The NI-9205 C Series 16 Bit AI Module aims to provide high-precision, high-reliability multi-channel data acquisition solutions for industrial automation, process control, test and measurement, and scientific research.This module integrates an advanced multiplexing front-end design, perfectly combining a programmable gain instrumentation amplifier (PGIA) with a 16-bit analog-to-digital converter (ADC). It can achieve 32 single-ended or 16 differential voltage inputs within a single module, fully meeting users' application needs for high-density signal acquisition.
Xi'an Mingxi Taida Information Technology Co., Ltd. brings over 12 years of industry expertise to deliver cutting-edge measurement and control solutions.With progressed computerization forms and strict quality control, we guarantee each item meets the most noteworthy guidelines for proficient applications.
Key Features of the NI-9205 C Series
The NI-9205 offers an industry-leading high-density channel configuration, integrated within a single module.32 single-ended inputs or 16 differential inputs, all channels share a single programmable gain instrumentation amplifier (PGIA),channels share a single 16-bit ADC via a multiplexer (MUX). This design maximizes channel density and reduces the unit channel cost of the system while ensuring measurement accuracy.
Each channel supports four programmable input ranges:
| Input Range | LSB resolution (±10V reference) | Applications |
| ±10 V | 328 μV/LSB | Standard industrial signals |
| ±5 V | 164.2 μV/LSB | Medium amplitude signal |
| ±1 V | 32.8 μV/LSB | Small amplitude signal |
| ±0.2 V | 6.57 μV/LSB | Tiny signal/sensor output |
Input impedance: >10 GΩ in parallel with 100 pF (power-on state), ensuring low load effect on the measured signal. Input bias current: ±100 pA, minimizing measurement errors. Common-mode rejection ratio (CMRR): 100 dB from DC to 60 Hz, effectively suppressing common-mode noise. Analog bandwidth: 370 kHz, supporting high-frequency signal acquisition. Crosstalk rejection: -65 dB for adjacent channels, -70 dB for non-adjacent channels (@100 kHz).
| Features | Specifications |
| Overvoltage protection | ±30 V (single channel), rated transient overvoltage protection up to 1000 Vrm |
| Channel to ground isolation | Spring terminal version: 250 Vrms; D-SUB version: 60 VDC |
| Minimum range | 4% overrange capability within ±10V range |
| Maximum operating voltage | Each channel must be maintained within ±10.4V of the COM terminal voltage |
Sampling Method: multiplexed sampling. Maximum Sampling Rate: 250 kS/s (CompactRIO and CompactDAQ chassis). Conversion Time: 4.00 μs (CompactRIO/CompactDAQ); 4.50 μs (R-series extended chassis). ADC Resolution: 16-bit, guaranteed no missing codes.
The NI-9205 C Series 16 Bit AI Module offers two connector options:
Connector Type: 36-position push-in spring terminal / standard spring terminal.
Cable Specifications: Push-in: 0.13 mm² to 1.5 mm² (26 AWG to 16 AWG), Standard: 0.08 mm² to 1.0 mm² (28 AWG to 18 AWG)
Wire Type: Solid wire or twisted wire with sleeve.
Features: Quick connection without tools, supports high vibration environments.
Connector Type: 37-pin D-SUB connector
Compatibility: Compatible with standard D-SUB cables and terminal blocks.
Features: Suitable for applications requiring shielded cables, supports long-distance cabling (up to 30 meters).
Recommended calibration interval: 2 years. Calibration method: Supports self-calibration and external calibration. Calibration constant: Stored in onboard EEPROM. Measurement accuracy: 6,230 μV absolute accuracy at full scale ±10V within a 2-year calibration period.
Applications
The NI-9205 is a general-purpose voltage input module in the C-series product line, positioned for mid-performance, high-channel-density data acquisition applications. Compared to other products in the same series:
| Features | NI-9201 | NI-9205 | NI-9206 | NI-9215 |
| Number of channels | 8 Single CH | 32 Single CH/16 differential | 32 Single CH/16 differential | 4 Differential |
| Resolution | 12 Bit | 16 Bit | 16 Bit | 16 Bit |
| Sampling Rate | 500 kS/s | 250 kS/s | 250 kS/s | 100 kS/s/CH |
| Input Range | ±10V | ±200mV~±10V | ±200mV~±10V | ±10V |
| Isolation | None | Channel to ground | Channel to ground 60VDC | Channel to ground |
| Simultaneous sampling | No | No | No | Yes |
The Key Advantages of The NI-9205 C Series 16 Bit AI Module:
The Architecture of NI-9205 Ensures:
The NI-9205 can be used on both the CompactDAQ and CompactRIO platforms:
CompactDAQ Platform
CompactRIO Platform
| Applications | Platform |
| Laboratory data acquisition | CompactDAQ |
| Online monitoring of production lines | CompactDAQ/CompactRIO |
| Closed-loop control applications | CompactRIO |
| Independent deployment system | CompactRIO |
| Portable testing equipment | CompactDAQ |
Analog Input Function
The NI-9205 supports three measurement modes:
Differential
RSE - Referenced Single-Ended
NRSE - Non-Referenced Single-Ended
The NI-9205 C Series 16 Bit AI Module integrates an analog trigger:
| Parameter | Specification |
| Number of trigger channels | 1 |
| Resolution | 10 (1,024 levels) |
| Bandwidth (-3dB) | 370 kHz |
| Accuracy | Full Measurment Range |
Supported trigger types:
In addition to analog input functionality, the NI-9205 also integrates one digital input and one digital output:
| Channel type | Description |
| DI0/PFI0 | Can be used as a PFI (Programmable Function Interface) |
| DO0 | Available only in CompactRIO system FPGA interface mode |
The NI-9205 supports self-calibration, which can be triggered via software
Measure internal reference voltage. Automatically adjust calibration constant. Compensate for temperature drift and aging effects. Calibration constant is stored in onboard EEPROM.
| Index | Specification |
| MTBF | 775,832hours @25°C |
| Operating temperature | -40°C to 70°C |
| Storage temperature | -40°C to 85°C |
| Operating humidity | 10-90% RH, No condensation |
| Protection level | IP40 |
| Vibration (random) | 5 g RMS |
| Vibration (sine wave) | 5 g |
| Impact | 30 g (11ms), 50 g (3ms) |
| Maximum altitude | 5,000 m |
We get it that standard arrangements do not continuously meet one of a kind prerequisites. Our experienced building group gives comprehensive OEM/ODM customization administrations. Whether you require adjusted recurrence ranges, specialized activating alternatives, or custom frame components, we work closely with you to create the idealize arrangement. Our adaptable plan approach guarantees your particular application needs are completely tended to whereas keeping up our quality standards.

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Q: Why Channel reading is 0 or unstable?
A: COM not connected, please connect signal ground to COM.
Q: Why reading out of range?
A: Signal exceeds range, please select a larger range or check the signal.
Q: Why high data noise?
A: Grounding circuit, please use differential connection.
Q: Why module not recognized?
A: Chassis compatibility issues, please check driver version and hardware compatibility.
Q: Why Calibration failed?
A: Temperature drift, please try again after the temperature stabilizes.
Ready to integrate reliable analog dynamic acquisition digital module control into your system? Our team is here to help you select the right configuration and provide ongoing support.
Contact our technical specialists at manager03@mxtdinfo.com / manager02@mxtdinfo.com for detailed specifications, pricing information, or to discuss your custom requirements. We're committed to delivering the perfect NI-9205 C Series 16 Bit AI Module solution for your application needs.
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