"MITSUBISHI inverter FR-F740 series.
Voltage level: three phase 400V.
Frequency converter capacity: 7.5KW.
The use of frequency converter motor is in order to speed, and reduce the starting current.
In order to produce a variable voltage and frequency, the device is the first power of the AC power conversion to DC (DC), the process is called rectification FR-A846-00170-2-60 PLC FUNCTION Manual FR-A846-00170-2-60 Programming Manual
FR-A846-00170-2-60
The direct current (DC) is transformed into alternating current (AC) and its scientific term is "inverter" (inverter).
General inverter is the DC power supply inverter for a certain fixed frequency and a certain voltage of the inverter.
For the inverter as the frequency adjustable, adjustable voltage inverter, we called the inverter. "Power: 560kw FR-A846-00170-2-60 PLC FUNCTION Manual FR-A846-00170-2-60 Programming Manual.
Purpose: to suppress the power harmonics.
Connected to the inverter input, can be used to improve the power factor, reduce the input side of the high harmonic current.
According to the motor power used to select AC reactor.
(when the inverter capacity is greater than the motor capacity, is still based on the motor capacity to choose.) Analog input points: 2 channels
Voltage input range: DC0~10V, DC0~5V FR-A846-00170-2-60 PLC FUNCTION Manual FR-A846-00170-2-60 Programming Manual.
Current input range: DC4~20mA.
Resolution of 12 bit binary high precision analog input module.
Can be 2 channel voltage input, or current input. Power: 15kw.
Purpose: high frequency braking resistor.
The use rate of the built-in regenerative brake of the transducer can be promoted.
When using the FR-ABR type brake resistor, the short circuit piece between the terminal PR-PX is removed. Does not remove the short circuit chip will lead to overheating of the brake resistor.
The utilization rate of the regenerative braking should be less than the allowable brake use rate in the above table.
With the operating frequency of the brake resistor to reach 300 degrees C or higher, it is necessary to take protective measures and cooling FR-A846-00170-2-60 PLC FUNCTION Manual FR-A846-00170-2-60 Programming Manual.
MYS type resistor can be used. But please pay attention to the allowable brake use rate.
Do not remove the terminal P/+ and P1 between thhe short circuit chip, in addition to connecting the DC reactor FR-A846-00170-2-60 PLC FUNCTION Manual FR-A846-00170-2-60 Programming Manual.
The installation of thermal relay, to avoid overheating and burn the braking resistor.