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I/O Module UF20-8AI-U-16 Voltage Analog Input 8 Channel
Explore the UF20-8AI-U-16, an 8-channel analog input module with differential signal support and 16-bit resolution. Ideal for voltage measurements from 0 to 10V, featuring magnetic isolation, reverse protection, and fault diagnosis for high accuracy and reliability in industrial environments.
Description
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The analog input module has 8 channels, and the width is only 12 mm.
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The analog input module can receive 0~5V, ±5V, ±10V, 0~10V standard signals.
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The input signal of each channel is electrically isolated and transmitted in the form of 16-bit resolution.
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The module is powered by the system power supply (through the internal data bus).
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The input channel is differential input.
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The shield end can be directly connected with DIN rail
Integrated I/O module

| Specification | |
| Product | UF20-8AI-U-16 |
| Number of channels | 8 |
| Data size | 16 Byte |
| Measuring range | Voltage U (0…+5V)(-5…+5V)(0…+10V)(-10…+10V) |
| Signal type | Differential signal |
| Connection type | 2-line |
| Reverse protection | Yes |
| Isolation method | Magnetic isolation |
| Fault diagnosis | Yes |
| Internal Resistance | >500KΩ |
| Resolution | 16 Bit |
| Precision | 0.20% |
| Conversion time | <1ms |
| Power Supply Parameters | |
| Connection type | PUSH-IN terminal blocks |
| Working voltage | 24V DC +20 % / -15 % |
| System supply current | <400mA |
| Maximum area of wire | 1.5mm² |
| Maximum area of wire (AVVG) | AWG16 |
| Minimum area of wire | 0.2mm² |
| Minimum area of wire (AVVG) | AWG22 |
| Strip length | 8~10mm |
| Mechanical Structure | |
| Protection grade | IP20 |
| Size (H x W x D) | 75mmX12mmX105mm |
| Installation type | 35mm DIN |
| Work Environment | |
| Working temperature | -10-55℃ |
| Storage temperature | -20-85℃ |
| Relative humidity | 5~95%RH (non-condensing) |








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