Software
IndustriesOther
ManufacturerDataApex
Importance of the topic
Modern liquid chromatography workflows demand precise, automated control of pump flow rates and solvent gradients to ensure reproducible separations and high throughput. The LC UNI Control Module presented here enables seamless integration of a broad range of SSI pumps into the DataApex Clarity software environment, simplifying method development, execution and monitoring across diverse LC systems.
Objectives and study overview
- Describe the configuration and capabilities of the DataApex LC UNI Control Module for SSI Series I, II, III, 150, 1500, Prep 100 and Q-Grad pumps.
- Outline hardware requirements, installation steps, and software setup procedures within Clarity.
- Explain method setup, real-time monitoring, manual override and troubleshooting approaches.
- Demonstrate profile customization for non-standard or emerging pump models.
Methodology and instrumentation
The control module communicates via RS-232 (COM port) and DB9F-RJ11 cables (one per solvent channel). Key communication parameters are 9600 baud, 8 data bits, no parity, 1 stop bit. Supported instrumentation includes:
- SSI Series I, II, III, 150, 1500, Prep 100 and Q-Grad pumps (including OEM variants such as Alltech/Grace and ChromTech models).
- PC running Microsoft Windows with DataApex Clarity software (LC Control license required).
- Serial COM ports or USB-to-COM adapters (e.g. MultiCOM MC01) and appropriate cables (SK05).
Main results and discussion
The LC UNI Control Module delivers:
- Dynamic gradient programming via a spreadsheet-style table and graphical preview with solvent ratios and flow rate vs. time.
- Idle and standby flow states with programmable hold and step transitions.
- Real-time device monitoring showing individual solvent flows, total flow, pressure and elapsed analysis time.
- On-the-fly gradient modification and manual flow override during runs, with audit trail logging.
- Comprehensive error detection, automated response sequences and communication logging for troubleshooting.
Benefits and practical applications
- Unified control of multiple SSI pump models through a single driver interface.
- Rapid method transfer and reproducibility across laboratories and instrument fleets.
- Enhanced safety via programmable pressure limits and automated pump shutdown on fault conditions.
- Flexible gradient management and manual adjustments without interrupting data acquisition.
- Audit-ready communication logs and user-defined error handling for compliance environments.
Future trends and potential applications
Advancements may include cloud-based remote monitoring, AI-driven gradient optimization, expanded multivendor device support, and tighter integration with laboratory information management systems. Emerging pump technologies (e.g. high-pressure microfluidic devices) can be incorporated by developing custom UNI profiles, extending the module’s versatility.
Conclusion
The DataApex LC UNI Control Module offers a robust, flexible solution for automating SSI pump operation within the Clarity chromatography platform. Its profile-based architecture simplifies configuration, supports a wide range of pump heads and models, and delivers real-time control and monitoring essential for modern LC workflows.
Instrumentation used
- DataApex Clarity Control Module (LC Control license)
- SSI Series I, II, III, 150, 1500, Prep 100 and Q-Grad pumps (and OEM variants)
- Serial communication hardware: COM ports or USB-to-COM adapters and DB9F-RJ11 cables
References
No external literature references were provided in the source document.
Content was automatically generated from an orignal PDF document using AI and may contain inaccuracies.
