Description

ABB DI840 3BSE020836R1

In the input sampling phase, the PLC successively reads all input status and data by scanning and stores them in the corresponding cell in the I/O image area. After the end of the input sampling, the user program execution and output refresh phase. In both phases, even if the input state and data change, the state and data of the corresponding unit in the I/O map area will not change. Therefore, if the input is a pulse signal, the width of the pulse signal must be greater than one scan cycle to ensure that the input can be read in any case.

The acquisition of the switching quantity is realized through the PLC input module, which is generally a DC 24V input. The PLC provides a common point, positive or negative, and then the common point is connected to the limit switch and other devices. When the limit is closed, the path is formed and the signal is introduced into the PLC input point. Specifically why the input point to power inside the state is on, is the function of PLC itself, you do not need to tube.

Through the analog module, A/D (analog/digital) module, the external weight signal, temperature signal, pressure signal can be introduced, A/D module can accept the signal is 0-10V, 0-5V, -5-5V voltage signal and 0-20MA, 4-20MA current signal. If the signal obtained by the terminal acquisition module is not these standard signals, but also through the transmitter conversion, after the standard signal enters the A/D module, it will be converted by A/D into a number, the specific range is different PLC is not the same, these converted digital quantities, can be used by the program, conversion, processing, and finally get the required data displayed.

General Information

• Product ID:3BSE020836R1
  
• ABB Type Designation:DI840
  
• Catalog Description:DI840 Digital Input 24V S/R 16 ch
  
• Long Description:Single or redundant.
  Advanced On-Board diagnostics.
  Use Module Termination Unit TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU842, TU843, TU852.

One year warranty, special discount after sale

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

The main products are all kinds of module/card, controller, touch screen, servo drive

The company's advantages: the supply of imported original products, professional production of accessories

Fast delivery time, complete supply, The seller has more than $1526000 worth of industrial control products inventory

We Can transport to the world！！！

① 24-hour email reply (12 hours);

② For shipment to countries outside Asia, please contact the seller.

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