Description
Product Overview
The NI SCXI-1104C is a high-performance analog input signal conditioning module designed by National Instruments (NI) for use within SCXI (Signal Conditioning eXtensions for Instrumentation) systems. It is specifically engineered to provide accurate, stable, and low-noise acquisition of analog voltage signals in industrial measurement, test, and data acquisition environments.
The SCXI-1104C is widely used in laboratory testing, industrial automation, research and development, and production test systems where precise voltage measurement and signal integrity are critical. By combining amplification, filtering, and isolation functions in a modular form factor, this module enhances measurement accuracy while protecting data acquisition hardware from electrical noise and interference.
Designed to integrate seamlessly with SCXI chassis and NI data acquisition hardware, the SCXI-1104C offers reliable performance in both continuous monitoring and event-based measurement applications.
NI SCXI-1104C
Product Parameters (Technical Specifications)
| Parameter | Specification |
|---|---|
| Manufacturer | National Instruments (NI) |
| Model | SCXI-1104C |
| Product Type | Analog Input Signal Conditioning Module |
| Number of Channels | 32 single-ended or 16 differential inputs |
| Input Signal Type | Analog voltage |
| Input Voltage Range | Configurable voltage ranges for low-level and high-level signals |
| Gain Settings | Programmable gain for signal amplification |
| Input Impedance | High input impedance for minimal signal loading |
| Filtering | Built-in low-pass filtering to reduce noise |
| Isolation | Channel-to-ground isolation for system protection |
| Sampling Support | Optimized for multiplexed data acquisition |
| Mounting | SCXI chassis slot-mounted |
| Operating Mode | Continuous or triggered acquisition |
| Environmental Suitability | Designed for industrial and laboratory environments |
Product Datasheet (Functional Description)
The SCXI-1104C functions as a precision analog input module that conditions voltage signals before they are digitized by a data acquisition device. Its primary role is to ensure signal accuracy, stability, and noise immunity across a wide range of measurement conditions.
Signal Conditioning and Accuracy
The module provides programmable gain amplification, allowing users to optimize input ranges for both low-level and higher-voltage signals. This ensures that signals fully utilize the resolution of the connected DAQ hardware, improving overall measurement precision. Integrated filtering reduces the impact of electrical noise, making the SCXI-1104C well suited for environments with motors, power electronics, or other noise-generating equipment.
Channel Configuration
The SCXI-1104C supports both single-ended and differential input configurations, providing flexibility for various sensor and signal types. Differential inputs are particularly useful for rejecting common-mode noise in long cable runs or electrically noisy environments.
Isolation and System Protection
Electrical isolation between channels and ground protects sensitive data acquisition systems from voltage spikes and ground loops. This isolation enhances system reliability and helps prevent damage to downstream measurement hardware.
Integration with SCXI Systems
Designed for direct installation into SCXI chassis, the module communicates efficiently with NI data acquisition boards. This modular approach allows users to scale systems easily by adding or replacing modules without redesigning the entire measurement architecture.
Typical Measurement Signals
The SCXI-1104C is commonly used to measure:
- Process control voltages
- Sensor outputs (pressure, flow, displacement, and position sensors)
- Industrial control signals
- Laboratory test signals requiring high accuracy and stability
NI SCXI-1104C
Country of Origin
The NI SCXI-1104C is manufactured under National Instruments’ global quality standards. Each module undergoes functional verification, electrical testing, and quality inspection to ensure consistent performance, long-term stability, and compliance with industrial measurement requirements.
NI’s manufacturing process emphasizes precision assembly, component traceability, and rigorous testing to support demanding industrial and research applications.
Common Questions and Answers (Q&A)
Q1: What is the primary function of the SCXI-1104C?
It conditions analog voltage signals by providing amplification, filtering, and isolation before data acquisition.
Q2: How many channels does the module support?
It supports up to 32 single-ended or 16 differential analog input channels.
Q3: Can it be used in noisy industrial environments?
Yes. Built-in filtering and isolation make it suitable for electrically noisy environments.
Q4: Is it compatible with SCXI chassis systems?
Yes. It is designed specifically for seamless integration into SCXI chassis.
Q5: What types of signals can it measure?
Primarily analog voltage signals from sensors, control systems, and laboratory instruments.
Summary
The NI SCXI-1104C is a reliable and flexible analog input signal conditioning module that delivers high-accuracy voltage measurements for industrial, laboratory, and research applications. With configurable channel modes, programmable gain, integrated filtering, and electrical isolation, it provides a robust solution for acquiring clean and accurate data in demanding environments.
Its modular SCXI design enables scalable system architecture, making the SCXI-1104C a trusted choice for engineers and researchers who require dependable performance, measurement precision, and long-term system stability.
