Mitsubishi Electric FREQROL HC Instruction Manual page 66

4) Using options to suppress noises
To suppress noises radiated by cables, the radio noise filter (FR-BIF) and line noise filter (FR-BLF) are available.
(Refer to page 68.) For more information, refer to the corresponding manual.
• Example (FR-A500)
Line noise filter (FR-BLF)
Radio noise filter (FR-BIF)
FR-
BIF
NFB MC
Power
FR-
supply BLF
*1
*2
*2
or
*2
External box
(FR-HCB)
Reactor 1
(FR-HCL01)
Resis-
tor
R2
R R2
S2
MC
S S2
T2
T T2
Resis-
tor
Filter capacitor
Keep terminals R1, S1 of the high power factor converter unconnected.
Inserting a filter in front of terminal R, S, T of the high power factor converter
will produce more effective noise reduction. Refer to the noise filter manual
for installation procedure of the noise filter.
High power factor
converter(FR-HC)
MC1
MC1
MC2 MC2
Reactor 2
(FR-HCL02)
R3
R4 R4
R3
S3
S4 S4
S3
T3
T4 T4
T3
R
S
T
R1
*1
S1
- 54 -
Line noise filter (FR-BLF)
Inverter
(FR-A500 series)
R
S
T
U
P P
V
N N W
RDY X10
RSO RES
Y1 or Y2 X11
SD
SE
R1
S1
FR-
Motor
BLF