The NI cDAQ-9191 is a 1-slot NI Compact DAQ 802.11 Wi-Fi chassis that is combined with NI C Series measurement devices for small distributed sensor measurements. For more information on the NI cDAQ-9191, refer to NI cDAQ-9191 Manuals and NI 9215 Manuals at ni.com/products.
The NI cDAQ-9191 Data Display for iOS lets you visualize and save data from an NI cDAQ-9191 chassis on your iPad, iPhone, or iPod Touch with iOS 5.0 or later.
|Note The NI cDAQ-9191 requires a firmware upgrade to support the NI cDAQ-9191 Data Display application. Go to NI cDAQ-9191 Firmware Upgrade for Mobile Device Support to download the firmware update.|
Configure the NI cDAQ-9191 chassis by completing the following steps:
|Note A computer running Windows or Mac OS X with Microsoft Silverlight is required to complete the setup process.|
NI cDAQ-9191 Data Display is designed to run on any iPad, iPhone, or iPod Touch with iOS 5.0 or later. Download the NI cDAQ-9191 Data Display mobile application by completing the following:
|Device Type||Download Link|
With NI cDAQ-9191 Data Display you can perform the following tasks:
|Note NI highly recommends connecting to your preferred wireless network while transmitting data with the NI cDAQ-9191 Data Display mobile application.|
After starting NI cDAQ-9191 Data Display, you are prompted to select a device. You may select a real device or simulated device. Real devices on the local subnet are automatically added to the list as they are discovered. The following options are available for choosing the appropriate device:
|Note When the application relaunches, it automatically connects to the most recently used device. If the most recently used device is not present, the application may prompt you to choose a device again.|
After the device is selected, you can configure the following acquisition settings:
After the device is configured, you can acquire data in one of the following modes:
After data is acquired, you can view the data on the graph. The graph displays the most recently acquired data. You can zoom in by double tapping the graph. You can zoom out by single tapping the graph with two fingers. You can also zoom in and out by using pinch gestures. Swipe left, right, up, and down to pan the graph.
When acquiring data from multiple channels, you can temporarily hide a plot by tapping the corresponding plot legend. Tapping the plot legend again will show the plot.
To view a given plot value on the graph, tap and hold a plot to display the current X and Y value. Move your finger along the graph to update the current values.
After data is acquired, you can share the data using email by completing the following steps:
After upgrading the firmware on your NI cDAQ-9191 you can also build custom applications that interact with an NI cDAQ-9191 through a Web API.
Please use the NI cDAQ-9191 Mobile Device Feedback and Support Discussion Thread to post any questions, comments, bug reports, or other relevant information.
Licensing information for the NI cDAQ-9191 Data Display is available through the NI cDAQ-9191 Data Display for iOS Application Notices page.
For patents covering the National Instruments products/technology, refer to the National Instruments Patent Notice at ni.com/patents.