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Thermo Scientific Dionex AXP User Manual

Thermo Scientific Dionex AXP
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Dionex
AXP/AXP-MS Metering Pump
Operator's Manual
Document No. 031897
Revision 05
December 2011
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Thermo Scientific Dionex AXP Specifications

General IconGeneral
Flow Rate Range0.001 to 10.0 mL/min
Flow Rate Precision<0.1% RSD
Pressure Range0 to 5000 psi
Power Supply100-240 V, 50/60 Hz
Gradient Composition Accuracy±0.5%

Summary

Safety Regulations

CE Mark Compliance

Details compliance with safety and EMC standards for the pump.

Introduction

Pump Description

Provides an overview of the pump's design, features, and wetted materials.

Pump Specifications

Lists technical specifications like flow rates, pressure, dimensions, and power.

Installation

Unpacking and Inspection

Instructions for inspecting the pump upon arrival and checking contents.

Location and Environment

Recommended environmental conditions and placement for the pump.

Electrical Connections

Guidance on connecting the pump to a power source safely.

Solvent Preparation

Discusses preventing pumping problems by preparing solvents, including outgassing, cavitation, filtration, and compatibility.

Instrument Installation

Covers mobile phase reservoirs, self-flush solution, and tubing connections for instrument setup.

Storage and Shipping Preparation

Details procedures for flushing the pump with isopropanol and packaging for transport.

Operation

Front Panel Controls

Explains the digital display, keypad functions, and status LEDs on the pump's front panel.

Rear Panel Remote Input

Details the RS-232C port for controlling the pump remotely via a PC.

Theory of Operation

Mechanical Operation

Explains the liquid system flow path, pump cycle, and pulse damping mechanism.

Electronic Control

Covers microprocessor control, DC power supply, and motor stall detection.

Maintenance

Filter Replacement

Instructions for checking and replacing inlet filters to prevent cavitation and flow loss.

Pump Head Maintenance

Covers removing the pump head, replacing piston seals, and cleaning the pump head assembly.

Check Valve Maintenance

Procedures for cleaning or replacing check valves to resolve flow issues caused by particles.

Lubrication Requirements

States that the pump has no lubrication requirements as bearings are permanently lubricated.

Fuse Replacement

Details the location and replacement procedure for fuses protecting the pump's power and DC supplies.

Battery Replacement

Instructions for replacing the battery that powers the pump configuration memory.

Troubleshooting Guide

Replacement Parts List

PEEK Head Parts

Lists part numbers for PEEK/Bioclean check valve kits and tubing.

Seal Parts

Lists part number for the piston seal kit.

General Parts

Lists various general replacement parts including loops, filters, cables, and fuses.

Interfacing Information

Serial Communications Port

Details the RS-232C port, pinout, and PC connection for serial communication.

Terminal Board Connectors

Describes terminal board connectors for remote control via logic levels, voltage, or frequency.

Fault Output Signals

Explains output signals for pressure faults and motor stalls on the 6-pin connector.

Input Pinout Information

Details the pinout for the 10-pin terminal board connector for various inputs.

Run, Stop, and Enable Inputs

Explains how PUMP-RUN, PUMP-STOP, and ENABLE IN inputs operate using logic levels.

Run and Stop Input Modes

Describes dual-signal pulse and single-signal level modes for controlling pump run and stop states.

Enable Input Function

Explains how the ENABLE IN input disables front panel control and enables rear panel control.

Voltage and Frequency Input Modes

Details how to select remote operation modes controlled by voltage or frequency inputs.

Remote Voltage Control

Describes remote flow control using a 0-10 VDC input signal and preventing ground loop issues.

Remote Frequency Control

Details remote flow control using a 0-10,000 Hz input frequency signal.

Valve Plumbing and Port Assignments

EZ Grip Fitting Guide

Warranty Information

Customer Support

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