ACQUISITIONLOGIC AL81G Module ⚙️
The ACQUISITIONLOGIC AL81G Module is a high-performance industrial I/O module designed for data acquisition, monitoring, and control applications in critical process environments. Engineered for reliability and precision, the AL81G enables seamless integration with programmable logic controllers (PLCs), distributed control systems (DCS), and industrial automation networks. It is widely utilized in sectors such as manufacturing, energy, water treatment, and process automation, where accuracy, speed, and robust communication are essential.
This module is built to handle high-density signal processing, offering reliable acquisition of analog and digital data streams while maintaining minimal latency. Its rugged design allows operation in harsh industrial conditions, including extreme temperatures, high vibration, and dusty environments. With its compact footprint and modular design, the AL81G provides a scalable solution for expanding industrial monitoring and control systems.
📊 Technical Data / Datasheet
| Specification | Description |
|---|---|
| Model | AL81G |
| Manufacturer | ACQUISITIONLOGIC |
| Type | I/O / Data Acquisition Module |
| Input Channels | 16 analog inputs or digital channels (model-specific) |
| Output Channels | 8 analog/digital outputs |
| Analog Input Range | ±10 V or 4–20 mA selectable |
| Resolution | 16-bit for analog channels |
| Sampling Rate | Up to 1 kHz per channel |
| Communication Interface | Modbus TCP/IP, Ethernet, optional serial interface |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% – 95%, non-condensing |
| Power Supply | 24 VDC nominal |
| Power Consumption | < 5 W typical |
| Mounting | DIN rail or panel mount |
| Dimensions (W x H x D) | 110 × 90 × 35 mm |
| Weight | Approx. 0.35 kg |
| Certifications | CE, UL, RoHS compliant |
⚙️ Key Features and Benefits
- High-Precision Data Acquisition: 16-bit resolution ensures accurate analog signal measurement.
- Fast Sampling Rate: Supports high-speed acquisition, suitable for dynamic process monitoring.
- Flexible I/O Configuration: Inputs and outputs can be configured for analog or digital operation.
- Industrial-Grade Design: Tolerates wide temperature ranges, vibration, and dust for rugged environments.
- Reliable Communication: Ethernet and Modbus TCP/IP protocols enable seamless integration into modern automation networks.
- Modular and Scalable: Can be combined with multiple AL81G units to expand system capability.
- Isolation and Safety: Ensures electrical isolation between channels and system power for device and operator safety.
- Diagnostics and Monitoring: Built-in status LEDs and diagnostic indicators simplify maintenance and troubleshooting.
🧪 Typical Applications
- Process monitoring and control in manufacturing plants
- Energy management and smart grid monitoring
- Water and wastewater treatment automation
- Industrial automation systems requiring high-speed analog/digital acquisition
- Environmental monitoring for critical infrastructure
- Research and laboratory data acquisition systems
The AL81G module ensures high-fidelity signal acquisition, making it ideal for applications where process accuracy and timely response are crucial. Its reliability and versatility make it a preferred choice in both large-scale industrial plants and specialized automation setups.
🔧 Installation and Maintenance
- Installation:
- Mount the module on a standard DIN rail or secure it within a control panel.
- Ensure proper power and grounding connections.
- Connect signal inputs and outputs according to the wiring diagram.
- Configuration:
- Assign channel types and ranges using configuration software or via PLC interface.
- Set network parameters for Ethernet or Modbus communication.
- Maintenance:
- Inspect connections periodically for corrosion or loose terminals.
- Clean module exterior with a dry cloth; avoid solvents or water.
- Monitor diagnostic LEDs to detect potential faults early.
- Update firmware as recommended by ACQUISITIONLOGIC to maintain performance.
Regular maintenance ensures reliable operation and extends the lifespan of the module.
🌐 Industrial Insight
Industrial automation is rapidly moving towards digitally integrated monitoring and control systems, where modules like the AL81G play a critical role in bridging field devices with intelligent control platforms. In 2025, industries are emphasizing real-time data acquisition, predictive maintenance, and edge computing to optimize production efficiency and reduce downtime. Modules with high-speed, high-accuracy data capture capabilities are essential for implementing smart factories and Industrial Internet of Things (IIoT) solutions. The AL81G’s combination of ruggedness, precision, and network integration aligns perfectly with these trends, making it a key component in modern industrial architectures.
🔗 Learn More
👉 https://www.dcsplcsystem.com/
👉 https://www.stardcsplc.com/
📦 Recommended Similar Products
| Model | Description | Manufacturer | Link |
|---|---|---|---|
| AL81H | High-Speed Analog/Digital Acquisition Module | ACQUISITIONLOGIC | https://www.dcsplcsystem.com/ |
| AL90G | Multi-channel Data Acquisition I/O Module | ACQUISITIONLOGIC | https://www.stardcsplc.com/ |
| AL75F | Field I/O Expansion Module | ACQUISITIONLOGIC | https://www.dcsplcsystem.com/ |
| AL82E | Ethernet-enabled Data Acquisition Module | ACQUISITIONLOGIC | https://www.stardcsplc.com/ |
| AL83M | Modular Analog Input/Output Unit | ACQUISITIONLOGIC | https://www.dcsplcsystem.com/ |
Conclusion:
The ACQUISITIONLOGIC AL81G Module delivers high-performance, flexible, and reliable data acquisition capabilities for modern industrial automation. Its robust design, precision signal processing, and network integration make it an ideal choice for industries seeking to implement smart, connected, and efficient control systems, ensuring both operational accuracy and long-term reliability.

