Schneider Electric TSXDMZ28DR – 28-Point Discrete Relay I/O Base Module | Modicon TSX Micro Platform
Engineering Background
The TSXDMZ28DR is a compact, high-density discrete I/O expansion base designed for the Schneider Electric Modicon TSX Micro programmable controller family. Engineered for demanding industrial environments, this module delivers reliable relay-contact outputs alongside digital inputs in a single DIN-rail-mounted housing—reducing panel footprint while maximizing I/O density per rack slot.
Product Positioning
Targeted at OEM machine builders, system integrators, and plant maintenance teams operating TSX Micro-based control architectures, the TSXDMZ28DR serves as the workhorse I/O base for discrete signal management in manufacturing, material handling, and process automation applications. Konmask.com supplies verified surplus and new-old-stock units with full traceability documentation.
Complete Technical Specifications
- Part Number: TSXDMZ28DR
- Manufacturer: Schneider Electric (Modicon)
- Series / Platform: TSX Micro (TSX 37 family)
- Module Type: Discrete Relay I/O Base
- Total I/O Points: 28 (16 DI + 12 DO relay)
- Input Type: 24 V DC sink/source, IEC Type 1
- Input Voltage Range: 19.2–30 V DC
- Input Current per Point: 7 mA @ 24 V DC
- Output Type: Relay contact (NO), isolated
- Output Voltage Range: 24–240 V AC / 24–30 V DC
- Output Current per Point: 2 A resistive
- Output Switching Capacity: 480 VA (AC) / 60 W (DC)
- Relay Mechanical Life: ≥ 10 million operations
- Relay Electrical Life: ≥ 100,000 operations at rated load
- Isolation: 1,500 V AC (input-to-bus), 1,500 V AC (output-to-bus)
- Backplane Bus: TSX Micro internal I/O bus
- Power Consumption (internal bus): ≤ 0.8 W
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: −25 °C to +70 °C
- Relative Humidity: 5–95% non-condensing
- Degree of Protection: IP20 (module body)
- Mounting: DIN rail (35 mm) via TSX Micro base rack
- Dimensions (H × W × D): 130 × 80 × 75 mm (approx.)
- Weight: 582 g
- HS Code: 8537.10
- Certifications: CE, UL, cUL, IEC 61131-2
- Country of Origin: France / EU
Proven Application Environments
- Discrete Manufacturing: Conveyor control, end-of-line testing, assembly line sequencing
- Material Handling: Sorting systems, palletizers, automated guided vehicle (AGV) interlocks
- Building Automation: HVAC damper control, pump/fan motor starters, lighting relay panels
- Water & Wastewater: Valve actuation, level switch monitoring, pump sequencing
- Food & Beverage: Filling line control, conveyor indexing, safety interlock circuits
- OEM Machine Control: Injection molding, packaging machinery, CNC auxiliary I/O
Engineering Advantages
- Relay Contact Isolation: Each output channel is electrically isolated, eliminating ground-loop interference between load circuits and the PLC bus—critical for mixed AC/DC load panels.
- High Mixed-Voltage Tolerance: Relay outputs accept 24–240 V AC or 24–30 V DC loads without hardware reconfiguration, simplifying panel design for multi-voltage installations.
- Compact 28-Point Density: Integrates 16 inputs and 12 relay outputs in a single base module, reducing the number of rack slots consumed versus separate input and output modules.
- Native TSX Micro Integration: Plug-and-play compatibility with TSX 37-05, 37-10, 37-20, and 37-22 base units; no additional configuration hardware required.
- IEC 61131-2 Compliance: Meets international PLC I/O standard for input filtering, noise immunity, and output protection, ensuring interoperability in globally certified machine designs.
- LED Status Indication: Per-channel I/O status LEDs enable rapid field diagnostics without a programming terminal.
System Architecture & Signal Flow
The TSXDMZ28DR mounts directly onto the TSX Micro base rack and communicates via the internal I/O bus. Field wiring connects to the removable screw-terminal connector block (front-face access). Digital inputs are scanned synchronously with the PLC scan cycle; relay outputs are updated at end-of-scan. The module’s internal power supply draws from the rack bus (≤ 0.8 W), while output relay coils are powered from the field supply—ensuring complete galvanic separation between control logic and field loads.
Compatible Base Units: TSX 37-05 / 37-10 / 37-20 / 37-21 / 37-22 | Programming Software: PL7 Micro / PL7 Pro (Telemecanique) | Addressing: Slot-based I/O addressing (%I / %Q)
Sourcing & Quality Verification
- Stock Condition: Verified surplus / new-old-stock (NOS) — inspected prior to shipment
- Inspection Protocol: Visual inspection, label verification, functional power-on check where applicable
- Traceability: Original manufacturer labeling retained; date codes documented on request
- Packaging: Anti-static bag + foam-lined carton; original packaging preserved where available
- Warranty: 90-day Konmask operational warranty against DOA / latent defects
- Counterfeit Mitigation: All units sourced from traceable supply chains; hologram and label authenticity verified against Schneider Electric reference standards
Procurement Process
- Step 1 – Inquiry: Submit your BOM or part number via email or the product page inquiry form
- Step 2 – Quote: Receive a formal quotation with lead time, quantity availability, and shipping options within 1 business day
- Step 3 – Order Confirmation: Purchase order or online checkout accepted; proforma invoice issued for wire transfer payments
- Step 4 – Inspection & Dispatch: Unit inspected, photographed, and packed; tracking number issued within 24–48 hours of payment clearance
- Step 5 – Delivery: DHL Express / FedEx International Priority standard; EXW / CIF / DAP Incoterms available for B2B orders
- Step 6 – After-Sales: Technical support and warranty claims handled directly by Konmask engineering team
Technical FAQ
Q: Is the TSXDMZ28DR compatible with TSX Premium or Modicon M340 platforms?
A: No. This module is exclusively designed for the TSX Micro (TSX 37) family. TSX Premium uses TSX DSY / DST series I/O; M340 uses BMX series modules.
Q: Can relay outputs switch inductive loads (solenoids, motor starters)?
A: Yes, with appropriate surge suppression (RC snubber or MOV) across the load. Inductive load derating applies—consult the Schneider Electric TSXDMZ28DR user manual (ref. 35010571) for derating curves.
Q: What is the maximum number of TSXDMZ28DR modules per TSX Micro rack?
A: Depends on the base unit. TSX 37-22 supports up to 7 expansion modules; total I/O capacity and bus power budget must be verified against the base unit specification.
Q: Is PL7 software still available for programming?
A: PL7 Micro and PL7 Pro are legacy tools available via Schneider Electric’s software archive. Unity Pro / EcoStruxure Machine Expert does not support TSX Micro natively.
Q: Do you provide a test report or functional verification certificate?
A: Functional inspection reports are available on request for orders ≥ 2 units. Contact [email protected] to arrange.
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