Instrumentation Blog

What are Trends in SCADA?

In SCADA graphical display of process data is called Trends. There are two types of Trends. Real-time and Historical trends

Function Module in Siemens PLC is used in motion control applications where speed and accuracy are a must for field devices.

In this article, we will learn about the interface module (IM) used in the Siemens PLC for data transfer between I/O modules or between PLCs.

Dynamic Data Exchange (DDE) Protocol is an interprocess communication system that allows data to be communicated or shared between the devices.

LIFO instruction used in the PLC programming applications that require to store the sequence of data in order and unload it.

In this article, I will discuss the types of Allen Bradley PLC, which are PLC 5, SLC 500, CompactLogix, ControlLogix, and MicroLogix.

In this article, we will learn about a term test and process modes reside in the TIA PORTAL software of Siemens PLC.

I am using RsLogix 500 here to communicate with Rslinx to write the data from PLC to excel. You can also use RsLogix 5000.

In this article, we will learn about peripheral inputs and outputs in the Siemens programmable logic controller (PLC).

We will learn about a method to delete a Siemens CPU memory in the PLC. To reset the memory first put your CPU into the STOP mode.