MITSUBISHI inverter FR-F740 series.
Voltage level: three phase 400V.
Frequency converter capacity: 280KW.
The main circuit of the inverter can be divided into two categories in general: voltage type is the voltage source of the DC converter for AC inverter,
The filtering of the DC circuit is the capacitance; the current mode is the DC conversion of the current source to the AC inverter,
The DC loop filter is the inductor FR-F820-00630-2-60
Why is the frequency of the inverter voltage proportional to the change?
The electromagnetic torque of any motor is the result of the interaction between the current and the magnetic flux, the current is not allowed to exceed the rated value, otherwise it will cause the heating of the motor MITSUBISHI .
Therefore, if the magnetic flux decreases, the electromagnetic torque will decrease, which leads to the reduction of the load carrying capacity. "10BASE-T/100BASE-TX.
Web servo module for RS-232.
Web server module capable of using Internet / Intranet for remote monitoring and operation of programmable controller MITSUBISHI .
Use the Internet connected to the PC, just through a simple setup,
Remote monitoring / operation of MELSEC from any location .
Data recording function can be used to display and collect data.
Data can be recorded at the shortest distance of 100ms.
Also has the following functions.
Using email to send data / alarm notification.
Using FTP to transfer / access data files.
The display function of event monitor / history record.
User authentication /IP filter and other security features.
User can customize the creation of Web pages. "Input and output points: 480 points.
Input / output data points: 480 points.
Program capacity: 8k.
Basic command processing speed (LD command) s:1.25.
RAM memory capacity: 32K, power supply (DC24V).
Modular: PLC is the basic components of a separate module.
Medium and large PLC used this way. Easy maintenance.
Relay output interface circuit of PLC
Working process: when the internal circuit output digital signal 1,
There is a current flowing through, the relay coil has a current, and then the normally open contact is closed,
Provide load current and voltage.
When the internal circuit outputs a digital signal 0, there is no current flowing through it,
The relay coil does not have a current, and the normally open contact is broken off,
A current or voltage that is disconnected from the load.
It is through the output interface circuit to the internal digital circuit into a signal to make the load action or not action.
User program storage cappacity: it is a measure of how mucch the user application can store the number of indicators MITSUBISHI FR-F820-00630-2-60.
Usually in words or K words as units. 16 bit binary number is a word,
Every 1024 words are 1K words. PLC to store instructions and data in words.
General lloggical operation instructions each account for 1 words MITSUBISHI FR-F820-00630-2-60. Timer / counter,
Shift instruction accounted for 2 words. Data operation instructions for 2~4.
FR-F820-00630-2-60 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=FR-F820-00630-2-60&select=5