Siemens | Simatic S7 6ES7321-1BH50-0AA0

Product Details

• Part Number 1 6ES7321-1BH50-0AA0

Product Description

The product identified as Siemens 6ES7321-1BH50-0AA0 is a Digital Input Module in the Simatic S7 hardware family.

Within the process-control arrangement, a digital input module receives discrete on/off states from field contacts and devices, then makes those states available to the controller for monitoring, sequencing, alarms, and interlocks. Configuration records should be reconciled with the exact installed assembly.

SIMATIC S7 integrates programmable control, modular I/O, and industrial communication functions. This product belongs to the PLC modules layer of the installed S7 automation solution. Final selection should be based on the plant's controlled-equipment records.

For ongoing lifecycle support, proper application depends on matching the product to the original control-system design, including its physical position, electrical connections, and configured relationship with surrounding hardware. The original wiring and configuration records should guide application.

Product Documentation

• Part Notes

  Product phase out begun by Siemens 10.01.2023

  SIEMENS SIMATIC S7-300 digital input SM 321, Isolated 16 DI, 24 VDC, Source input, 1x 20-pole

• Common Part Typos 6ES7321-1BH50-0AAO, 6ES7321-1BH50-OAA0, 6ES7321-1BH5O-0AA0, 6ES7321-IBH50-0AA0, 6ES7321-lBH50-0AA0, 6ES73211BH500AA0, 6ES73211BH500AAO, 6ES73211BH50OAA0, 6ES73211BH5O0AA0, 6ES7321IBH500AA0, 6ES7321lBH500AA0, 6ES732I-1BH50-0AA0, 6ES732I1BH500AA0, 6ES732l-1BH50-0AA0, 6ES732l1BH500AA0

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