SMC Networks LECSB Series, Руководство по эксплуатации

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12 - 27
12. OPTIONS AND AUXILIARY EQUIPMENT
(d) Line noise filter (FR-BSF01, FR-BLF (Mitsubishi Electric Corporation))
This filter is effective in suppressing noises radiated from the power supply side and output side of the
driver and also in suppressing high-frequency leakage current (zero-phase current) especially within
0.5M to 5MHz band.
Connection diagram Outline drawing [Unit: mm]
Use the line noise filters for wires of the main power supply
(L
1
L
2
L
3
) and of the servo motor power supply (U V W).
Pass all wires through the line noise filter an equal number of
times in the same direction. For the main power supply, the effect
of the filter rises as the number of passes increases, but
generally four passes would be appropriate. For the motor power
supply, passes must be four times or less. Do not pass the
grounding (earth) wire through the filter, or the effect of the filter
will drop. Wind the wires by passing through the filter to satisfy
the required number of passes as shown in Example 1. If the
wires are too thick to wind, use two or more filters to have the
required number of passes as shown in Example 2. Place the
line noise filters as close to the driver as possible for their best
performance.
MC NFB
Example 1
Power
supply
Servo amplifier
Line noise
filter
L
1
L
2
L
3
(Number of turns: 4)
MC NFB
Line noise
filter
Example 2
Power
supply
Servo amplifier
L
1
L
2
L
3
Two filters are used
(Total number of turns: 4)
FR-BSF01 (for wire size 3.5mm
2
(AWG12) or less)
(Mitsubishi Electric Corporation)
4
.5
Approx.110
95 0.5
Ap
p
ro
x
.2
2.
5
Ap
p
ro
x
.6
5
Approx.65
33
2- 5
1
1
.2
5
0
.5
FR-BLF(for wire size 5.5mm
2
(AWG10) or more)
(Mitsubishi Electric Corporation)
160
180
130
85
8
0
2
.3
3
5
7
3
1
.5
7
Driver
Driver