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Vibrating Wire Strain Gauges for Bridge, Tunnel & Dam Monitoring: Complete Selection Guide
The global construction industry is experiencing a massive surge in large-scale infrastr...
Modular Data Acquisition System That Grows with Your Project
modular data acquisition system
Every site has its own mix of sensors, and a one-size-fits-all logger often leaves you paying for unused channels or scrambling for extra ones. Kingmach's modular data acquisition system hands control back to the engineer. Start with a basic CPU module, snap in the exact analog or vibrating wire input cards you need today, and add more later as the project expands. Common applications range from long-term dam and tunnel monitoring to short-term geotechnical investigations where the sensor layout isn't set in stone. The hardware covers a broad spectrum of industrial sensor types, and the communication protocols are chosen to fit real field conditions, not some lab ideal. Whether you're integrating into an existing SCADA network or building a standalone monitoring site, the system's flexibility keeps your options open without locking you into a fixed channel count.
Technical Detail
Configured around process stability, mold life, and long-term uptime.
Modular architecture means you only pay for channels you actually use. The Kingmach system uses a main controller that communicates with multiple distributed I/O substations over RS-485. Each substation can be configured with 4 or 8 channels, and polling across hundreds of channels is handled efficiently. Input modules cover vibrating wire frequency signals, 4-20mA current loops, 0-5V voltages, and thermistors—exactly what you need for piezometers, strain gauges, displacement transducers, and temperature strings. Sampling intervals are adjustable from one second to several hours, with triggering modes that include time-based, threshold exceedance, and external signals. For data storage, a local SD card and solid-state backup run in parallel so that a power loss doesn't result in data loss. Communication options go beyond the standard RS-485: an optional TCP/IP module connects the system directly to a LAN or the internet, making it simple to send data to Kingmach's KM Center platform, a third-party SCADA, or a custom server via Modbus RTU or TCP. Power input accepts 9-36V DC, which suits solar plus battery setups, and consumption stays under a few watts. Kingmach supplies factory calibration certificates and can customize enclosures and terminal wiring for different project scales, cutting down field installation effort. Technical support helps with module selection, and starting small with later expansion only requires adding modules and minor configuration changes.
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Products
Production modules
Wireless Data Logger (low power consumption design) JMWX-5RTU
Wireless Data Logger (low power consumption design) JMWX-5RTU
View DetailsFAQ
Common technical questions
What are the practical advantages of a modular data acquisition system over fixed-channel loggers?
Flexibility and cost control. You buy a basic unit and a few channels, then expand when the project grows. If a module fails, you swap just that module. It also makes it easier to handle a mix of sensor types without complex rewiring.
We have vibrating wire piezometers and 4-20mA pressure sensors on the same job. Can one system handle both?
Yes. You can mix analog input modules for 4-20mA signals and vibrating wire modules for frequency signals on the same RS-485 bus. The main controller polls them all, so your data stream includes every sensor.
How do we view data remotely from the office?
The RS-485 port can connect to a cellular DTU or field PC. With the TCP/IP option, the system connects directly to your network. Data is served via Modbus RTU or TCP, which works with most monitoring software and SCADA platforms for dashboards and alerts.
Is the system reliable for long-term outdoor monitoring with solar power?
It uses industrial-grade components rated for -20°C to 60°C and draws under 5W typically, which a small solar panel and battery can handle. Dual data storage means you won't lose readings during an outage, and the metal housing has protection against surges and lightning.
How do we size the system for our sensor list?
Make a list of all sensor types and quantities, plus a few spare channels if future expansion is possible. Send it to us—our technical team will propose a module mix and wiring plan. The main controller has multiple substation ports, so you can start with part of the capacity and add later without replacing the core.
Need a solution for your project?
Share your product type, target capacity, and application requirements. Our team can review the details and recommend a practical next step.