Description
The VXI-SC-1102 is a Multiplexer Amplifier Module designed and manufactured by National Instruments, specifically engineered for use with the VXI-SC-1000 carrier module.
It is equipped with 32 differential analog input channels, offering versatility in handling various signal types. An additional feature of this module is the inclusion of a cold-junction sensor terminal, enhancing its functionality in temperature-related applications.
Each channel on the VXI-SC-1102 is fitted with a 3-pole low-pass filter to mitigate noise, with a cutoff frequency set at 2 Hz, which is particularly effective against 60 Hz noise signals.
The module’s amplifiers have a gain selection that can be set to either 1 or 100, allowing for signal amplification as needed for the application at hand. The VXI-SC-1102 is capable of producing a single output to control a VXI-MIO board, streamlining the process of signal multiplexing.
It is suitable for signal conditioning in a variety of contexts, including volt and millivolt sources, as well as 4 – 20 mA and 0 – 20 mA process-current sources, making it a flexible solution for a range of low-bandwidth applications.
Despite its obsolete status having been announced by National Instruments, the VXI-SC-1102 remains available for purchase and repairs through Apex Waves, ensuring support for existing systems that utilize this module.
| Specification | Details |
|---|---|
| Part Number | VXI-SC-1102 |
| Manufacturer | National Instruments |
| Type | Multiplexer Amplifier Module |
| Compatible Carrier Module | VXI-SC-1000 |
| Input Channels | 32 Differential Analog Channels |
| Additional Feature | Cold-Junction Sensor Terminal |
| Filter | 3-Pole Low-Pass Filter on Each Channel |
| Cutoff Frequency | 2 Hz |
| Amplifier Gain Selection | 1 or 100 |
| Output Type | Single Output for Controlling VXI-MIO Board |
| Signal Conditioning Applications | Volt and Millivolt Sources, 4 – 20 mA and 0 – 20 mA Process-Current Sources |
| Obsolete Status | Announced by National Instruments, Available for Purchase and Repairs by Apex Waves |
Question 1: What features make the VXI-SC-1102 Multiplexer Amplifier Module suitable for temperature-related applications and low-bandwidth signal conditioning?
Answer 1: The cold-junction sensor terminal on the VXI-SC-1102 Multiplexer Amplifier Module enhances its functionality for temperature-related applications by providing a reference point for thermocouple measurements, which helps in accurately compensating for temperature variations and ensuring precise temperature readings.
Question 2: What is the significance of the 3-pole low-pass filter with a 2 Hz cutoff frequency in the VXI-SC-1102 Multiplexer Amplifier Module by National Instruments?
Answer 2: The VXI-SC-1102 Multiplexer Amplifier Module is suitable for temperature-related applications due to its cold-junction sensor terminal, and it is well-suited for low-bandwidth signal conditioning with its 32 differential analog input channels, 3-pole low-pass filters with a 2 Hz cutoff frequency to reduce noise, and selectable gain amplification of either 1 or 100, accommodating a variety of signal types including volt and millivolt sources, as well as 4 –
Question 3: How does the cold-junction sensor terminal on the VXI-SC-1102 Multiplexer Amplifier Module enhance its functionality for temperature-related applications?
Answer 3: The National Instruments VXI-SC-1102 Multiplexer Amplifier Module boasts notable features such as 32 differential analog input channels, a cold-junction sensor terminal for temperature-related applications, a 3-pole low-pass filter with a 2 Hz cutoff frequency to reduce noise, and gain selection of 1 or 100 for signal amplification, making it suitable for a wide range of low-bandwidth applications including handling volt and millivolt sources, as well as 4 – 20
Question 4: Given the obsolescence of the VXI-SC-1102, where can existing systems utilizing this Multiplexer Amplifier Module still obtain support and potential repairs for it?
Answer 4: The significance of the 3-pole low-pass filter with a 2 Hz cutoff frequency in the VXI-SC-1102 Multiplexer Amplifier Module by National Instruments is to effectively reduce noise, particularly the common 60 Hz electrical noise, thus ensuring cleaner signal acquisition and improved accuracy in measurements for low-bandwidth applications.
Question 5: What are the notable features and applications of the National Instruments VXI-SC-1102 Multiplexer Amplifier Module, and how does Apex Waves provide support despite its obsolescence?
Answer 5: Existing systems utilizing the VXI-SC-1102 Multiplexer Amplifier Module can still obtain support and potential repairs through Apex Waves, despite its obsolete status announced by National Instruments.
