14 - 59
14. OPTIONS AND AUXILIARY EQUIPMENT
(d) Line noise filter (FR-BSF01, FR-BLF)
This filter is effective in suppressing noises radiated from the power supply side and output side of the
servo amplifier and also in suppressing high-frequency leakage current (zero-phase current) especially
within 0.5MHz to 5MHz band.
Connection diagram
Outline drawing [Unit: mm]
FR-BSF01 (for MR-J3-200T or less)
4.
5
Approx.110
95 0.5
A
p
pr
o
x.
22
.5
A
pp
ro
x.
65
Approx.65
33
2- 5
Wind the 3-phase wires by the equal number of times in the same
direction, and connect the filter to the power supply side and output
side of the servo amplifier.
The effect of the filter on the power supply side is higher as the
number of winds is larger. The number of turns is generally four.
If the wires are too thick to be wound, use two or more filters and
make the total number of turns as mentioned above.
On the output side, the number of turns must be four or less.
Do not wind the grounding wire together with the 3-phase wires.
The filter effect will decrease. Use a separate wire for grounding.
Example 2
Two filters are used
(Total number of turns: 4)
Power
supply
Servo amplifier
Line noise
filter
NFB
L
3
L
1
L
2
Example 1
(Number of turns: 4)
Power
supply
NFB
L
1
L
2
L
3
Servo amplifier
Line noise
filter
MC
MC
FR-BLF(MR-J3-350T or more)
160
180
130
85
8
0
2
.3
35
7
31
.5
7
(e) Radio noise filter (FR-BIF)
This filter is effective in suppressing noises radiated from the power supply side of the servo amplifier
especially in 10MHz and lower radio frequency bands. The FR-BIF is designed for the input only.
Connection diagram
Outline drawing (Unit: mm)
Make the connection cables as short as possible.
Grounding is always required.
When using the FR-BIF with a single-phase wire,
always insulate the wires that are not used for wiring.
Servo amplifier
NFB
L
3
L
2
L
1
MC
Power
supply
Radio noise
filter FR-BIF
Leakage current: 4mA
29
58
42
4
Red
Blue
White
Green
44
29
7
hole
A
bo
u
t 3
0
0
5
Summary of Contents for MELSERVO MR-J3-xT
Page 22: ...8 MEMO ...
Page 156: ...4 46 4 SIGNALS AND WIRING MEMO ...
Page 276: ...7 26 7 MR Configurator MEMO ...
Page 324: ...10 16 10 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Page 418: ...14 66 14 OPTIONS AND AUXILIARY EQUIPMENT MEMO ...