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NI FD-11637 Manual

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FD-11637
2025-05-27

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Summary of Contents for NI FD-11637

  • Page 1 FD-11637 2025-05-27...
  • Page 2 FD-11637 User Guide ........
  • Page 3 FD-11637 FD-11637 User Guide The FieldDAQ FD-11637 is an IP65/IP67-rated eight-channel strain/bridge input device that includes all the signal conditioning required to power and measure up to eight bridge-based sensors simultaneously. It can be networked and synchronized with IEEE 802.1AS devices.

  • Page 4: Driver Support

    17.6 Cables and Accessories The following table lists some cables and accessories available for your FieldDAQ device. For a complete list of FieldDAQ accessories and ordering information, refer to the pricing section of the FD-11637 product page at ni.com. ni.com...
  • Page 5 FD-11637 Table 2. FD-11637 Cables and Accessories Cable/Accessory Part Number IP67 Power Supply 147464-01 PS-16 Power Supply 781094-01 M125F-Pigtail Power Cable (1 m, 2 m, 3 m 786172-01/02/03 lengths) M125F-M125M Power Cable (0.3 m, 1 m, 3 m 786173-0R3/01/03 lengths)

  • Page 6: Safety Guidelines

    NI for repair. The FD-11637 is rated for use in DRY or WET LOCATIONS. Hazardous voltages may not be connected to the device. A hazardous voltage is a voltage greater than 42.4 V peak voltage or 60 V DC in DRY LOCATIONS, and 22.6 V peak or 35 V DC in WET LOCATIONS.

  • Page 7: Electromagnetic Compatibility Notices

    Remove the device from the package and inspect it for loose components or any other signs of damage. Notify NI if the device appears damaged in any way. Do not install a © National Instruments...

  • Page 8: Hardware Symbol Definitions

    At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.
  • Page 9 The last dialog box opens with the following options: ◦ Restart Later to install more NI software or documentation. ◦ Shut Down or Restart if you are ready to install your device. If you have problems installing your software, go to ni.com/support/daqmx.
  • Page 10 Power LED status. 8. To add the FieldDAQ to your software configuration, open NI MAX on your Windows host computer. Expand Devices and Interfaces » Network Devices. ◦ If the device is on your local subnet, the device automatically appears in the list of available devices.
  • Page 11 For additional troubleshooting resources for the FieldDAQ device, refer to in this guide and the Finding Troubleshooting Device Connectivity a Network DAQ Device in MAX topic in the Measurement & Automation Explorer Help for NI-DAQmx . © National Instruments...
  • Page 12 FieldDAQ device , right-clicking the bank of connectors in your FieldDAQ device, and selecting Test Panels. If the test panel displays an error message, refer to ni.com/support. Click Close to exit the test panel. Note When in use, the FieldDAQ device may become warm to the touch. This is normal.
  • Page 13 Recommended NI power supplies are listed in FD-11637 Basic Information. The FD-11637 has a maximum device power consumption of 15 W. Each FieldDAQ filters and regulates the supplied power for its tasks. When FieldDAQ devices are linked together through the power IN and power OUT connectors, the total current consumption of the chain equals the sum of every linked FieldDAQ device’s current consumption.

  • Page 14: Power Connectors

    Optional line for Black Aux1 powering non- FieldDAQ devices Chassis Ground. This terminal is Gray internally connected to the C terminal. * Wire color pertains to M125F power cables sold through NI. Other manufacturers' cable wire colors may vary. ni.com...

  • Page 15: Power Led

    DC resistance, the voltage at the power connector may be significantly lower than the specified voltage of the power source. Refer to Power Requirements in the FD-11637 Specifications for information about the power supply input range. Refer to Safety Voltages in the FD-11637 © National Instruments...
  • Page 16 Specifications for information about the maximum voltage from terminal to chassis ground. Signal Connectors and Measurements The following figures show strain/bridge input circuitry and block diagram of the FD-11637. Figure 8. FD-11637 Input Circuitry 10 V, 5 V, or 3 V Excitation EX– –...
  • Page 17 Measurements Hardware Data The FD-11637 features two banks, Bank 1 and Bank 2, each containing four channels. Each channel has an independent 24-bit ADC and an input amplifier that enables you to sample signals from all eight channels simultaneously. The FD-11637 is isolated from earth ground. The individual channels are isolated from each other.
  • Page 18 Blue sense Negative sensor excitation * Wire color pertains to SHM128M I/O cables sold through NI. Other manufacturers' cable wire colors may vary. Note M12 connectors must be mated to cables or have caps installed on them to meet IP65/IP67 requirements. Cover the unused connectors with the included plastic caps whenever water, dust, or dirt are present.
  • Page 19 • Full-Bridge Signals—You can connect a ground referenced or floating full-bridge signal to the FieldDAQ device. When connecting floating signals to the FieldDAQ device, NI recommends connecting the EX- signal (pin 8) to the earth ground or shield for better noise rejection. Remote sense connections are recommended;...
  • Page 20 • Half-Bridge Signals—You can connect a ground referenced or floating half-bridge signal to the FieldDAQ device. When connecting floating signals to the FieldDAQ device, NI recommends connecting the EX- signal (pin 8) to the earth ground or shield for better noise rejection. Remote sense connections are recommended;...
  • Page 21 NI recommends performing offset nulls of quarter- or half-bridge sensors after attaching any sensor to the FieldDAQ device. Use the DAQmx Perform Bridge Offset...
  • Page 22 FD-11637 Connecting TEDS Sensors You can connect TEDS (Transducer Electronic Data Sheets) sensors to the FieldDAQ device through the T+ and T- pins on each connector. Ensure that the TEDS data (T+) or the TEDS return (T-) signals are not connected to any of the bridge signals on the FieldDAQ device.
  • Page 23 FD-11637 pins due to the voltage drop across the resistance of the leads. If you do not use remote sensing of the actual bridge voltage, the measured value will be the ratio of the ±AI voltage to the ±EX voltage and will result in a gain error of: ◦...
  • Page 24 Use the DAQmx Perform Shunt Calibration VI/function or the DAQ Assistant to perform a shunt calibration, which sets the gain adjustment for a virtual channel. NI-DAQmx then uses this gain adjustment when scaling readings from the bridge. You must use the DAQmx Perform Bridge Offset Nulling Calibration VI/function...
  • Page 25 The FieldDAQ device goes into a current limited mode to protect the excitation supply from short circuits or load resistance values lower than those listed above. In this current limited mode, the Overcurrent status is set in NI-DAQmx and the Strain/Bridge LED lights red.
  • Page 26 0.4 times the sampled data rate before the roll-off of the transition band begins. Refer to the FD-11637 Specifications for details on the amount of variation in the passband gain and signal delay you can expect for different frequency ranges.

  • Page 27: Data Rates

    Data Rates You can use the 13.1072 MHz, 12.8 MHz, 12.288 MHz, and 10.24 MHz timebases to generate data rates. The FD-11637 supports data rates ( f ) between 500 Samples/s and 102.4 kSamples/s. By default, NI-DAQmx automatically chooses the most suitable timebase for a selected data rate.
  • Page 28 This input delay is specified in the FD-11637 Specifications . When using multiple FieldDAQ devices in a task that contains channels for a Delta- Sigma device, such as the FD-11637, ensure that one of those channels is the first in your channel list. ni.com...
  • Page 29 You can specify a default delay from the Start Trigger to the first sample. Use the Start Trigger signal with a time source, by specifying a specific time in NI- DAQmx. Refer to the Time Triggering topic in the NI-DAQmx Help for more information on accessing time-based features in the NI-DAQmx API.
  • Page 30 Network-synchronized devices can also take advantage of time-based synchronization features in NI-DAQmx. Certain triggers can be specified in terms of time of day. Time-based triggers and multidevice tasks (spanning multiple network-synchronized FieldDAQ devices) can help simplify programming for large systems.
  • Page 31 You can use the 13.1072 MHz, 12.8 MHz, 12.288 MHz, and 10.24 MHz timebases to generate the AI Sample Clock signals. These timebases are generated directly from the onboard clock generator. By default, NI-DAQmx automatically chooses the most suitable timebase for a selected data rate.

  • Page 32: Ethernet Ports

    The FieldDAQ device has two 8-pin X-coded M12 Ethernet ports—0 and 1. You can use a shielded straight-through Ethernet or an Ethernet crossover cable with either of the Ethernet ports to network your device to a computer host, NI Linux Real-Time controller, another FieldDAQ device, or any network connection on the same subnet.

  • Page 33: Ethernet Leds

    FD-11637 Table 9. Signal Descriptions Gigabit Ethernet Pin Number Wire Color Fast Ethernet Signal Signal Orange/White BI_DA+ Orange BI_DA- Green/White BI_DB+ Green BI_DB- Brown/White BI_DD+ No Connect Brown BI_DD- No Connect Blue/White BI_DC+ No Connect Blue BI_DC- No Connect You can use the Ethernet ports to reset the FieldDAQ device to factory-default settings.
  • Page 34 FD-11637 greater performance, wiring flexibility, and compatibility over standard Ethernet ports. The Ethernet switch exposes two Ethernet ports to the user. Either port can be used to connect the device to the network. The two ports can be used to connect multiple devices in a daisy-chain topology.
  • Page 35 These MAC addresses are not associated with a particular Ethernet port, but both addresses can appear on both ports as necessary. Table 11. NI MAX Device and Switch MAC Addresses Device MAC Address Switch MAC Address...

  • Page 36: Topology Options

    Topology Options Recommended networking topologies are described in this section. • Host—Can be a Windows computer or a real-time controller with the NI Linux Real-Time operating system, such as the IC-317 x , cRIO-9035/9039 Sync, cRIO-904 x /905 x , or cDAQ-9132/9133/9134/9135/9136/9137 for LabVIEW Real-Time •...
  • Page 37 FD-11637 • Failure of any Ethernet cable and/or improper cable termination disrupts network communication • Network performance and synchronization affected when node count exceeds 15. Consider the Star Topology for systems that require a greater number of nodes. Note For information about daisy-chaining power, refer to...
  • Page 38 FD-11637 • Requires an external switch Note For information about daisy-chaining power, refer to Power Connectors and Wiring. Star Topology Star Topology In a star topology, the host communicates directly with each node through the external switch. You must use an external switch in a star topology; for network synchronization, you must use an external IEEE 802.1AS switch.
  • Page 39 FD-11637 consideration. Visit ni.com/info and enter fdenet for information about exploiting link redundancy and automatically improving reliability. Disadvantages: • Most costly of the recommended topologies • Requires an external switch (external IEEE 802.1AS switch for network synchronization) • Covers the least distance...
  • Page 40 Real-Time controller. 2. Install NI-DAQmx on the host machine if the driver was not installed in step 1. a. Download NI-DAQmx from ni.com/downloads/drivers. Complete the instructions.
  • Page 41 Devices. 9. Click Add Network Device, and then Find Network NI-DAQmx Devices. 10. In the Find Network NI-DAQmx Devices dialog box that opens, do one of the following: ◦ Check the box that corresponds to your device in the Hostname column.
  • Page 42 FD-11637 Device Manually field of the Find Network NI-DAQmx Devices window, and click the + button. ◦ Enter the hostname of the device. The default hostname is FD11637-< serial number >. If your FieldDAQ device does not appear in Available Devices, click Refresh List. If the device still does not appear, contact your system administrator to confirm that the network is working and that a firewall is not interfering with discovery.
  • Page 43 If your FieldDAQ device becomes disconnected from the network, open MAX and try the following: • After moving the device to a new network, NI-DAQmx may lose connection to the device. In this case, click Reconnect to provide NI-DAQmx with the new hostname or IP address.
  • Page 44 The FieldDAQ device has a STATUS LED. Table 12. LED State/Device Status LED Color and State Device Status Device is reserved by NI-DAQmx but there is no activity, the device is not powered, or the device is not reserved by NI-DAQmx. Yellow, solid Device firmware is booting or updating.
  • Page 45 FD-11637 LED Color and State Device Status running. Resetting the FieldDAQ to Factory-Default Settings To reset your FieldDAQ device to factory-default settings, complete the following steps. 1. Verify the power source is turned off. 2. Connect Ethernet port 0 and port 1 with an Ethernet cable.
  • Page 46 FD-11637 Mounting FieldDAQ can be mounted on any substrate in any orientation if the ambient temperature is 75 °C or less. However, to ensure proper functionality during use above 75 °C, you must mount the FieldDAQ device in the reference mounting configuration shown in the following figure.

  • Page 47: Mounting Requirements

    FD-11637 Before using any mounting methods, record the serial number from the back of the FieldDAQ device so that you can identify it in MAX. You will be unable to read the serial number after you mount the device. Mounting Requirements Your installation must meet the following requirements for cooling and cabling clearance.
  • Page 48 Measure the ambient Measure the ambient temperature here temperature here 25.4 mm 76.2 mm 76.2 mm 25.4 mm (1.00 in.) (3.00 in.) (3.00 in.) (1.00 in.) Dimensions For detailed dimensional drawings and 3D models, visit ni.com/dimensions and search for FD-11637. ni.com...

  • Page 49: Mounting The Device Directly On A Flat Surface

    FD-11637 Mounting the Device Directly on a Flat Surface For environments with high shock and vibration, NI recommends mounting the FieldDAQ device directly on a flat, rigid surface using the mounting holes on the device. This mounting technique requires four M5 or 10-32 panhead or sockethead cap screws appropriate for the surface.

  • Page 50: Alternate Mounting Configurations

    Contact NI for further details regarding the impact of common alternate mounting configurations on maximum operating temperature and accuracy. Mounting the Device on a DIN Rail...
  • Page 51 FD-11637 1. Attach the FieldDAQ device to the bracket panel using the included M5 x 10 mm screws and M5 washers. The front of the bracket panel, which includes an outline of the FieldDAQ device, should be attached to the back of the FieldDAQ device.
  • Page 52 FieldDAQ device. Table 14. FD-11637 Calibration Driver Support Driver Earliest Version Support NI-DAQmx 18.5 Firmware Firmware can be updated through NI MAX or the web interface to the device. For ni.com...

  • Page 53: Maintenance

    Info Code daqmxexp. To run examples without the device installed, use an NI-DAQmx simulated device. For more information, in Measurement & Automation Explorer (MAX), select Help » Help Topics » NI-DAQmx » MAX Help for NI-DAQmx and search for simulated devices.
  • Page 54 FD-11637 FieldDAQ FieldDAQ The FD-11637 Quick Start , packaged with your device, describes how to install your NI-DAQmx for Windows software, how to set up your FieldDAQ device, and confirm that your device is operating properly. The FD-11637 Specifications lists all specifications for your FieldDAQ device. Go to ni.com/manuals...
  • Page 55 • VI and Function Reference » Measurement I/O VIs and Functions » DAQmx - Data Acquisition VIs and Functions—Describes the LabVIEW NI-DAQmx VIs and functions. • Property and Method Reference » NI-DAQmx Properties—Contains the property reference. • Taking Measurements—Contains the conceptual and how-to information you...
  • Page 56 Microsoft Visual Studio Support Microsoft Visual Studio Support You can use the NI-DAQmx .NET class library to communicate with and control an NI data acquisition (DAQ) device. Documentation for the NI-DAQmx .NET class library is available by selecting Start » All Programs » National Instruments » NI-DAQmx » NI- DAQmx Documentation and then opening the NINETDAQmxFxXX.chm help file...

  • Page 57: Training Courses

    National Instruments » NI-DAQmx » Text-Based Code Support » NI-DAQmx C Reference Help. Training Courses If you need more help getting started developing an application with NI products, NI offers training courses. To enroll in a course or obtain a detailed course outline, refer to ni.com/training.

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