What are Data Loggers?
Data loggers are electronic devices which automatically monitor and record environmental parameters over time, allowing conditions to be measured, documented, analysed and validated.
The data logger contains a sensor to receive the information and a computer chip to store it. The information stored in the data logger is then transferred to a computer for analysis.
What is an OPC Server & PLC?
OPC Server: The OPC (Open Platform Communication) is a software interface standard that allows windows programs to communicate with industrial hardware devices.
OPC is implemented in server/client pairs. The OPC server is a software program that converts the hardware communication protocol used by a PLC into the OPC protocol. The OPC client software is any program that needs to connect to the hardware, such as an HMI. The OPC client uses the OPC server to get data from or send commands to the hardware.
PLC: A PROGRAMMABLE LOGIC CONTROLLER (PLC) is an industrial computer control system that continuously monitors the state of input devices and makes decisions based upon a custom program to control the state of output devices.
Almost any production line, machine function, or process can be greatly enhanced using this type of control system. However, the biggest benefit in using a PLC is the ability to change and replicate the operation or process while collecting and communicating vital information.
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