
S7-1200 SM 1231 Analog Input Module
The SM 1231 expands an S7-1200 controller with four analog measurement channels. It is used to acquire standardized voltage and current signals from transmitters and process instruments.
Use the complete article number and compare the hardware label with the installed unit.
Keep slot, wiring, addresses, network settings and project data.
Typical use includes pressure and flow transmitters, temperature converters, machine process monitoring.
Verify supply, diagnostics, communication and the associated field signals.
Provide clear label photos, quantity, destination and the required delivery date.
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