Schneider Electric TSXDMZ28DR

Technical Dossier

Product Details And Specifications

Schneider Electric TSX DMZ Series Technical Notes

The Schneider Electric TSX DMZ series constitutes the discrete and analog I/O expansion module family for the TSX Premium programmable logic controller platform. Deployed across global heavy industry — including petrochemical complexes, nuclear power auxiliary systems, offshore oil & gas platforms, and continuous-process refineries — the TSX Premium PLC with its TSX DMZ I/O base architecture has accumulated a substantial installed base since its commercial introduction in the mid-1990s. The platform's modular rack-and-bus design, deterministic scan cycle, and IEC 61131-3 compliance made it a preferred choice for safety-adjacent and high-availability process control applications. As of 2026, the TSX Premium line has entered its end-of-commercialization phase, making reliable spare parts sourcing a critical operational requirement for facilities maintaining these systems through their extended lifecycle.

The Evolution of TSX DMZ Architecture

The TSX DMZ module family was engineered as the field I/O layer for the TSX Premium CPU rack (TSX P57 series). Modules connect via the TSX Premium backplane bus, which uses a proprietary parallel bus architecture distinct from the later Modicon M340 (BMX) and M580 (BME) Ethernet-based I/O buses. Early TSX DMZ modules (circa 1995–2002) used screw-terminal wiring bases with fixed I/O counts. Subsequent revisions introduced higher-density configurations and improved diagnostic LED arrays. The series spans discrete input modules (DC and AC), discrete output modules (transistor and relay), mixed I/O bases, and analog I/O modules. Compatibility is rack-slot-specific: TSX DMZ modules are not interchangeable with TSX Momentum (TSX ABI/TSX MOM) or TSX Micro (TSX DMF) families. Migration to Modicon M340 or M580 requires both hardware replacement and Unity Pro / EcoStruxure Control Expert software re-engineering. For facilities unable to undertake full migration, lifecycle extension through certified spare parts procurement remains the standard operational strategy.

TSX DMZ Full Catalog & Functionalities (SKU List)

The following SKUs represent the core TSX DMZ module range. Each entry is a discrete, independently orderable line item within the Schneider Electric TSX Premium I/O catalog.

Discrete Input Modules (DI)

• TSXDMZ28DR: 28-point mixed discrete relay I/O base; 16 DI 24 VDC + 12 DO relay 2A
• TSXDMZ28DTK: 28-point mixed discrete transistor I/O base; 16 DI 24 VDC + 12 DO transistor 0.5A
• TSXDMZ64DTK: 64-point high-density discrete transistor I/O base; 32 DI + 32 DO 24 VDC
• TSXDMZ28DRF: 28-point mixed relay I/O base with fast input capability; 16 DI + 12 DO relay
• TSXDEZ12D2: 12-point discrete input module; 24 VDC sink/source compatible
• TSXDEZ32D2K: 32-point discrete input module; 24 VDC, screw terminal, high-density
• TSXDEZ32D2: 32-point discrete input module; 24 VDC, standard terminal block
• TSXDEZ12A4: 12-point discrete input module; 120 VAC input voltage rated
• TSXDEZ28D2: 28-point discrete input module; 24 VDC, mixed terminal configuration

Discrete Output Modules (DO)

• TSXDSZ08R5: 8-point discrete relay output module; 5A per channel, 250 VAC/30 VDC
• TSXDSZ08T2: 8-point discrete transistor output module; 24 VDC, 0.5A per channel
• TSXDSZ32T2K: 32-point discrete transistor output module; 24 VDC, high-density screw terminal
• TSXDSZ32T2: 32-point discrete transistor output module; 24 VDC, standard terminal block
• TSXDSZ08R4: 8-point relay output module; 4A per channel, 250 VAC rated

Analog I/O Modules (AI/AO)

• TSXAEZ414: 4-channel analog input module; 4–20 mA / 0–10 V, 12-bit resolution
• TSXAEZ802: 8-channel analog input module; voltage/current configurable per channel
• TSXASZ200: 2-channel analog output module; 4–20 mA / 0–10 V, 12-bit DAC
• TSXASZ401: 4-channel analog output module; 4–20 mA, isolated outputs

Communication & Specialty Modules

• TSXSCP114: Serial communication module; RS-232/RS-485, Modbus RTU/ASCII master
• TSXSCP111: Serial communication module; RS-232 only, point-to-point Uni-Telway
• TSXETY110: Ethernet TCP/IP communication module; 10BASE-T, Modbus TCP server