Ladder diagram programming: The advantages are image, intuition and practicality. It is well known to electrical technicians and is the main programming language of PLC. Instruction statement language: Similar to the mnemonic language in a computer, it is the most basic programming language for programmable controllers. The so-called instruction statement table programming is to use … Continue reading What kinds of programming languages are commonly used in PLC?
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What kinds of configuration and characteristics of PLC
Programmable Logic Controller (PLC) is essentially a kind of computer dedicated to industrial control. Its hardware structure is basically the same as that of a micro-computer. (1) Power supply The power supply of programmable logic controller plays an important role in the whole system. Without a good and reliable power supply system, it is impossible … Continue reading What kinds of configuration and characteristics of PLC
How to set up the Siemens s7-400 plc configuration
Configuring the S7-400 master station(1) Right click in the right area and select "SIMATIC 400 STATION" in the pop-up shortcut menu Order, insert 400 sites, the corresponding S7-400 station will be displayed in the right window of the screen.(2) Double-click the "Hardware" icon to configure the rack, PS and CPU modules and insert the CPU414-3DPWhen … Continue reading How to set up the Siemens s7-400 plc configuration
How to count the MITSUBISHI PLC counter
Parallel the Y0 and C0 at the output end. When the Y0 triggers the output once, the C0 will count once.The counter must have a reset instruction. Technology completion triggers RST C1 resetIf you want to display the count times on the touchscreen, use the MOV command to send the C1 count to register D.The … Continue reading How to count the MITSUBISHI PLC counter
PLC positive and negative ladder
Mitsubishi PLCX000 is the forward button, X001 is the reverse button, X002 is the stop button; Y000, Y001 for the PLC output, then two AC contactor KM1, KM2 to control the motor reversingSiemens PLC programI0.0 is the forward rotation button, I0.1 is the reverse rotation button, I0.2 is the stop button; Q0.0, Q0.1 is the … Continue reading PLC positive and negative ladder
PLC control motor forward and reverse
X0 Forward button, X1 Reverse button, X2 Stop button, X3 Limit 1, X4 Limit 2, Y0 Forward rotation output, Y1 Reverse rotation output
CN1 wiring diagram of MITSUBISHI MR-J3 servo amplifier
1. PLC: MITSUBISHI FX1s-20MT-0012. servo motor: HF-SP5023. drive: MR-J3-500AThis is my first use of MITSUBISHI's system, and the first time to learn and apply the servo positioning system.
What is PLC?
PLC = Programmable, Logic, Controller, programmable logic controller, an electronic system for digital operation, designed for use in industrial environments. It uses a programmable memory, used in its internal storage procedures to perform the logic operation, sequence control, timing, counting and arithmetic operations such as user oriented instructions, and through digital or analog input / … Continue reading What is PLC?
6RA70 equipment, in the direction of the times police F030!
A company 6RA70 equipment, in the direction of the times police F030!Problem supplement:My equipment is reversible rolling mill, each time the alarm F030 is the time to change, and sometimes just change the alarm, and sometimes to go for a while and then alarm, alarm reset after the normal work!Best answerFault F030:Detection of current loop … Continue reading 6RA70 equipment, in the direction of the times police F030!
Damage cause of s7300 analog input module
S7300 analog input module (331-7KB02-0AB0 6ES7) 3 years of bad 2, the input signal 4-20mA, consult the module is easy to damage the reason?Best answerReference: analog quantity module damageHttp://www.ad.siemens.com.cn/service/answer/solution.aspx? Q_ID=63278&cid=1029?
PLC ONE 