Safety Automation Solution – BACHMANN SDO204 | SD0204 Safety Digital Output Module | MX Series
Where This Product Is Used
The BACHMANN SDO204 (SD0204) Safety Digital Output Module is purpose-built for safety-critical industrial environments where reliable, certified digital output control is non-negotiable. Typical deployment scenarios include:
- Wind Turbine Control Systems – Integrated into BACHMANN MX Series controllers for pitch control, brake actuation, and emergency stop circuits in onshore and offshore wind turbines.
- Industrial Safety PLCs – Used as a certified safety output stage in machine guarding, emergency shutdown (ESD), and safety instrumented systems (SIS).
- Process Automation – Deployed in oil & gas, chemical, and power generation plants requiring IEC 61508 / SIL2-compliant digital output channels.
- Renewable Energy SCADA – Acts as the final control element in safety loops monitored by SCADA and DCS platforms.
- Test & Validation Rigs – Used in HIL (Hardware-in-the-Loop) test benches for validating safety logic in automotive and aerospace applications.
Technical Specifications
| Part Number | SDO204 / SD0204 |
| Manufacturer | BACHMANN Electronic GmbH |
| Series | MX Series Safety I/O |
| Module Type | Safety Digital Output Module |
| Output Channels | 4 x Safety Digital Outputs (DO) |
| Safety Integrity Level | SIL2 (IEC 61508) |
| Output Voltage | 24 V DC |
| Output Current | Up to 0.5 A per channel |
| Backplane Bus | BACHMANN MX Series proprietary backplane |
| Mounting | DIN Rail / MX Series rack |
| Weight | 260 g |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP20 |
| Certifications | CE, IEC 61508 SIL2, TÜV |
Why Engineers Specify This Model
- Certified SIL2 Safety Output – Meets IEC 61508 SIL2 requirements, enabling use in safety instrumented functions (SIF) without additional external relays in many architectures.
- Seamless MX Series Integration – Plug-and-play compatibility with BACHMANN MX200, MX213, and MX220 controllers; no additional gateway or adapter required.
- Compact 4-Channel Design – High channel density reduces rack space and wiring complexity in safety cabinets.
- Diagnostic Transparency – Built-in self-test and channel-level diagnostics surfaced via BACHMANN SolutionCenter for rapid fault isolation.
- Proven Wind Industry Track Record – Widely specified by OEMs including Vestas, Siemens Gamesa, and Nordex for turbine safety systems.
- Long-Term Availability – Konmask maintains verified surplus and refurbished stock with full functional testing, supporting legacy fleet maintenance.
Complete System Bill of Materials
For a complete BACHMANN MX Series safety I/O rack, engineers typically pair the SDO204 with:
- BACHMANN MX213 / MX220 – CPU / Controller Module
- BACHMANN SDI204 – Safety Digital Input Module (4-channel, SIL2)
- BACHMANN SAI204 – Safety Analog Input Module
- BACHMANN MX-PS24 – 24 V DC Power Supply Module
- BACHMANN MX-BP – Backplane / Rack Assembly
- BACHMANN SolutionCenter – Engineering & Diagnostic Software
Contact [email protected] for bundle pricing on complete rack assemblies.
Compliance & Industry Standards
- IEC 61508 – Functional Safety of E/E/PE Safety-related Systems (SIL2)
- IEC 61511 – Functional Safety for the Process Industry Sector
- IEC 62061 – Safety of Machinery – Functional Safety
- EN 61131-2 – Programmable Controllers – Equipment Requirements & Tests
- CE Marking – EU Low Voltage Directive & EMC Directive compliant
- TÜV Certified – Third-party safety certification by TÜV Rheinland / TÜV SÜD
- RoHS Compliant – Restriction of Hazardous Substances Directive
Quality Assurance & Sourcing
All BACHMANN modules sourced and sold by Konmask.com undergo a rigorous multi-stage quality process:
- ✅ Visual Inspection – PCB, connectors, and housing checked for physical damage, corrosion, or counterfeit indicators.
- ✅ Functional Power-On Test – Module powered and verified for correct LED status, backplane communication, and channel response.
- ✅ Firmware Version Check – Firmware version recorded and disclosed; updates available on request.
- ✅ ESD-Safe Packaging – Shipped in anti-static bags with foam cushioning and double-wall carton.
- ✅ Traceability – Serial number and test record provided with every shipment.
We supply new, surplus-new, and professionally refurbished units. Condition is clearly stated at time of quotation.
How to Source This Part
- Add to Cart – Click “Add to Cart” above for immediate checkout.
- Request a Quote – Email [email protected] with your required quantity, delivery timeline, and destination country for a tailored quotation.
- WhatsApp / Phone – Reach our technical sales team directly at +0086 19859288691 for urgent requirements.
- Bulk & OEM Orders – Volume pricing available for orders of 5+ units. Lead time and pricing confirmed within 24 business hours.
- Global Shipping – We ship worldwide via DHL, FedEx, and UPS with full export documentation (commercial invoice, packing list, COO).
Application-Specific FAQ
Q: Is the SDO204 compatible with BACHMANN MX200 controllers?
A: Yes. The SDO204 is fully compatible with the BACHMANN MX Series backplane, including MX200, MX213, and MX220 CPU modules.
Q: Can the SDO204 be used in SIL2 safety loops without an external safety relay?
A: In many architectures, yes. The SDO204 is TÜV-certified to SIL2 per IEC 61508, allowing direct connection to actuators in certified safety loops. Always verify with your functional safety engineer and the applicable BACHMANN safety manual.
Q: What is the difference between SDO204 and SD0204?
A: SDO204 and SD0204 refer to the same physical module. SD0204 is an alternate notation (using the digit zero instead of the letter O) commonly found in older documentation and procurement systems. Both designations are accepted when ordering.
Q: Do you provide a warranty?
A: Yes. Konmask offers a 90-day functional warranty on all tested modules. Extended warranty options are available upon request.
Q: Can you supply the BACHMANN SolutionCenter software license?
A: We can assist with sourcing BACHMANN software licenses. Contact us for availability and pricing.
Q: What is the lead time for the SDO204?
A: In-stock units ship within 1–3 business days. For out-of-stock inquiries, lead time is confirmed within 24 hours of your request.
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Contact: [email protected] | +0086 19859288691
