Siemens | Simatic S7 6ES7321-1FH00-0AA0

Product Details

• Part Number 1 6ES7321-1FH00-0AA0
• UPC 662643172089
• HTS 85389091
• Country of Origin Germany

Product Description

Within the Simatic S7 product line, Siemens 6ES7321-1FH00-0AA0 serves as a Digital Input Module.

From a maintenance perspective, 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. Application details remain governed by the exact product revision.

Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The assigned system function should be preserved through installation and service.

Country of origin is listed as Germany.

When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Configuration records should be reconciled with the exact installed assembly.

Product Documentation

• Part Notes

  Active Product

  SIEMENS SIMATIC S7-300 digital input SM 321, isolated 16 DI, 120/230 VAC, 1x 20-pole

• Common Part Typos 6ES7321-1FH00-0AAO, 6ES7321-1FH00-OAA0, 6ES7321-1FH0O-0AA0, 6ES7321-1FHO0-0AA0, 6ES7321-IFH00-0AA0, 6ES7321-lFH00-0AA0, 6ES73211FH000AA0, 6ES73211FH000AAO, 6ES73211FH00OAA0, 6ES73211FH0O0AA0, 6ES73211FHO00AA0, 6ES7321IFH000AA0, 6ES7321lFH000AA0, 6ES732I-1FH00-0AA0, 6ES732I1FH000AA0, 6ES732l-1FH00-0AA0, 6ES732l1FH000AA0

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