Shimadzu CBM-20 Alite Networked System Controller (Refurbished)

Overview

The Shimadzu CBM-20 Alite Networked System Controller is a dedicated, rack-mountable system controller engineered to serve as the central communication and coordination hub for Shimadzu high-performance liquid chromatography (HPLC) systems. Built on Shimadzu’s proprietary CBM (Chromatographic Bus Manager) architecture, the CBM-20 Alite enables seamless integration of up to eight Shimadzu analytical modules—including LC pumps (e.g., LC-10AD, LC-20AT), detectors (SPD-10A, SPD-M10A, RF-10AXL), autosamplers (SIL-10A, SIL-20A), column ovens (CTO-10AS), and fraction collectors—via RS-232C and dedicated Shimadzu bus interfaces. Unlike general-purpose PCs, the CBM-20 Alite operates a real-time, deterministic control firmware optimized for precise timing synchronization, gradient delay compensation, and hardware-level event triggering—critical for method reproducibility in regulated environments. It supports native Shimadzu Class VP software (v5.x–v7.x) and provides full backward compatibility with legacy LC-VP series instruments deployed in academic, pharmaceutical QC, and contract research laboratories worldwide.

Key Features

• Dedicated embedded controller with fan-cooled, industrial-grade chassis designed for continuous 24/7 operation in laboratory environments
• Integrated CBM bus interface supporting up to 8 Shimadzu LC modules with automatic device enumeration and topology mapping
• Real-time clock with battery-backed memory for audit-trail-capable run logging (date/time stamping of acquisition start/stop, method load, and error events)
• RS-232C serial ports for auxiliary device control (e.g., external fraction collectors or pH meters) and service diagnostics
• Front-panel LCD display and membrane keypad for standalone system status monitoring and manual module initialization without PC dependency
• Support for Shimadzu’s dual-mode communication protocol: direct hardware control (low-latency) and networked remote command execution via Ethernet (optional CBM-20E variant)

Sample Compatibility & Compliance

The CBM-20 Alite is not a standalone analytical instrument but a system-level controller; therefore, its operational compliance is intrinsically tied to the connected Shimadzu HPLC modules and associated software. When deployed with Class VP software under validated configurations, the controller supports data integrity requirements aligned with FDA 21 CFR Part 11 (electronic signatures, audit trails, user access levels) when paired with appropriate IT infrastructure controls. It facilitates adherence to ISO/IEC 17025 (for testing laboratories) and USP chromatographic system suitability protocols through consistent timing control and hardware-level parameter enforcement. The unit itself complies with IEC 61010-1 for electrical safety and EMC Directive 2014/30/EU (CE marking applied during original manufacturing in Japan). As a refurbished unit, it undergoes functional verification per Shimadzu’s field service checklist—including bus signal integrity tests, firmware version validation (v2.3x recommended minimum), and power-on self-test (POST) sequence confirmation.

Software & Data Management

The CBM-20 Alite operates exclusively with Shimadzu’s Class VP chromatography data system (CDS) software suite. It does not support third-party CDS platforms. Data acquisition, processing, and reporting are handled by Class VP, while the controller manages low-level hardware orchestration—ensuring that injection triggers, gradient profiles, detector sampling rates, and oven temperature ramps execute with sub-second temporal fidelity. All raw chromatogram data (.chd files) and method files (.mtd) are stored on the host PC; the CBM-20 Alite retains only transient runtime parameters and minimal event logs (typically <1 MB total). Audit trail records—including operator ID (if logged into Class VP), method modification timestamps, and hardware error codes—are generated and archived by Class VP, not the controller itself. For GLP/GMP environments, users must implement supplemental IT controls (e.g., domain authentication, encrypted network segmentation, periodic backup verification) to meet regulatory expectations.

Applications

• Method transfer and legacy system support in pharmaceutical QC labs maintaining Shimadzu LC-10/20/VP fleets
• Academic teaching laboratories requiring robust, deterministic HPLC control without PC-based software complexity
• Contract analytical service providers performing stability-indicating assays where hardware-level timing consistency reduces inter-run variability
• Environmental testing facilities integrating Shimadzu detectors with custom sample introduction systems via RS-232C scripting
• Reference standard calibration workflows requiring traceable system suitability checks across multiple instrument installations

FAQ

Is the CBM-20 Alite compatible with Shimadzu Nexera or LC-30 series instruments?

No. The CBM-20 Alite is hardware- and firmware-locked to the legacy CBM bus architecture used in LC-VP, Prominence, and earlier LC-10/20 platforms. It does not support the newer Ethernet-based CBM-20A or CBM-40 controllers required for Nexera systems.
Does this refurbished unit include Class VP software licensing?

No. Class VP software licenses are sold separately and are non-transferable between users per Shimadzu’s End User License Agreement. A valid license and compatible Windows OS (XP–10, 32-bit) are required for full functionality.
Can the CBM-20 Alite be integrated into a LIMS environment?

Indirectly—only via Class VP’s optional LIMS interface module (e.g., VP-LIMS Link), which requires additional configuration and validation. The controller itself has no native LIMS API or HL7 support.
What firmware version is installed, and can it be upgraded?

All refurbished units are verified to run firmware v2.32 or later—the final stable release supported by Shimadzu for this model. Firmware updates require Shimadzu’s proprietary CBM Utility software and are only recommended under technical supervision due to risk of bus initialization failure.