cDAQ-9181

The cDAQ‑9181 is a CompactDAQ Ethernet chassis designed for small, distributed sensor measurement systems. The chassis controls the timing, synchronization, and data transfer between C Series I/O modules and an external host. You can use this chassis with a combination of C Series I/O modules to create a mix of analog I/O, digital I/O, and counter/timer measurements. The chassis also has four 32‑bit general‑purpose counters/timers. You can access these counters through an installed, hardware‑timed digital C Series module for applications that involve quadrature encoders, PWM, event counting, pulse train generation, and period or frequency measurement.

Part Number(s): 782052-01 | 781496-01

Applications and Use Cases of cDAQ-9181

The cDAQ-9181 Ethernet CompactDAQ Chassis is a 1-slot Ethernet CompactDAQ chassis designed for small, distributed sensor measurement and control systems. It communicates with an external host over Ethernet and supports a variety of C Series I/O modules for analog, digital, and counter/timer applications. It also includes four 32-bit general-purpose counters/timers, making it suitable for compact yet flexible data acquisition and monitoring tasks.

1. Distributed Data Acquisition Systems
cDAQ-9181 is ideal for remote or distributed measurement points where sensors need to be installed away from the main PC or control room. Ethernet connectivity allows flexible deployment across factory floors, labs, and field installations.

2. Sensor Measurement and Monitoring
When paired with compatible C Series modules, it can be used to acquire data from temperature, voltage, current, strain, vibration, pressure, and other industrial or scientific sensors.

3. Industrial Monitoring and Condition Monitoring
The chassis is suitable for machine condition monitoring, equipment diagnostics, and process observation in industrial environments where a compact and network-based DAQ solution is preferred.

4. Remote Test and Measurement Systems
Because it uses Ethernet instead of USB, cDAQ-9181 is well suited for applications where the data acquisition hardware must be installed remotely while the host PC remains in a separate control room or office.

5. Counter/Timer and Encoder Applications
With its built-in counters/timers, cDAQ-9181 can support applications such as quadrature encoder measurement, PWM, event counting, pulse train generation, and frequency/period measurement when used with appropriate hardware-timed digital modules.

6. Laboratory and Engineering Validation
It is widely used in engineering labs for compact bench-top testing, prototype validation, and system verification where only one I/O module is needed.

7. Small Automation and Embedded Monitoring Projects
cDAQ-9181 is a practical choice for compact automation, embedded measurement, and low-channel-count monitoring systems that require network connectivity and modular flexibility.