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Connection of stand-alone option unit
It is recommended to configure a sequence, which shuts off power in the input side of the inverter by the external thermal
relay as shown below, to prevent overheat and burnout of the brake resistor (MRS type, MYS type) and high duty brake
resistor (FR-ABR) in case the regenerative brake transistor is damaged.
Refer to the table below for the type number of each capacity of thermal relay and the diagram below for the connection.
(Always install a thermal relay when using a brake resistor whose capacity is 11K or higher.)
When the power supply is 400V class, install a stepdown transformer.
Power
Supply
Voltage
Brake Resistor
Thermal Relay Type
(Mitsubishi product)
Contact Rating
200V
MRS120W200
TH-N20CXHZ-0.7A
110VAC 5A,
220VAC 2A (AC11 class)
110VDC 0.5A,
220VDC 0.25A (DC11class)
MRS120W100
TH-N20CXHZ-1.3A
MRS120W60
TH-N20CXHZ-2.1A
MRS120W40
TH-N20CXHZ-3.6A
MYS220W50
(two units in parallel)
TH-N20CXHZ-5A
Power
Supply
Voltage
High-duty
Brake Resistor
Thermal Relay Type
(Mitsubishi product)
Contact Rating
200V
FR-ABR-0.4K
TH-N20CXHZ-0.7A
110VAC 5A,
220VAC 2A (AC11 class)
110VDC 0.5A,
220VDC 0.25A (DC11 class)
FR-ABR-0.75K
TH-N20CXHZ-1.3A
FR-ABR-2.2K
TH-N20CXHZ-2.1A
FR-ABR-3.7K
TH-N20CXHZ-3.6A
FR-ABR-5.5K
TH-N20CXHZ-5A
FR-ABR-7.5K
TH-N20CXHZ-6.6A
FR-ABR-11K
TH-N20CXHZ-11A
FR-ABR-15K
TH-N20CXHZ-11A
400V
FR-ABR-H0.4K
TH-N20CXHZ-0.24A
FR-ABR-H0.75K
TH-N20CXHZ-0.35A
FR-ABR-H1.5K
TH-N20CXHZ-0.9A
FR-ABR-H2.2K
TH-N20CXHZ-1.3A
FR-ABR-H3.7K
TH-N20CXHZ-2.1A
FR-ABR-H5.5K
TH-N20CXHZ-2.5A
FR-ABR-H7.5K
TH-N20CXHZ-3.6A
FR-ABR-H11K
TH-N20CXHZ-6.6A
FR-ABR-H15K
TH-N20CXHZ-6.6A
NOTE
The brake resistor connected should only be the dedicated brake resistor.
Brake resistor cannot be used with the brake unit, high power factor converter, power supply regeneration converter,
etc.
Do not use the brake resistor (MRS type, MYS type) with a lead wire extended.
Do not connect a resistor directly to terminals P/+ and N/-. This could cause a fire.
Parameters referred to
Pr. 30 Regenerative function selection
MC
Inverter
MC
R
PR
P/+
S/L2
T/L3
R/L1
OFF
ON
OCR
Contact
Power supply
F
<Example 1>
MC
High-duty brake
resistor (FR-ABR)
T
Thermal relay
(OCR) (*1)
Inverter
MC
R
PR
P/+
S/L2
T/L3
R/L1
OFF
ON
B
C
Power supply
F
<Example 2>
MC
High-duty brake
resistor (FR-ABR)
OCR
Contact
T
MC
Thermal relay
(OCR) (*1)
To the inverter
terminal P/+
To a resistor
TH-N20
1/L
1
5/L
3
2/T
1
6/T
3
Содержание FR-F700PJ Series
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Страница 346: ...341 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...