LAM 810-801237-021 - Control Circuit Boards

Description

The switching input module is the processing module of the external control signal or field detection signal to the PLC CPU, and the external signal is generally the button, the proximity switch, the travel switch, etc. The output module is the PLC according to the input module input signal and internal logic programming logic processing, after processing the result, the switching output will be output by the output module high and low level signal, drive the external intermediate relay, contactor, indicator light, solenoid valve and other components, and then make the external equipment to carry out the corresponding action The function of PLC output module is to amplify the power of the output signal. The PLC signal is expressed by the level, so that it does not distort in the process of being read out, it needs to have a certain reserve energy or a certain signal power. The function of the output module is actually a power amplifier. The output module is what drives the external load. Common PLC output devices are transistors, thyristors, relays. The PLC input module is used to receive the various parameters of the production process. (start stop) The PLC output module is used to send out the information obtained after the operation of the programmable controller, and complete all kinds of control of the industrial site through the actuator outside the machine. (Execution results with output) 1. Have good anti-interference ability. 2. It can meet the matching requirements of various signals in industrial sites.

Digital/analog signal difference The digital input/output signal is the switching signal, 1 or 0, Analog signals, there are two, voltage or current signals, generally the signal transmitted by the transmitter, such as the pressure transmitter to detect the pressure of the water pipe, it will output an analog signal 4-20mA or 0-10V signal to the PLC, PLC for data processing. The switching input point (DI) processes the switching input signal. Analog input point (AI), processing analog input signals (0-20mADC,0-5VDC). Resistance signal (including thermal resistance) input point, processing thermal resistance or general resistance signal. High-speed pulse input point, processing high-speed pulse signal. Voltage (including thermocouple) input point, processing voltage input or thermocouple signal. There is also communication, which is used to exchange data with the upper computer or control the instrument driver of the lower controller

Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands

The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !！！ ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.

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