FX3SA series PLC is the third generation of micro programmable controller launched by Mitsubishi Electric, which is upgraded and developed based on FX1S.
Since the FX1S market is full of various imitations, Mitsubishi recommends that users use higher-priced, FX3SA at a better price.
The FX3SA series PLC has the following features:
1, comes with two high-speed communication interfaces (RS-422 and Mini-USB). The program capacity is 4K, which is twice that of the FX1S. The operation speed is increased.
2, the number of instructions increased, such as support for floating-point operations such as DEDIV, increase Mitsubishi variable frequency communication instructions, such as IVCK, IVDR and so on.
3, built-in high-speed counter 2 way 60KHZ and 4 way 10KHZ. The transistor model supports 2-axis positioning and 100KHZ pulse output.
4. Adapters such as FX3U-4AD-ADP or FX3U-ENET-ADP can be connected. Realize analog, Ethernet, MODBUS and other functions.
5. Strengthened the anti-counterfeiting function. At present, there are no imitations on FX3SA and FX3GA on the market, so users can use it with confidence.

Mitsubishi PLC FX3U
FX3U series PLC
product description
The FX3U, a new product of Mitsubishi FX series PLC, has improved its positioning function compared with the previous FX series products. The positioning functions of FX3U mainly include the following:
First, the pulse output of the PLC main body is increased from two to three; Second, the positioning command is increased; Third, the expandable high-speed pulse output module FX3U-2HSY-ADP is used for positioning; Fourth, the expandable positioning module FX3U-20SSC-H The module is used for positioning. 5. The positioning module before the FX series can be connected.
Detailed description
[Basic performance has been greatly improved]
l CPU processing speed reached 0.065us / basic instructions.
l Built-in large-capacity RAM memory up to 64K steps.
l Significantly increased the number of internal devices.
l Enhanced command functions, providing up to 209 application commands, including commands to communicate with Mitsubishi inverters, CRC calculation commands, random number instructions, and more.
[Strong scalability]
l Enhanced communication function, its built-in programming port can achieve high-speed communication of 115.2kbps, and can use up to three communication ports (including programming port) at the same time.
l New high-speed I/O adapters, analog I/O adapters and temperature input adapters are added. These adapters do not occupy system points and are easy to use. Up to 10 special adapters can be connected to the left side of the FX3U. High-speed counting of up to 8 channels and up to 200 kHz can be achieved by using a high-speed input adapter. Positioning control of up to 4 axes and up to 200 kHz can be achieved by using a high-speed output adapter, and the base unit of the relay output type can also be positioned and controlled by connecting the adapter.
Control scale:
16~384 (including CC-Link I/O) point basic module: 16/32/48/64/80/128 points].
FX3U-64MR/ES-A base unit with 32-point input / 32-point relay output FX3U-64MR/DS DS basic unit with 32-point input / 32-point relay output FX3U-64MT/ES-A base unit with 32-point input / 32 Point Transistor Output FX3U-64MT/DS DC Base Unit with 32 Inputs / 32 Point Transistor Output
Mitsubishi PLC FX3GA
Introduction: The Mitsubishi Micro Programmable Controller FX3GA is newly launched and is divided into Standard Model Standard and High-Spec Model. The standard type has various control functions from automation to network communication, and has basic control functions for various purposes. The high-performance model is faster, more refined, rich in scalability and high-performance, enabling high-speed control, corresponding to network communication and data logging.
Features: FX3GA is an all-in-one machine that combines the concept of simple application. The superior cost performance is best suited for small-scale control. It has a large-capacity memory that can store a large number of annotations, more than 30000 data registers, 60kHz high-speed signal processing, and simpler. 3-axis positioning method. At the same time, FX3GA has flexible and rich extensions for application control in different industries. It can be installed with a function expansion board, and can connect up to 4 adapters. The temperature control and analog input and output are also very simple, no need to be programmed, only an adapter, and 4ch simultaneous communication.
Model: FX3G-14MR/ES-A FX3GA-24MR-CM FX3GA-24MT-CM FX3GA-40MR-CM
FX3GA-40MT-CM FX3GA-60MR-CM FX3GA-60MT-CM
Mitsubishi PLC FX3SA
The Mitsubishi Electric Micro Programmable Controller fx3sa series is newly launched. With the introduction of the fx3 family simple economic series, Mitsubishi Micro Programmable Controller has entered the third generation.
PLC parameters
Function introduction: AC power supply, 16-point input, 14-point output, transistor leakage type, USB interface
In addition to the powerful features of the FX1S, the FX3SA series has significantly improved the number of instructions in terms of computational processing speed and program capacity. The basic instruction is 0.21μs, which is about 3 times that of FX1S. The program capacity is 4000 steps, plus 12000 steps for comment-dedicated area, up to 16,000 steps, which is 8 times that of FX1S. Added inverter communication commands, floating-point arithmetic instructions, and other application instructions. At the same time, the communication function and analog scalability are enhanced, the USB and RS-422 interfaces are built in, and the Ethernet interface and the serial communication special adapter corresponding to the MODBUS protocol can be extended. For analog, up to one FX3U series analog special adapter, such as FX3U-4AD-ADP. In addition, the special anti-counterfeiting logo will effectively resist the impact of imitations and guarantee legal rights.
Mitsubishi PLC FX3SA-Product details:
【Power Specifications】
◆ Power supply voltage: AC100~240V ◆ Power supply voltage allowable range: AC85~264V ◆ Rated frequency: 50/60Hz ◆ Allow instantaneous power failure time: The instantaneous power failure below l0ms will continue to run. ◆ Power fuse: 250V 1A ◆ Inrush current: maximum 15A 5ms or less / AC100V, maximum 28A 5ms or less / AC200V ◆ Power consumption: 19W ◆ DC24V power supply: 400mA or less
[FX3SA-10MR-CM input specifications] ◆ Input form: sink type/source type ◆ Input points: 6 points ◆ Input connection method: fixed terminal block ◆ Input signal voltage: DC24V ±10% ◆ Input impedance: X000~X005 (3.9KΩ) ◆ Input signal current: X000~X005 (6mA/DC24V) ◆ ON input induction current: X000~X005 (3.5mA or more) ◆ OFF input induction current: 1.5mA or less ◆ Input signal form: no voltage contact input (Sink input: NPN open collector type transistor; Source input: PNP open collector type transistor) ◆ Input circuit isolation: Optocoupler isolation ◆ Display of input action: LED light on panel when optocoupler is driven
[FX3SA-10MR-CM relay output specification] ◆ Output type: Relay ◆ Output points: 4 ◆ Output connection method: Dismountable terminal block (M3 screw) ◆ External power supply: AC240V or less ◆ Maximum resistance load: 2A/1 point ◆ Maximum inductive load: 80VA ◆ Minimum load: DC5V 2mA ◆ Output response time: about 10mS ◆ Loop isolation: mechanical isolation ◆ Output action display: LED light on panel when relay coil is energized
Full model
FX3SA-10MR-CM AC power supply, 6 in, 4 out, relay FX3SA-14MR-CM AC power supply, 8 in, 6 out, relay FX3SA-20MR-CM AC power supply, 12 in, 8 out, relay FX3SA-30MR-CM AC power supply, 16 in, 14 out, relay FX3SA-10MT-CM AC power supply, 6 in, 4 out, transistor sink type, 2 axis positioning
FX3SA-14MT-CM AC power supply, 8 input, 6 output, transistor leakage type, 2-axis positioning
FX3SA-20MT-CM AC power supply, 12 in, 8 out, transistor sink type, 2-axis positioning
FX3SA-30MT-CM AC power supply, 16 in, 14 out, transistor sink type, 2-axis positioning

The programming cable type of the FX series PLC is SC-09 cable or USB-SC09-FX cable.
SC-09 is used to connect to the computer serial port. USB-SC09-FX is used to connect to the computer USB port.

When the PLS instruction is called, there is a Q0.X input parameter. 0 is the output to Q0.0, and 1 is the output to Q0.1. The duty cycle can be adjusted to set the pulse width for the corresponding control registers SMW70, SMW80. SM67.1 SM77.1 is used to update the pulse width at any time

The M in the PLC is called the auxiliary register.
To realize the identification and processing of the on/off and level status information of each interface, the PLC must convert them into variables that can be recognized by the internal computer. These variables are called registers.
According to different models of PLC, commonly used registers
(1) Input register (X/I) – Saves the status of each input interface.
(2) Output register (Y/O) – saves the status of each output interface.
(3) Auxiliary register (R/M). The auxiliary register, also known as the intermediate register, is used to store the state of the intermediate variables required in the operation. The role of transmitting signals in the PLC

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If it is a background data block, it is a bit troublesome, it needs to be changed in FB; if it is global, it is convenient: open the DB block, press the comment in the last line and press Enter. Then a new line will be created and the name will be entered. Can be entered arbitrarily), data type, comment (optional)

Enter the PC/PG settings, make sure that the interface parameters have been selected for the PC Adapter (MPI), click on “Properties —- Local Connection”, and add a COM3 port, select it! Also note that the transfer rate is the same as in the Siemens hardware settings!