PXI-6602 National Instruments Controller module

Description

PXI-6602 National Instruments Controller module

Product Dimensions：

Product Description

Product Overview

The PXI-6602 features eight 32-bit counter/timers and up to 32 lines of 5V TTL/CMOS-compatible digital I/O. It is built for applications that require high-resolution timing, frequency measurement, or synchronized position sensing.

Product Parameters

The PXI-6602 is optimized for speed and high-count capacity. Below are the key technical parameters:

Product Advantages

• High-Resolution Precision: With 32-bit counters, the module can count up to $2^{32}-1$ without overflowing, which is essential for long-duration measurements or high-frequency signals.

• Advanced Timing Engine: Built on the NI-TIO (Timing and I/O) ASIC, it allows for sophisticated operations like buffered pulse-train generation and two-signal edge separation.

• DMA Transfer Support: It supports Direct Memory Access, which allows high-speed data transfers to the host PC without taxing the CPU, ensuring system stability during intense tasks.

• Seamless Synchronization: As a PXI module, it can use the PXI backplane triggers and clocks to synchronize with other DAQ or instrument modules with nanosecond precision.

Key Considerations

• Signal Integrity: Due to the 80 MHz maximum frequency, it is critical to use high-quality, shielded cables (such as the SH68-68-D1) to prevent crosstalk and signal attenuation.

• Power Loading: When using the +5V power pin on the connector to power external sensors, ensure the current draw does not exceed the module’s specified limits (typically 1A total).

• Driver Software: Requires the NI-DAQmx driver. Ensure the version of NI-DAQmx installed supports your specific PXI controller’s operating system.

• Input Voltage: Ensure input signals do not exceed the 5V TTL limits; applying higher voltages (e.g., 12V or 24V industrial signals) will damage the module without external signal conditioning.

Product Applications

The PXI-6602 is a versatile tool used in several specialized fields:

1. Motion Control Interface: Reading quadrature encoders to determine position, velocity, and acceleration of motors.

2. Frequency & Period Measurement: High-accuracy monitoring of clocks, oscillators, or flow sensors.

3. Pulse-Width Modulation (PWM): Generating precise duty-cycle signals for controlling fans, heaters, or power converters.

4. Event Counting: High-speed counting of physical events (e.g., parts on a conveyor belt or photon detection).

5. Time-of-Flight (ToF): Measuring the interval between a “start” and “stop” trigger in physics or laser experiments.

Shipping Port: Xiamen, China

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