plc program
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
S7-200 PLC sets real-time clock command: TODW (Set Real-time Clock)When the enable input EN is active, the instruction loads the contents of the 8-byte buffer (start address is T) containing the time and date into the clock. The set value range is the same as the TODR command. Corresponding ladder diagram The addressing range of … Continue reading how to sets real-time clock S7-200 PLC
WINCC Ethernet connects with S7-300The usual S7-300 only needs the MPI port and no Ethernet port. The MPI Ethernet converter can change the MPI port of the S7-300 to Ethernet and connect with the host computer, and the cost is much cheaper than the price of the CP5611 card.The driver selected on WINCC is TCP/IP … Continue reading Connect S7 300 to a PC Station via ethernet
Physical specification for single mode fiber and multimode fiberOptical fibers are divided into multimode and singlemode fibers according to the mode field. Multimode is divided into 62.5/125μm, 50/125μm and 100/140μm. Commonly used are 62.5/125μm and 50/125μm multimode fiber;Single-mode fiber requires only one specification, that is, 9/125μm single-mode fiber.
Mitsubishi PLC timer typeThe timer in the PLC is a device inside the PLC. Its function is equivalent to the time relay in the relay system. There are several hundred timers inside. The timer is based on the accumulated timing of the clock pulse. There are three kinds of clock pulses: 1ms, 10ms, and 100ms. … Continue reading Types of Timers in Programmable Logic controllers
PLC timersPLC timers is a function that we often use when programming with PLC. In programming applications, we can often use timer to realize delay start function and alarm protection function. Moreover, the use of the timer is similar to the time relay in the relay control circuit, so it is easy to use, but … Continue reading What is the function of a PLC timers
Programmable Controller and Relay controlIn the PLC programming language, the ladder diagram is the most widely used language. The ladder diagram is converted into a PLC-acceptable program by the PLC's command system, and is entered into the PLC user memory area by the programmer. The ladder diagram is very similar to the relay control schematic. … Continue reading The difference between programmable controller and relay control
Delta plc analog inputIn addition to the host, you must also have an delta plc analog AD module. According to the manual, make the corresponding settings for the module (TO command). Use the FROM command to read the digital signal after analog-to-digital conversion of the AD moduleExample: Input 0-20MA module conversion number is -2000 to … Continue reading How to collect analog input in Delta plc
Delta plc programming time relay programming methodThe Delta PLC timer is a time unit of 1ms, 10ms, 100ms. The timing mode is counted. When the current value of the timer = set value, the output coil is turned on. The set value is the decimal K value. The available data register D is used as … Continue reading How to program Delta’s plc programming time relay
Floating PointReal numbers are integers, and floating point numbers are decimals. Floating point arithmetic is the operation of the decimal point.PLC: A programmable logic controller that uses a type of programmable memory for its internal memory program, performing user-oriented instructions such as logic operations, sequence control, timing, counting, and arithmetic operations, and input through digital … Continue reading What is floating point in plc
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