QL-DA18K

The QuakeLogic QL-e018 DA18K is a robust data acquisition and telemetry system for environmental and meteo-hydrological monitoring. It features 24-bit analog inputs, Windows CE, Modbus RTU, SDI-12, RS-232, RS-485, Ethernet, USB, alarm management, low power consumption, solar charging support, and reliable operation from -40°C to +80°C.

OVERVIEW

Description

Data Acquisition and Telemetry System

The QuakeLogic QL-DA18K is a powerful data acquisition and telemetry system designed for environmental and meteo-hydrological monitoring applications.

It provides high flexibility, low power consumption, and high calculation capacity. Therefore, it is suitable for remote monitoring stations that require accurate data logging, reliable communication, and long-term field operation.

In addition, the system supports a wide range of analog and digital interfaces. As a result, sensors, analyzers, probes, communication devices, and control systems can be connected easily.

Environmental and Meteo-Hydrological Monitoring

The QL-DA18K is designed for demanding environmental monitoring networks. It can operate in harsh field conditions from -40°C to +80°C.

Typical applications include:

  • Environmental monitoring
  • Meteo-hydrological monitoring
  • Meteorological stations
  • Hydrological monitoring
  • Geotechnical and geophysical monitoring
  • Remote data logging
  • Solar-powered monitoring stations
  • Alarm and control systems
  • Sensor network integration

Moreover, the system is suitable for dry, wet, hot, cold, and remote environments.

Flexible Sensor and Communication Interfaces

The QL-DA18K includes multiple serial, Ethernet, USB, SDI-12, RS-232, and RS-485 interfaces. Therefore, it can connect with many sensor types and communication systems.

Supported interfaces and protocols include:

  • USB Host
  • USB Slave
  • Ethernet 10/100 Base-T
  • SDI-12
  • RS-232
  • RS-485
  • MODBUS
  • MODBUS TCP/IP
  • FTP
  • HTTP
  • Store & Forward
  • Serial communication

In addition, the system can work with radio modems, GPRS, UMTS, LTE, routers, satellite equipment, and wired communication lines.

High-Accuracy Data Acquisition

The QL-DA18K includes high-resolution analog inputs with 24-bit ADC technology. As a result, it can support accurate sensor measurement and precise data acquisition.

Key acquisition features include:

  • Up to 10 differential analog inputs
  • Up to 20 single-ended analog inputs
  • 24-bit analog input resolution
  • Pt100 temperature input support
  • Digital inputs for frequency, counter, and digital state
  • Digital outputs for external control
  • Analog outputs
  • Data validation
  • Corrective formulas
  • Calculation algorithms
  • Statistical data processing

The extended version can support up to 14 differential or 28 single-ended analog inputs.

Data Processing, Storage, and Alarms

The QL-DA18K can process instant measurements and stored data. Also, it can calculate statistical parameters over configured time periods.

Data functions include:

  • Instantaneous value
  • Arithmetic average
  • Trigonometric average
  • Vector average
  • Cumulate
  • Integrate
  • Period
  • Integral
  • Alarm value storage
  • Circular or linear memory management
  • Dynamic data format optimization

The system also supports alarm management. For this reason, minimum and maximum thresholds can be defined for each measurement.

Configuration, Diagnostics, and Field Operation

The QL-DA18K can be configured locally or remotely. It supports configuration by keyboard, touchscreen display, USB terminal, communication system, or web client mode.

Configuration and diagnostic features include:

  • 3.5-inch color touchscreen display
  • Windows CE 6.0 operating system
  • DAK configuration wizard software
  • Remote configuration
  • Self-diagnostics
  • Acquisition channel verification
  • Memory capacity verification
  • Communication performance verification
  • Power supply blackout verification
  • Battery status monitoring
  • Watchdog
  • PCB temperature measurement

Overall, the QuakeLogic QL-DA18K Data Acquisition and Telemetry System provides a robust and flexible solution for environmental monitoring, meteo-hydrological stations, sensor networks, telemetry systems, and remote field data acquisition.

For this reason, it is a strong choice for applications that require reliable data logging, multiple sensor inputs, advanced communication, alarm handling, and long-term stability in harsh environmental conditions.

General Features

  • Product Name: QL-e018 DA18K
  • Brand: QuakeLogic
  • System Type: Data Acquisition and Telemetry System
  • Application Area: Environmental and meteo-hydrological monitoring
  • Operating System: Windows CE 6.0
  • Display: 3.5-inch 320 × 240 px color touchscreen
  • Configuration Software: DAK configuration wizard software
  • Configuration Modes: Local, USB terminal, remote communication, or web client mode
  • Main Function: Data acquisition, processing, storage, communication, and telemetry
  • Power Design: Low power consumption with automatic standby
  • Communication Support: Serial, Ethernet, modem, radio, satellite, and wired connections
  • Alarm Management: Minimum and maximum threshold alarms
  • Self-Diagnostics: Acquisition channel, memory, communication, and power supply checks
  • Environmental Operation: -40°C to +80°C
  • Maximum Humidity: 99% without condensation

Technical Specifications

  • Processor: CPU ARM 9, 32-bit RISC, 240 MHz
  • Memory: SDRAM 64 MB, Flash 512 MB
  • Additional Memory: Optional 512 MB or higher SD mass storage
  • USB Interfaces: 1 USB Host and 1 USB Slave
  • Ethernet: 1 Ethernet 10/100 Base-T
  • SDI-12 Interfaces: 2
  • RS-232 Interfaces: 3
  • RS-485 Interfaces: Multiple RS-485 ports
  • Analog Inputs: Up to 10 differential or 20 single-ended
  • Analog Input Type: 24-bit ADC
  • Differential Input Range: -2.5 V to +2.5 V
  • Single-Ended Input Range: 0 V to 2.5 V
  • Analog Resolution: 0.3 μV
  • Pt100 Inputs: 4 standard Pt100 inputs
  • Digital Inputs: 8 optoisolated configurable inputs and 4 optoisolated digital state inputs
  • Outputs: 8 digital open drain, 4 digital open collector, and 2 analog outputs
  • Extended Version: Up to 14 differential or 28 single-ended analog inputs
  • Ordering Code, Standard Version: PSM-e018a-DA18K
  • Ordering Code, Extended Version: PSM-e018b-DA18KE

Power, Communication, and Data Functions

  • Battery Power Supply Voltage: 10.5–13.8 V
  • Typical Power Consumption: <10 mA in suspend/resume mode
  • Full Duty Cycle Consumption: <20 mA
  • Photovoltaic Panel Support: Up to 100 W
  • Charging Regulator: Integrated solar charging regulator
  • Battery Charger: Internal three-phase battery charger
  • Serial Protocols: MODBUS, SDI-12, Store & Forward
  • Ethernet Protocols: MODBUS, FTP, HTTP
  • Other Communication: SMS, e-mail, fax, TCP/IP, SMTP, MODBUS TCP/IP
  • Data Storage: Instantaneous, statistical, and alarm values
  • Memory Management: Linear or circular memory mode
  • Data Processing: Validation, correction formulas, calculation algorithms, and forecast models
  • Statistical Processing: Average, cumulate, integrate, period, and vector calculations
  • Control Functions: Battery monitor, process watchdog, charge current measurement, power supply current measurement, PCB temperature measurement
  • Protections: EMC filter protection and optoisolated digital input protection

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