Schneider Electric BMXDDO3202K – 32-Channel 24VDC Discrete Output Module | Modicon M340 Platform
Engineering Background
The BMXDDO3202K is a high-density discrete output module engineered for the Schneider Electric Modicon M340 mid-range PLC platform. Designed to meet the rigorous demands of industrial automation, it delivers reliable 24VDC transistor-sourcing outputs across 32 channels, enabling precise control of actuators, solenoids, relays, and indicator loads in demanding process and machine control environments.
Product Positioning
As a core I/O expansion module within the Modicon M340 backplane ecosystem, the BMXDDO3202K is the preferred choice for procurement engineers seeking high channel density, deterministic output switching, and seamless integration with Unity Pro / EcoStruxure Machine Expert programming environments. It is widely deployed in automotive assembly, water treatment, packaging machinery, and building automation systems.
Complete Technical Specifications
| Part Number / SKU | BMXDDO3202K |
| Manufacturer | Schneider Electric |
| Product Series | Modicon M340 |
| Module Type | Discrete Output Module (DO) |
| Number of Output Channels | 32 |
| Output Voltage | 24VDC |
| Output Type | Transistor, Source (PNP) |
| Max Output Current per Channel | 0.5 A |
| Max Total Output Current | 4 A (per group of 8 channels) |
| Isolation | Optical isolation between field and logic |
| Protection | Short-circuit and overload protection per channel |
| Connector Type | HE10 (20-pin) × 2 |
| Backplane Bus | Modicon M340 X-Bus |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C |
| Relative Humidity | 10% to 95% (non-condensing) |
| Degree of Protection | IP20 |
| Certifications | CE, UL, cUL, IEC 61131-2 |
| Module Weight | Approx. 240 g |
| Dimensions (H × W × D) | 100 × 15 × 115 mm (standard M340 slot) |
| Power Consumption (internal bus) | ≤ 1.0 W |
| Compatible Racks | BMX XBP 0400 / 0800 / 1200 / 0800H |
| Compatible CPUs | BMX P34 1000 / 2000 / 2010 / 2020 / 2030 / 20302 |
| Programming Software | Unity Pro, EcoStruxure Machine Expert |
Proven Application Environments
- Automotive Manufacturing: Body-in-white assembly lines, robotic cell I/O control, conveyor sequencing
- Water & Wastewater Treatment: Pump station control, valve actuation, dosing system management
- Packaging Machinery: High-speed filling lines, labeling machines, palletizing systems
- Building Automation: HVAC actuator control, lighting management, access control integration
- Oil & Gas: Wellhead control panels, pipeline valve sequencing (non-hazardous zones)
- Food & Beverage: CIP/SIP process control, conveyor sorting, batch management
Engineering Advantages
- High Channel Density: 32 outputs in a single 15mm-wide slot minimizes rack space and wiring complexity
- Per-Channel Short-Circuit Protection: Eliminates cascading failures; individual channel diagnostics accessible via Unity Pro
- Optical Isolation: Protects PLC logic from field-side voltage transients and ground loops
- HE10 Pre-wired Connector Compatibility: Supports Telefast ABE-7 sub-base wiring systems for rapid field termination
- Hot-Swap Capable: Module replacement without full system shutdown (with appropriate rack configuration)
- Deterministic Switching: Consistent output response time for time-critical control sequences
- IEC 61131-2 Compliant: Meets international PLC I/O module standards for global project deployment
System Architecture & Signal Flow
The BMXDDO3202K slots directly into any available I/O slot on a Modicon M340 rack (BMX XBP series). The module communicates with the CPU via the internal X-Bus backplane, with zero additional configuration hardware required. Field wiring connects via dual HE10 connectors (16 channels per connector), supporting both direct terminal block wiring and Telefast pre-wired harness systems.
Signal Flow: CPU Logic → X-Bus Backplane → BMXDDO3202K Internal Logic → Optical Isolator → Transistor Output Driver → Field Device (solenoid / relay / indicator)
Each output channel is individually addressable in the Unity Pro I/O map and supports forced output diagnostics for commissioning and maintenance workflows.
Sourcing & Quality Verification
- Origin: Genuine Schneider Electric manufactured components; traceable to authorized distribution channels
- Inspection Protocol: Each unit undergoes visual inspection, label verification, and functional power-on testing prior to shipment
- Packaging: Original OEM anti-static packaging with factory seals where applicable; securely repackaged for international transit
- Documentation: CE Declaration of Conformity and product datasheet available upon request
- Warranty: 12-month operational warranty against manufacturing defects
Procurement Process
- Submit RFQ: Contact us via email at [email protected] or WhatsApp +0086 19859288691 with your required quantity and delivery timeline
- Receive Quotation: Formal quotation with unit price, lead time, and shipping options issued within 24 business hours
- Order Confirmation: Purchase order or proforma invoice issued upon agreement
- Quality Inspection: Pre-shipment inspection report provided upon request
- Shipment & Tracking: DHL / FedEx / UPS express shipping with full tracking; sea freight available for bulk orders
- After-Sales Support: Technical support and warranty claims handled directly by Konmask engineering team
Technical FAQ
Q: Is the BMXDDO3202K compatible with Modicon Quantum or Premium racks?
A: No. The BMXDDO3202K is exclusively designed for the Modicon M340 X-Bus backplane and is not compatible with Quantum (S908 bus) or Premium (Fipio/X-Bus Premium) racks.
Q: Can this module drive relay coils directly?
A: Yes, provided the relay coil current does not exceed 0.5A per channel and 4A per 8-channel group. For higher-current loads, an interposing relay or solid-state relay is recommended.
Q: What is the output response time?
A: Typical output ON/OFF response time is <1ms, ensuring deterministic control for high-speed machine applications.
Q: Does the module support diagnostics?
A: Yes. Per-channel short-circuit and overload diagnostics are reported to the CPU and accessible in Unity Pro / EcoStruxure Machine Expert for real-time fault identification.
Q: Is a Telefast wiring sub-base required?
A: No. Direct HE10 connector wiring is supported. Telefast ABE-7 sub-bases are optional accessories that simplify field wiring and reduce commissioning time.
Q: What certifications does the BMXDDO3202K carry?
A: CE (European conformity), UL/cUL (North American safety), and IEC 61131-2 (international PLC I/O standard).
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