Category Archives: plc program

MOV instruction in Mitsubishi plc programming

Mitsubishi PLC—MOV instruction
Instruction format:
MOV S D

S Transfer data or data storage word device address
D The address of the word software of the data transfer destination

Instruction interpretation: When the driving condition is established, the binary data of the original address S is transmitted to the final address D.
Instruction function: an instruction to read and write operations on a word component, or to reset and set a bit component

Example: Data writing to word components
MOV K25D10
Note: Write K25 to D10
MOV KO DO
Note: Clearing DO will also write KO to DO
MOV KOK2YO
Note: Turn off the Y7-Y0 output
Example: Setting/resetting the bit device
MOV K1K2Y0
Note: Set “1” to YO
K1 binary digit 0000 0001
K2Y0 is YO-Y7
MOV K25K2MO
Note: Set MO, M3, M4 to “1”
The binary number of K25 is 0001001
K2MO bit M0-M7
Example: 32-bit transfer operation
DMOV D10D2
annotation:
D10 is transferred to D20
D11 is transferred to D21

Mitsubishi plc programming software 8.86 how to install

Mitsubishi PLC programming software GX-developer installation detailed description:
After downloading, extract it to the x drive and keep the original folder name. The system supports WINDOWS 98/2000/XP.
1. Install the general environment first, enter the GX Developer Ver8/EnvMEL folder, and click “SETUP.EXE” to install.

Most of Mitsubishi software must first install the “environment”, otherwise it can not continue to install, this step is easy to handle, if not installed, the system will prompt you to need the installation environment.

Enter the general serial number of the GX series software: 570-986818410, 998-598638072.

Note that “monitoring dedicated” can not be ticked here, otherwise the software can only monitor, this place is also the place with the most problems. Please note: often the default installation is no problem.
(In the installation options, each step should be carefully looked at, and some options are checked against the contrary).

Mitsubishi PLC programming software cannot create new projects

1. Installation error, reinstall after uninstalling all.

2, the system is not compatible, you can choose to re-download the compatible version.

3. When installing Mitsubishi PLC programming software, GX Developer has selected “Monitor-specific“. So it can only be used for monitoring, not for new projects.

Solution: After uninstalling the Mitsubishi PLC programming software GX Developer, reinstall the software. Be careful not to select “Monitor-specific” during the installation process. After installing the open software, if the gray word such as creating a new project becomes a bold font, the software functions can be used.

In Mitsubishi plc Add 1 instruction programming

LD X0
INCP D0
This means that X0 is connected to the data in the data register plus 1.

Which programming software of Mitsubishi PLC can be used universally

Mitsubishi PLC programming software GX Developer for Q, QnU, QS, QnA, AnS, AnA, FX series

GX WORKS2 is suitable for Q, QnU, L, FX series, GX WORKS3 is suitable for iQ-R, iQ-F series

How to use a computer to copy programs from Mitsubishi PLC to another Mitsubishi PLC

Connect a PLC to the PC, then open the programming software, read it online, and then you can read the PLC program to the PC and save it. Connect to another PLC, write to the online PLC, and write to another PLC. .

What is the DDRVI instruction?

DDRVI is the relative positioning command of Mitsubishi PLC 32-bit.

X2——DDRVI K10000 K1000 Y0 Y2
It means: When X2 is turned on, 10000 pulses are sent to Y0 at a frequency of 1KHz with the current position as the starting point, the motor direction is positive direction, and the reaction is on Y2.

DDRVI is based on the data in the current value register as the starting point for adding and subtracting operations. Corresponding to the absolute positioning command DDRVA

What does PLS mean in Mitsubishi PLC programming?

ld x0
pls m52

PLS computer field, high speed pulse output priority.

When there is a PTO/PWM output, the CPU passes the control terminals Q0.0 and Q0.1 to the PTO/PWM generator to disable the normal logic output.

The state of the output image register Q affects the start level of the PTO/PWM waveform. The state of Q0.0 and Q0.1 must be cleared before the high-speed pulse output.

The high-speed pulse output is suitable for the model. When outputting the high-frequency pulse signal, the transistor output type PLC should be selected.

Difference between programming software of Mitsubishi FX series PLC and programming software of GX series PLC

The FX series is a small machine series in Mitsubishi PLC. Other Mitsubishi products include A series and Q series. GXdeveloper is the programming software of Mitsubishi PLC, not PLC type. The programming software of Mitsubishi PLC is universal, the original is GXDEVELOPER, and now it is GX WORK2.

Mitsubishi is mainly divided into Q series, A series, FX series and other PLC series, of which A series has been discontinued in about 2005.

The Q series is a mainstream high-end series. The FX series is a low-end and mid-range product. It is divided into FX1S, FX1N, FX2N, FX3U, FX3UC, FX3GA and other series. The first three have also been discontinued. Now the FX3U, FX3UC and FX3GA series are mainly launched.

What instructions do you usually use for Mitsubishi plc programming? Do you have to remember so many instructions?

Simple input and output instructions should know, LD, OUT, AND, ANI, LDI, etc., other reading instructions will do, learn to use basic instructions enough, as for stepping instructions to see the working environment, the general factory pipeline can use the basic instructions As long as it can be guaranteed to the normal operation of the production line, it is enough.