FM 351 module for rapid and creep traverse drives with incremental or SSI encoder feedback
Siemens 6ES7351-1AH02-0AE0 is the SIMATIC S7-300 FM 351 positioning module for rapid and creep traverse drives. Siemens specifies eight 24 V DC digital inputs, eight 24 V DC digital outputs and encoder interfaces for symmetrical or asymmetrical incremental encoders and SSI absolute encoders. The module supports reference cams, reversing cams, actual-value setting and positioning start or stop functions. It fits controlled positioning tasks in machinery using S7-300 hardware. Before replacement, verify the full suffix, front connector, encoder type, signal levels, axis mechanics, output loads, STEP 7 configuration, parameter data, firmware and commissioning backup.
| Product Condition | Original new |
| Availability | In stock |
| Official Lifecycle | PM400:Announcement of product phase-out |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
Condition, availability and warranty are Stockoems commercial information, not manufacturer commitments.
| Manufacturer | Siemens |
| Complete Part Number | 6ES7351-1AH02-0AE0 |
| Product Type | FM 351 positioning module |
| Series | SIMATIC S7-300 |
| Drive Method | Rapid and creep traverse |
| Supply Voltage | 24 V DC; permissible range 20.4 to 28.8 V |
| Maximum Current Consumption | 350 mA |
| Backplane Bus Current | Maximum 150 mA at 5 V DC |
| Digital Inputs | 8 |
| Digital Outputs | 8 |
| Incremental Encoder Input | 5 V differential RS 422 up to 0.5 MHz; 24 V asymmetrical up to 50 kHz |
| Absolute Encoder Input | SSI, 13 or 25 bit, up to 1.5 MHz |
| Potential Separation | Digital inputs and digital outputs |
| Required Front Connector | 1 x 20-pin |
| Dimensions | 80 x 125 x 120 mm |
| Operating Temperature | 0 to 60 C |
| Approximate Weight | 550 g |
| Country of Origin | Germany |
| Official Lifecycle | PM400:Announcement of product phase-out |
| PLM Effective Date | Product phase-out since 2023-10-01 |
| System Fit | SIMATIC S7-300 installations requiring FM 351 positioning control. |
| Motion Role | Rapid and creep positioning for suitable bidirectional drive arrangements. |
| Encoder Use | Incremental encoders or SSI absolute encoders within documented signal limits. |
| Maintenance Use | Exact-model replacement after hardware, parameter and axis review. |
| Project Use | Requires verified STEP 7 hardware configuration, parameter DB and commissioning data. |
Siemens Industry Mall lists 6ES7351-1AH02-0AE0 as PM400:Announcement of product phase-out, effective from 2023-10-01. This wording is retained exactly and is not changed to Discontinued. Continued use or replacement requires the exact module suffix, encoder interface, front connector, parameter data and S7-300 project configuration to be verified.
It identifies the SIMATIC S7-300 FM 351 positioning module for rapid and creep traverse drives.
Siemens specifies eight digital inputs and eight digital outputs, all based on 24 V DC circuits.
The module supports symmetrical and asymmetrical incremental encoders plus SSI absolute encoders.
The official data sheet specifies one 20-pin front connector.
Siemens lists PM400:Announcement of product phase-out, effective from 2023-10-01.
No. Encoder functions, hardware revision, parameter data and documented differences must be checked.
Yes. Request full-module, label, connector, indicator and packaging photographs.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
Documentation, axis configuration, condition evidence and order coordination for 6ES7351-1AH02-0AE0.
The complete order code, Siemens data, encoder selection, digital I/O and axis parameters are reviewed before a replacement decision.
Full-module, nameplate, front-connector, indicator and packaging photographs support identity and visible-condition checks.
Protective packaging, connector safeguards, included media, shipping documents and tracking are coordinated after order review.
| Model Verification | Check 6ES7351-1AH02-0AE0, revision, label and 20-pin connector photos. |
| Axis Review | Record drive direction, rapid and creep logic, travel limits and mechanical transmission data. |
| Encoder Review | Confirm incremental or SSI encoder type, signal level, telegram length and cable requirements. |
| I/O Review | Compare all eight inputs, eight outputs, supply wiring and output loads. |
| Commissioning Records | Preserve STEP 7 hardware data, parameter DB, machine data and commissioning backups. |
Provide the full suffix, quantity, destination and label photos.
Compare encoder, connector, I/O, axis mechanics and parameter backups.
Review visible condition, connector protection, packaging and delivery records.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
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Linked models open an exact published Stockoems product page. Unlinked entries are retained as model text only.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
