Emerson SP2401 - Motor Connection; Cable Length; Calculating the Cable Length of the Regen System

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Unidrive SP Regen Installation Guide 41
Issue Number: 2 www.controltechniques.com
4.4.3 Motor connection
C is the AC cable length between the motoring drive and the motor.
Figure 4-5 Calculating the cable length of the regen system
4.4.4 Cable length
The sum total length of the DC bus and motor cables (B and C in Figure
4-5) must not exceed the values shown in the table below:
Table 4-5 200V Regen system maximum cable lengths
Table 4-6 400V Regen system maximum cable lengths
± DC bus connections
R
e
g
e
n
d
r
i
v
e
M
o
t
o
r
i
n
g
d
r
i
v
e
Regen inductor Motor
Cable length B
C
a
b
l
e
l
e
n
g
t
h
A
C
a
b
l
e
l
e
n
g
t
h
C
Model
200V Nominal AC supply voltage
Maximum permissible cable length
3kHz 4kHz 6kHz 8kHz 12kHz 16kHz
SP1201 65m (210ft)
50m
(165ft)
37m
(120ft)
SP1202 100m (330ft)
75m
(245ft)
SP1203 130m (425ft)
100m
(330ft)
SP1204
200m
(660ft)
150m
(490ft)
SP2201
SP2202
SP2203
SP3201
SP3202
SP4201
65m
(210ft)
65m
(210ft)
65m
(210ft)
65m
(210ft)
SP4202
SP4203
SP5201
250m
(820ft)
185m
(607ft)
125m
(410ft)
90m
(295ft)
SP5202
SPMD1201
250m
(820ft)
185m
(607ft)
125m
(410ft)
SPMD1202
SPMD1203
SPMD1204
Model
400V Nominal AC supply voltage
Maximum permissible cable length
3kHz 4kHz 6kHz 8kHz 12kHz 16kHz
SP1405
200m
(660ft)
150m
(490ft)
100m
(330ft)
75m
(245ft)
50m
(165ft)
37m
(120ft)
SP1406
SP2401
SP2402
SP2403
SP2404
SP3401
SP3402
SP3403
SP4401
250m
(820ft)
185m
(607ft)
125m
(410ft)
90m
(295ft)
SP4402
SP4403
SP5401
SP5402
SP6401
SP6402
SPMA1401
SPMA1402
SPMD1401
SPMD1402
SPMD1403
SPMD1404