A PLC's datasheet contains a wealth of information that covers nearly every feature the PLC is capable of offering. The technical specifications of the PLC, such as the supply voltage, input and output types, and power rating of these IO points, will be your main concern if you are the installation engineer. The historical data may not be as important to you if you are only a PLC programmer. Instead, you will concentrate on information about the PLC memory, the amount of IO available, and the ability to add new modules.
The following details in the PLC data sheet must be examined, depending on the different manufacturers:
- PLC Memory
- Current and Voltage Rating
- Addressing Various Blocks and Data Areas
- Specifications for Inputs and Outputs
- Interfaces and Protocols for Communication
- The Ambient Situation
Different PLCs will have different features and capabilities, hence different information will be displayed on different PLC data sheets. Depending on whether you are an installation engineer or a PLC programmer, as we previously said, you may not find all of the information in the datasheet to be significant.
Reference : Instrumentationtools
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