Diagnostics-capable 24 V DC output control for redundant and distributed automation architectures.
This SM 322 digital output module provides sixteen 24 V DC channels rated at 0.5 A per channel for switching industrial actuator circuits. Siemens documentation identifies galvanic isolation in groups of four, wire-break monitoring at signal states 0 and 1, and support for redundant operation. The 40-pole front-connector format and documented IM 153-X HF interface requirement make exact hardware and project checks important during replacement planning. It is suited to S7-300, PCS 7 and ET 200M-related installed-base maintenance where diagnostic behavior, channel grouping and redundancy settings must match the approved engineering configuration.
| Product Condition | Original new |
|---|---|
| Availability | In stock |
| Official Lifecycle | PM400 — Announcement of product phase-out; effective 2023-10-01 |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6ES7322-8BH10-0AB0 |
| Product Type | SIMATIC S7/PCS 7 SM 322 digital output module |
| Digital Outputs | 16 |
| Rated Load Voltage | 24 V DC |
| Output Current | 0.5 A per channel |
| Galvanic Isolation | Channels arranged in groups of four |
| Diagnostics | Wire-break monitoring at signal states 0 and 1 |
| Front Connector | 1 × 40-pole |
| Documented Interface | IM 153-X HF |
| Redundant Operation | Supported |
| Dimensions (W × H × D) | 40 × 125 × 120 mm |
| Net Weight | 0.336 kg |
| Country of Origin | GERMANY |
| Use Case | Why It Matters |
|---|---|
| Redundant ET 200M stations | Supports diagnostic output control where the approved architecture uses the documented high-feature interface. |
| PCS 7 process cabinets | Switches 24 V DC field actuators while retaining wire-break monitoring in the engineered configuration. |
| S7-300 installed-base maintenance | Supports exact-order-code replacement review for existing SM 322 output positions. |
| Diagnostic actuator circuits | Helps maintenance teams investigate open-circuit conditions when project settings and field wiring are matched. |
PM400 means Announcement of product phase-out. It is not presented here as a statement that the module is discontinued or that every installation is drop-in compatible.
It identifies the Siemens diagnostics-capable SM 322 configuration covered by the technical data on this page. The suffix should be matched exactly.
Siemens lists PM400, Announcement of product phase-out, effective 2023-10-01. That wording is retained and is not changed to Discontinued.
Verify 24 V DC load voltage, 0.5 A channel rating, channel grouping, field wiring and the 40-pole connector.
Check interface hardware, rack architecture, project parameterization and the installed module identification before replacement.
Product, nameplate and packaging views can be reviewed as part of the quotation and pre-shipment confirmation process.
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
Verification, inspection, documentation and shipment coordination for industrial automation buyers and engineers.
| Gate | Service Check | What We Review |
|---|---|---|
| 01 · Identity | Model and suffix verification | Complete order code, suffix, series and label consistency. |
| 02 · Condition | Condition confirmation | Packaging, housing, terminals and declared commercial condition. |
| 03 · Engineering | Technical compatibility review | Electrical requirements, connector, interface, revision and installed architecture. |
| 04 · Evidence | Product and label photo confirmation | Requested product views and readable label details before shipment. |
| 05 · Dispatch | Protective packaging | Static-conscious protection, cushioning and outer-carton handling. |
| 06 · Logistics | Worldwide shipping | Destination, carrier options and route coordination without an unverified delivery promise. |
| 07 · Visibility | Shipment tracking | Tracking details shared after carrier acceptance. |
| 08 · Documents | Customs documentation | Commercial paperwork prepared for the confirmed shipment route. |
| 09 · Terms | Written warranty terms | Scope, period and claim conditions recorded in writing. |
| 10 · Returns | Return authorization process | Case review and authorization steps before any return shipment. |
| 11 · Support | After-sales response | Post-delivery communication for documentation, condition and compatibility questions. |
Our workflow connects suffix checking, label review, visible-condition inspection and photo evidence. This helps buyers align the supplied unit with the approved procurement record.
Packaging is selected for the equipment type and shipment route. The team coordinates carrier handling, tracking and customs paperwork after order details are confirmed.
A clear contact path supports shipment questions, written warranty terms, authorized return review and engineering communication after delivery.
Ask for the complete order code, readable label photos, declared condition, written warranty terms and a documented shipping process. Answers should match the requested suffix.
Verify the legal seller identity, quotation scope, payment beneficiary, part number, quantity, condition, warranty, packaging plan, customs paperwork and return authorization route.
Confirm 24 V DC load requirements, channel current, 40-pole connector, IM 153-X HF interface, redundancy settings, software configuration and the complete suffix.
Common warning signs include altered labels, mismatched suffixes, copied specifications, unclear condition, refusal to provide photos, unverifiable payment details and pressure to ship before compatibility review.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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