NI has tested each of these sensors and verified them for use with the PXIe-4330, PXIe-4331, and NI-9237 modules. ES Admin . The NI 9237 supports up to four full- and half-bridge sensors and can measure from quarter-bridge strain gages using a completion accessory. Use our online advisors to easily combine compatible chassis, controllers, and I/O modules in your preferred platform. How to measure a load cell with an NI DAQ and Labview. All new C Series modules feature built-in isolation, ensuring the safety of users, protection of expensive equipment and noise immunity. How to Calibrate a Load Cell using NI 9237 Part 1 - Duration: 12:14. It also has 60 VDC isolation and 1,000 Vrms transient isolation, providing high‑common‑mode noise rejection and increased safety. In old versions of NI-DAQmx, you will not find the Force (Bridge) or Force (IEPE) channel types. Solution You will need to use a NI 9949 which is a RJ 50 to Terminal Block Accessory. The new NI 9237 provides high-performance measurements for strain gage and load cell measurements and delivers 24 bits of resolution and up to 50 kS/s simultaneous sampling rates for dynamic strain applications. You will need to create a Custom … The module provides strain or load measurements with zero interchannel phase delay. This document explains how to connect to the NI 9237. Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports. The way that the 9237 works is that when internal excitation is selected, it will attempt to provide the 10 V of excitation to the device. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Find complete product documentation to learn how to get started and use the product. The article walks through how to make a measurement from bridge-based load cells, a step-by-step instructions for wiring and configuring your NI data acquisition device for strain gauge measurements.The principle alsoapplies for bridge-based pressure and bridge-based torque sensors. NI is partnering with Honeywell to offer a wide range of bridge-based load cells, pressure transducers, and torque sensors. Embedded Control and Monitoring Software Suite. LMZ34202RVQT. save hide report. There are many different types of load cells that operate in different ways, but the most commonly used load cell today is the strain gage (or strain gauge) load cell. 12:14. The NI-9237 is a bridge and strain measurement module. 22nd November 2010. You can choose from two cable assemblies: RJ50 and pigtail. Tech Videos. Network, share, and ask questions with other members of the NI community. For a full bridge measurement, the 9237 is only measuring differential voltage and is independent of the nominal resistance of the strain gauge. You can request repair, schedule calibration, or get technical support. 22nd November 2010. Each sensor is Transducer Electronic Data Sheet (TEDS) enabled for ease of use. If a different value is selected, then the module will default to the nearest value from the list provided. VIEW PRODUCT DETAILS Configure A Custom NI System 50 kS/s/channel, Bridge Analog Input, 4-Channel C Series Strain/Bridge Input Module —The NI‑9237 includes all the signal conditioning required to power and measure up to four bridge-based sensors simultaneously. National Instruments NI-9237 Simultaneous Strain Bridge Input Module . If using the NI 9237, see How Do I Configure a Load Cell with the NI 9237. Tech Videos. How to set up Load cell reading on CompactRio 9030 with NI 9237. Home > Industries > How to measure a load cell with an NI DAQ and Labview. Note The guidelines in this document are specific to the NI 9237. The module provides strain or load measurements with zero interchannel phase delay. Each section below has a color listed in parenthesis that corresponds to its location on the Figurte 3 below. The four RJ50 jacks provide direct connectivity to most torque or load cells and offer custom cable solutions with minimal tools. Select Configure Scale to launch the Configure Scale Dialog to customize the scaling parameters.  See Knowledge Base:  DAQmx Custom Scales in Measurement & Automation Explorer (MAX) for the NI 9237 in the Related Links section below. You can choose from two cable assemblies: RJ50 and pigtail. Are there any specific wiring cables or accessories that I will need in order to accomplish this? How to measure a load cell with an NI DAQ and Labview A valid service agreement may be required, and support options vary by country. A load cell is a transducer that converts mechanical force into electrical signals. You will need to create a Custom Voltage with Exitation task and implement a Custom Scale to … TEDS, where under-powering the transducer could cause incorrect readings.  For more information about passive transducers, see Knowledge Base:  What Determines if a Transducer Is Active or Passive? Read More Read Less. Yu-An Chen 1,771 views. How to Calibrate a Load Cell using NI 9237 Part 2 - YouTube You can program the NI‑9237 for use with half-bridge and full-bridge sensors with built-in excitation. In this document, the NI 9237 with RJ-50 and the NI 9237 with DSUB are referred to inclusively as the NI 9237. A laptop computer with National Instruments LabVIEW software NI cDAQ-9174 chassis NI 9237 load cell module with load cell 20 2.5 lb weights NI 9215 with BNC LVDT module with LVDT, micrometer and stand NI 9211 thermocouple module with J type thermocouple Control company probe thermometer share. The NI 9237 can perform offset/null as well as shunt calibration and remote sense, making the module the best choice for low- to medium-channel-count strain and bridge measurements. So I've downloaded this program. It can be configured for quarter, half and full bridge measurements for both 120 ohm and 350 ohm bridges completion. How to measure a load cell with an NI DAQ and Labview. 100% Upvoted. 2 comments. The test I am doing is placing the Load Cell between 2 thick bars of metal, then standing/balencing on the top bar so all of the weight is transferred through the load cell. Provides support for NI data acquisition and signal conditioning devices. strain gauge based sensors, as the change in resistance is measured from stimulation.  Verify the power requirements when using sensors that require circuitry to be powered, i.e. The RJ50 interface on the NI 9237 makes connecting the … NI. Use NI 9172/78 for measurement with NI Signal Express. Honeywell, a global leader in load, pressure, and torque measurements, makes a wide array of sensors that connect directly to National Instruments instrumentation. ... AI-, EX+, and EX- on an NI 9237 C Series module. Testing the Signal. Learn more about our privacy statement and cookie policy. Product Support Resources. ... What steps do I have to take with the Load cell .vi after downloading it to make sure it's properly connected to my module Thanks. Each sensor is Transducer Electronic Data Sheet (TEDS) enabled for ease of use. Home > Tech Videos > How to measure a load cell with an NI DAQ and Labview. Manufacturer: Texas Instruments: Part Family: LMZ34202: Status: ACTIVE: NI is partnering with Honeywell to offer a wide range of bridge-based load cells, pressure transducers, and torque sensors. This solution might also apply to other similar products or applications. What do you need our team of experts to assist you with? Learn how to connect Loadcell with NI 9237 by NI 9949. Note Before you begin, complete the software and hardware installation procedures in your chassis documentation. When using the internal master timebase of 12.8 MHz, the result is data rates of 50 kS/s, 25 kS/s, 16.67 kS/s, and so on down to 1.613 kS/s, depending on the value of n.  See the NI 9237 Operating Instructions and Specifications in the Related Links for more information.Â, Figure 3:  Configuration for a full bridge 350 Ohm transducer using 2.5 V of internal excitation with a range of +/- 100 pounds, Collaborate with other users in our discussion forums. Explore a wide range of support content, including examples and troubleshooting information. Provides support for Ethernet, GPIB, serial, USB, and other types of instruments. The input impedance of the NI 9237 is essentially an open circuit and should not affect the bridge based measurement. The total weight should be about 200 LBs, however, I am only reading back 0.55mV in the NI 9237, which equates to about 25LBs. NI instrument and LabVIEW tutorial : read strain signal - Duration: 13:44. This may be left as the default value; however, a custom name will be easier to reference in your program.Â, Configuring a Load Cell in MAX With the NI 9237, Incorrect Voltage Readings on the NI 9237, Error -200077 When Applying DAQmx Custom Scale. NI has tested each of these sensors and verified them for use with the PXIe-4330, PXIe-4331, and NI-9237 modules. Environment shows products that are verified to work for the solution described in this article. Featured products. With 60 VDC isolation and 1,000 Vrms transient isolation, the NI 9237 has high-common-mode noise rejection and increased safety for both the operator and test system. For unlisted units, create a Custom Voltage with Excitation task and apply a custom scale as explained in the DAQmx 9.0.2 and Earlier section.Â. In this video, learn how an NI 9237 bridge measurement module is connected to a Honeywell load cell using Transducer Electronic Data Sheet (TEDS) technology. A valid service agreement may be required. If it cannot provide the ten volts (150mW maximum power output on the 9237) the device will drop down the voltage to levels where 150mW of provided power is sustainable. See the specifications for your load cell to determine the amount of excitation needed.  The NI 9237 can provide 2.5 V, 3.3 V, 5 V, or 10 V of excitation.  If a different value is selected, then the module will default to the nearest value from the list provided.It is not possible to use a combination of Internal Excitation and External Excitation as there is an internal hardware difference depending on the selection. Note:  As stated in the NI 9237 Specifications, linked below, the total maximum power supplied by the NI 9237 is 150 mW.  If more power is needed, then use external excitation provided by an another source.This is less of a concern with passive sensors, i.e. How to measure a load cell with an NI DAQ and Labview. NI (National Instruments) ES Admin . If using the NI 9237, see How Do I Configure a Load Cell with the NI 9237. You can program the NI‑9237 for use with half-bridge and full-bridge sensors with built-in excitation.