cDAQ-9181 1‑Slot, Ethernet CompactDAQ Chassis (782052-01)

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.

specification

Analog Input

Input FIFO size : 127 samples
Maximum sample rate : Determined by the C Series module
Timing accuracy : 50 ppm of sample rate
Timing resolution : 12.5 ns
Number of channels supported : 1 slot

Analog Output

Hardware-timed task
- Onboard regeneration : 16
Maximum update rate
- Onboard regeneration : 1.6 MS/s (multi-channel, aggregate)
- Timing accuracy : 50 ppm of sample rate
- Timing resolution : 12.5 ns

Digital Waveform Characteristics

Waveform acquisition (DI) FIFO
- Parallel modules : 511 samples
- Serial modules : 63 samples
Waveform generation (DO) FIFO
- Parallel modules : 2,047 samples per slot
- Serial modules : 63 samples per slot

General-Purpose Counters/Timers

Number of counters/ timers 4
Resolution 32 bits

Digital Triggers

Analog input function : Start Trigger, Reference Trigger,Pause Trigger,Sample Clock,Sample Clock Timebase
Analog output function : Start Trigger, Pause Trigger,Sample Clock,Sample Clock Timebase

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