Terminal connection diagram (when using with the FR-A800 series). Mitsubishi Electric FR-HC2-7.5K
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Terminal connection diagram (when using with the FR-A800 series)
Before making connections, check the cable size and connection method to each device in the Instruction Manual.
FR-HC2-7.5K to 75K, FR-HC2-H7.5K to H220K
Power supply
MCCB MC
Outside box (FR-HCB2)
(1)
Reactor1
(FR-HCL21) R2/
L12
R/
L1
S/
L2
T/
L3
R2/
L12
S2/
L22
T2/
L32
S2/
L22
T2/
L32
Limit resistor
Reactor2
(FR-HCL22)
Converter
(FR-HC2)
Filter capactors
MC power supply stepdown transformer
MC1
R3/
L13
S3/
L23
T3/
L33
Limit MC1
Auxiliary contact
(NO contact)
R3/
L13
R4/
L14
S3/
L23
S4/
L24
T3/
L33
T4/
L34
(2)
ROH1
Inrush current limit resistor overheat protection
ROH2
Contact input common
88S MC connection terminal
88R MC connection terminal
R4/L14
S4/L24
T4/L34
ROH
SD
Fuses
P/+
N/-
RDY
RSO
C
B
A
Relay output
(fault output)
Inverter run enable signal
Converter
88S
88R
CVO
During converter run
Y1
Y2
Multi-purpose output 1
Multi-purpose
Reset RES
SE
Overheat detection thermostat for the limit resistor (NC contact)
Converter stop
Monitor switching
SOF
X1
Inverter
R/L1
S/L2
T/L3
R1/L11
U
V
W
S1/L21
P/+
N/-
X10
RES
SD
Open collector output common
Y3 Multi - purpose output 3
Monitor switching
X2
SE2
+
Open collector output common
-
FM
Motor
Earth
(Ground)
Contact input common
24VDC power supply
(External transistor common)
SD
PC
PU connector
SD Indicator
AM
R/L1
S/L2
T/L3
R1/L11
S1/L21
5
(+)
Analog signal output
(0 to 10VDC)
(-)
FR-HC2-H280K
Power
Supply
MCCB MC
(1)
Reactor 1
(FR-HCL21)
R/
L1
S/
L2
T/
L3
R2/
L12
S2/
L22
T2/
L32
MC power supply stepdown transformer
Limit resistors
Filter capacitors
(FR-HCC2)
Auxiliary contact for limit MCs (NO contact)
Buffer relay for driving MC
MC
Reactor 2
(FR-HCL22)
R3/
L13
R4/
L14
S3/
L23
S4/
L24
T3/
L33
T4/
L34
(2)
Limit resistor
(with a thermostat) (NC contact)
MC
MC
Bu1
Limit
MC
MC connection terminal
MC connection terminal
Converter reset
Converter stop
Monitor switching
Monitor switching
Contact input common
24VDC power supply
(External transistor common)
Converter
(FR-HC2)
R4/L14
S4/L24
T4/L34
ROH
Inrush current limit resistor overheat protection
Contact input common
SD
88R
88S
P/+
N/-
RDY
RSO
CVO
Y1
Y2
Fuses
C
B
A
Relay output
(Fault output)
Inverter run enable signal
Converter reset
During converter run
Multi-purpose output 1
Multi-purpose output 2
R/L1
S/L2
T/L3
R1/L11
S1/L21
U
V
W
P/+
N/-
X10
RES
SD
Inverter
Motor
Earth
(Ground)
RES
SOF
X1
X2
SD
PC
R/L1
S/L2
T/L3
R1/L11
S1/L21
SE
PU connector
Y3 Multi - purpose output 3
SE2
FM
+
Open collector output common
-
SD
AM
Indicator
5
(+)
Analog signal output
(0 to 10VDC)
(-)
Do not connect anything to the inverter power input terminals R/L1, S/L2 and T/L3. Incorrect connection will damage the inverter. Connecting opposite polarity of terminals P and N will damage the converter and the inverter.
Use input terminal function selection to assign the terminal used for X10 signal. (Refer to the Inverter Instruction Manual.)
The power phases of the terminals R4/L14, S4/L24, and T4/L34 and the terminals R/L1, S/L2, and T/L3 must be matched.
Do not insert MCCB between terminals P and N (P and P, N and N).
Always connect the terminal R/L1, S/L2, T/L3 of the converter to the power supply. If the inverter is operated without connecting the terminals to the power supply, the converter will be damaged.
Do not insert MCCB or MC between (1) (terminal R/L1, S/L2, and T/L3 input of the Reactor 1) and (2) (terminal R4/L14, S4/L24, and T4/L34 input of the converter) of the above diagram. It will not operate properly.
Securely perform grounding (earthing) by using the grounding (earthing) terminal.
Installation of a fuse is recommended.
The MC power supply stepdown transformer is only equipped in the 400V class models.
19
20
FR-HC2-H400K, H560K
Power
Supply
MCCB MC
MC
MC
(1)
Limit resistor
Reactor 1
(FR-HCL21)
R/
L1
R2/
L12
S/
L2
S2/
L22
MC1
MC2
Reactor 2
(FR-HCL22)
R3/
L13
R4/
L14
S3/
L23
S4/
L24
T/ T2/
L3
L32
MC3
T3/ T4/
L33
L34
Filter capacitors (FR-HCC2)
Limit resistor (with thermostat)
(NC contact) 3
(2)
MC power supply stepdown transformer
Filter capacitor alarm detector
(NC contact)
MC
Bu2
Buffer relay for filter capacitor alarm detectors
MC1 MC2 MC3
Auxiliary contact for limit MCs (NO contact) 3
Limit MC
MC1
MC2
MC3
MC
Bu1
Mini relay for filter capacitor alarm detector
MC
Small
Reset
Converter stop
Monitor switching
Monitor switching
Contact input common
24VDC power supply
(External transistor common)
Buffer relay for driving MCs
Converter
(FR-HC2)
Inverter
R4/L14
S4/L24
T4/L34
Fuses
P/+
N/-
Inrush current limit resistor overheat protection
RDY
ROH
RSO
CVO
SD
Contact input common
Y1
Y2
RES
C
B
A
Relay output
(fault output)
Inverter run enable signal
Converter reset
During converter run
Multi-purpose output 1
Multi-purpose output 2
SOF
SE
X1
X2
SD
PC
88R
PU connector
R/L1
S/L2
T/L3
R1/L11
S1/L21
P/+
N/-
X10
RES
SD
Open collector output common
Y3 Multi-purpose output 3
SE2
Open collector output common
+ -
FM
SD Indicator
88S
R/L1
S/L2
T/L3
R1/L11
S1/L21
AM
5
(+)
Analog signal output
(0 to 10VDC)
(-)
U
V
W
Motor
Earth
(Ground)
Do not connect anything to the inverter power input terminals R/L1, S/L2, and T/L3. Incorrect connection will damage the inverter. Connecting opposite polarity of terminals P and N will damage the converter and the inverter.
Use input terminal function selection to assign the terminal used for X10 signal. (Refer to the Inverter Instruction Manual.)
The power phases of the terminals R4/L14, S4/L24, and T4/L34 and the terminals R/L1, S/L2, and T/L3 must be matched.
Do not insert MCCB between terminals P/+ and N/- (P and P, N and N).
Always connect the terminal R, S, and T of the converter to the power supply. If the inverter is operated without connecting the terminals to the power supply, the converter will be damaged.
Do not insert MCCB or MC between (1) (terminal R/L1, S/L2, T/L3 input of the converter) and (2) (terminal R4/L14, S4/L24, T4/L34 input of the converter) of the above diagram. It will not operate properly (except for the inrush current limit MC).
Securely perform grounding (earthing) by using the grounding (earthing) terminal.
Installation of a fuse is recommended.
The number of filter capacitors and filter capacitor alarm detectors differs by the capacity. Connect two sets of filter capacitors and filter capacitor alarm detectors for H400K, and connect three sets for H560K.
NOTE
• When connecting the converter to the inverter, match the control logic (sink logic (initial setting)/source logic). The converter does not operate properly if the control logic is different.
(Refer to the Instruction Manual for the switching of the control logic. Refer to the Inverter Instruction Manual for the switching of the control logic of the inverter.)
• Keep the wiring length between terminals as short as possible.
• When sudden large distortion or depression of power supply occurs, reactor may generate abnormal acoustic noise.
This acoustic noise is caused by the power supply fault and not by the damage of the converter.
• Do not connect the DC reactor to the inverter when using a high power factor converter.
• When using a sine wave filter with FR-HC2 (75K or higher), select MT-BSL-HC as a reactor for the sine wave filter.
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