In analog electronics, we come across various signals, some of them are measured by changes in resistance and some of them are with changes in…
What is Load Cell A load cell is a force transducer. Which converts a force such as tension, compression, pressure, or torque into an electrical…
What is RAID Redundant Array of Independent Disks (RAID) is a virtual disk technology that combines multiple physical drives into one unit. It allows storing data across multiple hard…
What is Surge Protective Device A surge protective device (SPD) is designed to protect electrical systems and equipment from surge events by limiting transient voltages and diverting…
What is Protocol A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via…
This month has been a great learning month. I was able to build and complete a small water SCADA system here in Bangladesh(thanks DhakaWasa for the…
To configure GeoSCADA Expert to communicate with a ModbusTCP device there are three ways to do this (I’ll list them in the order I think…
Master/Slave and Client/Server Terminology A Modbus Master or Modbus Client sends commands to another device. The Modbus Slave or Modbus Server device responds to the…
PLC and SCADA Interface : How it Works PLC is hardware which has all the inputs and outputs (I/Os)connected to it from the field. After this…
The direct display of individual memory locations is done through the use of special character sequences. These sequences are a concatenation of the percent sign…