SIMATIC S7-300 DM 370 placeholder for controlled module replacement
The Siemens 6ES7370-0AA01-0AA0 is the SIMATIC S7-300 DM 370 dummy module. Siemens identifies it as a placeholder used during module replacement, allowing a defined rack position to remain mechanically occupied when the functional module is temporarily absent. It does not provide the signal-processing function of the removed module and must not be treated as an operational substitute. The exact suffix, rack configuration, slot assignment and maintenance procedure must be checked against the installed S7-300 documentation. Siemens marks the product PM400: Phase Out Started and records product discontinuation from October 1, 2023.
| Item | Status | Basis |
|---|---|---|
| Product Condition | Original new | Stockoems commercial term |
| Availability | In stock | Stockoems commercial term, subject to order verification |
| Official Life Cycle | PM400: Phase Out Started; product discontinued since 2023-10-01 | Siemens product status |
| Warranty | With 1 year warranty | Stockoems commercial term |
Condition, availability and warranty are Stockoems commercial information and are not Siemens manufacturer commitments.
| Parameter | 6ES7370-0AA01-0AA0 verified value |
|---|---|
| Manufacturer / system | Siemens / SIMATIC S7-300 |
| Complete article number | 6ES7370-0AA01-0AA0 |
| Product designation | DM 370 dummy module |
| Primary function | Dummy module used during module replacement |
| Product group | DM 370 dummy module |
| Official lifecycle | PM400: Phase Out Started |
| PLM effective date | Product discontinued since 2023-10-01 |
| Net weight | 0.214 kg |
| Packaging dimensions | 13.10 × 15.10 × 5.10 cm |
| Country of origin | Germany |
| Check | Requirement |
|---|---|
| Rack system | Verify the installed rack is SIMATIC S7-300 |
| Slot purpose | Confirm the intended slot and maintenance procedure |
| Functional limits | Do not treat DM 370 as a functional signal module |
| Lifecycle | Account for PM400 phase-out status and the 2023 discontinuation date |
| Identity | Match the full 6ES7370-0AA01-0AA0 suffix |
Siemens identifies 6ES7370-0AA01-0AA0 as PM400: Phase Out Started and states that the product has been discontinued since October 1, 2023. The module remains a dummy placeholder, not a functional I/O replacement.
It is a DM 370 dummy module used as a placeholder during module replacement.
No. It is a dummy placeholder and does not reproduce the removed module’s signal function.
It belongs to the SIMATIC S7-300 system.
Siemens states PM400: Phase Out Started and product discontinued since October 1, 2023.
The Siemens product record lists 0.214 kg.
Verify the full suffix, rack type, slot assignment, required placeholder function and lifecycle requirements.
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.
Our service process combines identity checks, technical review, visual evidence, careful logistics and documented after-sales communication without promising unverified quantities or lead times.
| Stage | Service action | Buyer evidence |
|---|---|---|
| 1. Identity | Model and suffix verification | Exact label match for 6ES7370-0AA01-0AA0 and DM 370 designation |
| 2. Condition | Condition confirmation; product and label photo confirmation | Clear full-unit, label, connector and housing images |
| 3. Technical fit | Technical compatibility review | S7-300 rack, slot purpose, dummy-module limits and lifecycle requirements checked |
| 4. Packing | Protective packaging | Sensitive surfaces and connectors protected against transit damage |
| 5. Logistics | Worldwide shipping, shipment tracking and customs documentation | Destination and documentation requirements reviewed |
| 6. After sales | Written warranty terms, return authorization process and after-sales response | Commercial terms recorded before order placement |
A qualified supplier should verify the exact manufacturer and complete part number, provide current label photos, describe condition in writing, review compatibility, issue consistent documents, use protective packaging and provide traceable shipping records.
Risk signals include missing label evidence, incomplete suffix handling, unexplained specification changes, unverifiable stock claims, inconsistent company details, vague return procedures or promises of universal compatibility.
Check the full suffix, S7-300 rack and slot, the non-functional placeholder role, maintenance sequence and PM400 phase-out status.
For model verification, photo evidence, compatibility review, packing details, shipping options or after-sales communication, contact our team.
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