Introduction
3.1 Example of an application
SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA
3-2 Getting Started, 11/2006, A5E00253410-02
In the following sections you will be introduced to:
● Mechanical setup of the example station
– General mounting instructions for S7-300 modules
– Configuration of the SM331 for the two selected measurement transducer types
● Electrical connection of the example station
– Wiring the power supply module and the CPU
– Wiring of the analog module
– Standard pin assignment of two measurement transducer types
– Wiring of unused inputs
● Configuring the SIMATIC Manager
– Using the project wizard
– Completing the automatically generated hardware configuration
– Integrating the supplied user program source
● User program testing
– Interpreting the read values
– Converting the measured values into readable analog values
● Utilizing the diagnostic capabilities of the SM331 module
– Triggering a diagnostic interrupt
– Evaluating the diagnostics:
● Application of hardware interrupts
– Configuration of hardware interrupts
– Configuration and analysis of hardware interrupts
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