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Beckhoff
6.2.6
Motor chokes 3YLN
To use with long motor cables to reduce velocity ripple. The terminals BR are used to connect the
motor holding brake. Beside the terminal are block two shield connection terminals for safe connec-
tion of the cables's shielding braid.
Mount the choke nearby the servo amplifier. The cable length between amplifier
and choke must not exceed 2m. Connection diagram see page 45.
The increased absorption reduces the permissible rotative frequency and limits thereby the permit-
ted motor speed:
— with 6 poles motors to
— with 8 poles motors
— with 10 poles motors
The increased leakage current at rising cable length leads to the reduction of usable amplifier
output current of about 3A. The used motor should need 6A rated current at least, so that a good
regulation quality is reached.
Technical data
Rated current
Peak current
Winding inductance
Winding resistance
Power loss
Rotative frequ. (max)
Clock frequency
Test voltage
Overload
Climatic category
Weight
Connection diameter
A
B
C
D
E
F
AX2040/2070 Installation Manual
02/06
n
= 3000 rpm
max
n
= 2250 rpm
max
n
= 1800 rpm
max
Dim
3YLN40
A
3x40
A
80
mH
0,15
Ohm
1,51
W
65
Hz
kHz
-
A
-
kg
10,3
mm²
10
mm
210
mm
175
mm
120
mm
85
mm
260
mm
6,5 x 10
Expansions, accessories
150
2 - 8
Phase<->PE 2700V DC 1s
1,5 x Inom, 1 min/h
DIN IEC 68 Part 1 25/085/21
3YLN70
3x70
140
0,05
0,7
70
15,3
10
210
175
120
85
260
6,5 x 10
93
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