S7-300 FM 353 positioning module
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Siemens 6ES7353-1AH00-0AE0 is an FM 353 function module for SIMATIC S7-300, designed for positioning tasks with a stepper motor. It handles motion-related functions as a specialized S7-300 module rather than as standard CPU I/O.
The FM 353 works with machine data and axis parameters. When replacing the module, matching the hardware number is only part of the task; the STEP 7 configuration and positioning parameters must also be preserved. Installing a replacement module does not automatically restore the machine-specific data.
The FM 353 manual is available from Siemens Industry Online Support. A later revision in our catalog is 6ES7353-1AH01-0AE0. We also stock the 6ES7350-1AH03-0AE0 FM 350, a different S7-300 function module that is not a direct substitute for FM 353.
Before replacing an FM 353, back up the STEP 7 project and axis parameter data. If you need help comparing the 1AH00 and 1AH01 revisions, contact us before ordering.
