Schneider Electric Modicon TSX Premium Modules

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon TSX Premium Series: Comprehensive Module Range and Technical Overview

The Schneider Electric Modicon TSX Premium series is a mid-to-high range programmable automation controller (PAC) platform that has achieved widespread deployment across global heavy industry verticals, including petrochemical refineries, nuclear power auxiliary systems, offshore oil & gas platforms, and continuous-process chemical plants. Its modular rack architecture, deterministic scan cycle performance, and native compatibility with the Unity Pro programming environment have made it a reference platform for safety-critical and high-availability automation projects throughout Europe, Asia-Pacific, and the Americas. Installed base estimates place TSX Premium among the most widely maintained legacy PLC platforms in active service, with a significant proportion of units operating beyond their original design lifecycle in facilities where process continuity prohibits disruptive platform migrations.

The Evolution of TSX Premium Architecture

The TSX Premium platform was introduced by Schneider Electric (then Telemecanique / Modicon) in the mid-1990s as a successor to the TSX Series 7 and TSX Micro families. The original firmware generation used Concept and PL7 Pro programming environments, with processors designated under the TSXP57 prefix. A major architectural transition occurred with the introduction of Unity Pro compatibility, which unified the programming environment across the Modicon M340, Premium, and Quantum families under IEC 61131-3 structured text, function block diagram, ladder, sequential function chart, and instruction list languages.

The rack system uses a passive backplane bus (X-bus) with deterministic token-ring arbitration. Early racks (TSXRKY4, TSXRKY6, TSXRKY8, TSXRKY12) remain physically compatible with current-generation I/O modules, though mixed-generation configurations require careful firmware version alignment. The introduction of Fipio and Modbus Plus fieldbus adapters extended the platform's reach into distributed I/O architectures. Ethernet connectivity was later standardized through the TSXETY series communication modules, enabling integration with SCADA systems via Modbus TCP/IP. As of 2024, Schneider Electric has formally classified the TSX Premium series as End of Life (EOL) / End of Commercialization, with commercial spare parts availability transitioning to third-party MRO channels. This lifecycle status makes long-term maintenance sourcing a primary operational concern for asset owners.

TSX Premium Full Catalog & Functionalities (SKU List)

Processors (CPU Modules)

• TSXP571634M: Unity processor, 1024 I/O, 256KB user memory, Modbus/Fipio integrated
• TSXP572634M: Unity processor, 2048 I/O, 512KB user memory, dual-port Ethernet ready
• TSXP573634M: Unity processor, 4096 I/O, 1MB user memory, high-capacity task management
• TSXP574634M: Unity processor, 8192 I/O, 2MB user memory, large-scale process control
• TSXP57454M: PL7 Pro compatible processor, 4096 I/O, legacy firmware baseline
• TSXP57354M: PL7 Pro processor, 2048 I/O, mid-range task capacity

Digital Input Modules (DI)

• TSXDEY16D2: 16-channel 24VDC digital input, sink/source compatible, standard density
• TSXDEY32D2K: 32-channel 24VDC digital input, high-density, HE10 connector
• TSXDEY16A4: 16-channel 120VAC digital input, isolated, panel-mount terminal block

Digital Output Modules (DO)

• TSXDSY16T2: 16-channel 24VDC transistor output, 0.5A per channel, source type
• TSXDSY32T2K: 32-channel 24VDC transistor output, high-density, HE10 connector
• TSXDSY08R5: 8-channel relay output, 5A per channel, 250VAC/30VDC rated

Analog Input/Output Modules (AI/AO)

• TSXAEY414: 4-channel analog input, ±10V / 0–20mA / 4–20mA, 12-bit resolution
• TSXAEY800: 8-channel analog input, high-speed, 16-bit resolution, thermocouple compatible
• TSXASY410: 4-channel analog output, 0–10V / 4–20mA, 12-bit resolution

Communication & Network Modules

• TSXETY110: 10/100 Mbps Ethernet TCP/IP module, Modbus TCP server/client, web diagnostics
• TSXFPP20: Fipio bus master module, supports up to 127 remote I/O drops
• TSXMBP100: Modbus Plus network adapter, peer-to-peer and master/slave topology

Power Supply Modules (PS)

• TSXPSY2600M: 26W rack power supply, 100–240VAC input, 24VDC bus output
• TSXPSY5500M: 55W rack power supply, 100–240VAC input, high-current bus for dense I/O racks

Sourcing Hard-to-Find & Obsolete TSX Premium Parts

DriveKNMS maintains a dedicated inventory program for Schneider Electric TSX Premium components, with particular focus on processor modules, communication adapters, and high-density I/O modules that have been discontinued from the OEM supply chain. For facilities operating TSX Premium systems in long-term maintenance mode — common in nuclear auxiliary, water treatment, and continuous chemical processing environments — DriveKNMS provides the following lifecycle extension services: verified surplus stock from decommissioned installations, functional testing against original OEM specifications, traceability documentation for regulated industries, and cross-reference support for identifying compatible replacement modules where direct substitution is not available. Inquiries for bulk MRO contracts, emergency replacement orders, and scheduled maintenance kits are handled directly by the technical sales team.

Quality Control for the TSX Premium Range

TSX Premium modules present specific test challenges due to their X-bus backplane communication protocol and the interaction between processor firmware versions and I/O module hardware revisions. DriveKNMS applies a structured test protocol to all TSX Premium units prior to dispatch. Each processor module undergoes power-on self-test (POST) verification, Unity Pro connectivity validation, and memory integrity check across the full user memory address space. Communication modules are tested for network enumeration, frame transmission integrity, and error counter baseline. Analog modules are calibrated against a traceable reference standard with channel-by-channel offset and gain verification. All modules are inspected for capacitor condition, connector pin integrity, and conformal coating status. Units that do not meet functional acceptance criteria are quarantined and documented; no non-functional units are shipped as serviceable stock.