection
The connection between filter and drive must never exceed 30 cm. If the distance is less
than 15 cm unshielded cables are possible, otherwise a shielded cable must be used.
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