Reviewed identity
6ES7331-7KF02-0AB0
SIMATIC S7-300 SM331 eight-channel analog input module
Series sourcing
Siemens SIMATIC S7-300 parts
Selected Siemens SIMATIC S7-300 references for maintenance and exact-part sourcing. Review the full article number, measuring-range settings, front connector and engineering configuration against the installed station before considering a supplier offer.
Identify the exact unit before sourcing
Use the full manufacturer part number, suffix, revision, firmware, and nameplate details where they affect the requested identity. A product-family match alone does not establish compatibility.
Compare these model references to the installed label. They do not describe current stock or pre-approved replacements.
Exact requirement
Need a SIMATIC S7-300 component?
For a missing original, read hard-to-find sourcing. For a changed identity, start with replacement review. For several modules, see BOM sourcing.