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SCXI-1540

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SCXI-1540, 8 Input Channel, LVDT Input Module

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SCXI-1540 National Instruments LVDT Input Module | Apex Waves | Image
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SCXI-1540 National Instruments LVDT Input Module | Apex Waves | Image
SCXI-1540 National Instruments LVDT Input Module | Apex Waves | Image
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National Instruments SCXI-1540 LVDT Input Module

The NI SCXI-1540 (Part Number: 777966-40) is a Linear Variable Differential Transformers or LVDT Module, which has the required signal conditioning to measure signals from transformer-based ratiometric position sensors, such as LVDTs, rotary variable differential transformers (RVDTs), and resolvers. This module has 4 and 5-wire connections for LVDTs and RVDTs. When this module is implemented into an SCXI system, the user has the capability to scan the analog input channels of the SCXI-1540 module, as well as other modules, at rates as fast as 333 kS/s. There is also a random scanning function, which allows the user to choose the specific channels from which they wish to obtain information.

Furthermore, the SCXI 1540 has an autocalibration feature through NI-DAQ or LabVIEW VI without the need for external hardware. The user does not need to detach sensor wiring to complete an autocalibration. The output is internally wrapped back to the input, enabling the user to take stock of errors in excitation and input circuitry. The correction constants from the autocalibration are saved in the EEPROMs found on every module. The NI-DAQ driver software utilizes the constants to adjust for the gain and offset blunders of every channel.

The gain, level, wire mode, and frequency on the NI SCXI-1540 are set for each channel and do not require the use of jumpers. This module can be configured with Measurement & Automation Explorer (MAX) or with function calls to NI-DAQ. In addition, the user can choose any quantity of channels to synchronize to the same frequency.

SCXI-1540 Obsolete Status has been announced by National Instruments, but the module will still be available for purchase and repairs by Apex Waves.

ModelSCXI-1540
ManufacturerNational Instruments
Part Number777966-40
TypeLVDT Input Module
Channels8
Input Connections4-wire or 5-wire
Maximum Working Voltage6 Vrms, Measurement Category I
Dimensions7.4 x 6.8 x 1.2 in.
Weight25.6 oz.
SCXI-1540 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

Associated part numbers for SCXI-1540:

National Instruments SCXI-1540 Frequently Asked Questions

 

Question: What types of signals does the SCXI-1540 measure?

 

Answer: The SCXI-1540 measures signals from transformer based ratiometric position sensors.

 

Question: Does the SCXI 1540 provide autocalibration?

 

Answer: Yes, the SCXI 1540 provides autocalibration without the need for external hardware.

 

Question: What is the programmable input range per channel on the NI SCXI-1540?

 

Answer: The programmable input range per channel on the NI SCXI-1540 is 0.05 to 6 Vrms.

Driver Downloads for SCXI-1540


OS Compatibility: …

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Common Typos:

ECXI-1540, ZCXI-1540, SCAI-1540, SCDI-1540, SCXI-15T0

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