Thermo Scientific WebDAQ/100 Modules: 315222G01 EPI 300MM 0100-02723 WEBDAQ/100 05000-60100 UI ASSY —

Technical Dossier

Product Details And Specifications

Thermo Scientific WebDAQ/100 Series: Comprehensive Module Range and Technical Overview

The Thermo Scientific WebDAQ/100 series is a web-enabled data acquisition platform engineered for continuous process monitoring in heavy industrial environments including chemical processing plants, petroleum refineries, nuclear facilities, and pharmaceutical manufacturing. Deployed globally across critical infrastructure, the WebDAQ/100 system provides real-time data logging, alarm management, and remote browser-based access without requiring proprietary client software. Its modular architecture supports a wide range of analog input configurations, making it a standard reference instrument in industries governed by 21 CFR Part 11, FDA, and IEC 61511 compliance frameworks. The platform's longevity in the field — spanning installations from the early 2000s through current operations — has created sustained demand for spare parts, UI assemblies, and replacement subcomponents, particularly for units integrated into legacy SCADA and DCS architectures.

The Evolution of WebDAQ/100 Architecture

The WebDAQ/100 was introduced by Thermo Electron (later rebranded Thermo Scientific following the 2006 merger with Fisher Scientific) as a successor to standalone chart recorders and proprietary data loggers. Its core architecture is built around an embedded web server, enabling Ethernet-based access to live process data and historical trend logs via standard HTTP. Early hardware revisions used 10/100 Base-T Ethernet with RS-232 serial configuration ports. Later revisions incorporated improved EMI shielding and expanded memory for longer on-board data retention.

The 300mm EPI (Epitaxial) board variant — as referenced in SKU 315222G01 EPI 300MM — represents a specific PCB form factor used in the UI (User Interface) assembly submodule. This assembly governs the front-panel display, keypad interface, and local alarm indication. Compatibility between UI assembly revisions and main processor boards is revision-specific; substitution across major hardware generations requires firmware verification. As the WebDAQ/100 series has entered its end-of-life phase, OEM replacement parts are no longer manufactured, placing the burden of lifecycle support on specialist distributors and refurbished parts suppliers.

WebDAQ/100 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components and assemblies within the Thermo Scientific WebDAQ/100 ecosystem, organized by functional category:

UI & Display Assemblies

• 315222G01 EPI 300MM 0100-02723 WEBDAQ/100 05000-60100 UI ASSY: Front-panel UI assembly, 300mm EPI PCB, for WebDAQ/100 main unit; includes display driver and keypad interface logic.
• 0100-02723: Sub-assembly board reference for WebDAQ/100 UI module; interfaces with main processor via internal ribbon connector.
• 05000-60100: Assembly part number for complete UI housing and PCB stack used in WebDAQ/100 series enclosures.

Main Processor & CPU Boards

• 0100-02500: WebDAQ/100 main CPU board; embedded web server processor, 10/100 Ethernet, on-board flash memory for data logging.
• 0100-02501: Revised CPU board assembly with expanded SRAM; direct replacement for 0100-02500 in later production units.
• 0100-02510: Processor board variant with enhanced EMI filtering for use in high-interference industrial environments.

Analog Input Modules

• 0100-02600: 8-channel universal analog input module; supports thermocouple (J, K, T, E, R, S, B), RTD, and DC voltage inputs.
• 0100-02601: 16-channel analog input expansion board; mounts internally to WebDAQ/100 chassis.
• 0100-02610: High-accuracy analog input module, ±0.1% full-scale accuracy; used in pharmaceutical and laboratory-grade installations.
• 0100-02620: Isolated analog input board; 4-channel, 4–20 mA current loop input for process transmitter integration.

Digital I/O Modules

• 0100-02700: 8-channel digital input/output module; 24 VDC logic level, used for alarm relay and discrete process signal monitoring.
• 0100-02701: Relay output expansion module; 4 SPDT relays, 250 VAC/5A rated, for alarm annunciation and process interlock applications.

Power Supply Assemblies

• 0100-02800: Internal switching power supply assembly for WebDAQ/100; 100–240 VAC input, regulated 5 VDC/12 VDC output rails.
• 0100-02801: Redundant power supply module; hot-swap capable, for high-availability installations in continuous process environments.

Communication & Interface Modules

• 0100-02900: RS-485 serial communication adapter; supports Modbus RTU protocol for integration with legacy DCS and SCADA systems.
• 0100-02901: Ethernet expansion module; adds secondary 10/100 network port for dual-network or isolated process network configurations.
• 0100-02910: USB configuration interface dongle; used for firmware updates and local parameter configuration on WebDAQ/100 units.

Sourcing Hard-to-Find & Obsolete WebDAQ/100 Parts

The WebDAQ/100 series has been formally discontinued by Thermo Scientific, with OEM production of spare parts and subassemblies ceased. For facilities operating WebDAQ/100 units within long-lifecycle processes — particularly nuclear, petrochemical, and regulated pharmaceutical environments — replacement of the entire data acquisition system is often not operationally or economically viable within short maintenance windows.

DriveKNMS maintains a dedicated inventory of refurbished, tested, and certified WebDAQ/100 components sourced from decommissioned units, authorized surplus channels, and controlled disassembly programs. Our inventory includes UI assemblies (including the 315222G01 EPI 300MM UI ASSY), CPU boards, analog input modules, and power supply assemblies. All units are catalogued by hardware revision and firmware version to ensure compatibility verification prior to shipment. Customers are encouraged to submit their full BOM or part number list for cross-reference and availability confirmation.

Quality Control for the WebDAQ/100 Range

WebDAQ/100 modules present specific testing challenges due to their integrated web server architecture, multi-channel analog front ends, and mixed-signal PCB designs. DriveKNMS applies the following test protocol to all WebDAQ/100 components prior to dispatch:

• Power-on functional test: All boards are powered under controlled bench conditions and verified for correct voltage rail output and boot sequence completion.
• Ethernet connectivity verification: CPU boards are connected to an isolated test network; web interface accessibility and data logging function are confirmed via browser-based access.
• Analog input calibration check: Input modules are tested against NIST-traceable reference sources across the full thermocouple and RTD input range; accuracy is verified against OEM specification sheets.
• UI assembly display and keypad test: All front-panel assemblies including the 315222G01 EPI 300MM UI ASSY are tested for display pixel integrity, keypad response, and backlight function.
• Thermal soak: Boards are subjected to a minimum 4-hour thermal soak at operating temperature to screen for latent solder joint failures and capacitor degradation common in aged industrial electronics.
• Visual and mechanical inspection: PCBs are inspected under magnification for corrosion, damaged traces, and component substitution inconsistent with OEM build standards.

For sourcing inquiries, BOM cross-reference, or availability confirmation on WebDAQ/100 components:

• Email: [email protected]
• WhatsApp: +86 18359293191
• Web: driveknms.com