♻️型号：AI845 3BSE023675R1
✳️产品特征：
多类型标准信号兼容
原生 HART 一体化采集
通道独立限流安全供电
带电热插拔设计
标准化 S800 通用机架
⏰交货货期：现货
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ABB S800 I/O 系列 AI845 3BSE023675R1 8通道模拟输入模块
AI845 3BSE023675R1是ABB S800 I/O 系列 8 通道模拟输入模块。AI845模拟输入模块适用于单通道或冗余应用。该模块共有 8 个通道，当使用 MTU TU844 或 TU845 时，每个通道均可作为电压或电流输入；若使用其他 MTU，则所有通道均变为电压或电流输入。电压和电流输入端能够承受至少11 V直流的过压或欠压。电压输入的输入电阻大于10 M欧姆，电流输入的输入电阻为250欧姆。
Features and benefits8 channels for 0...20 mA, 4...20 mA, 0...5 V or 1...5 V d.c., single ended unipolar inputs Single or redundant operation 1 group of 8 channels isolated from ground 12 Bit resolution Current limited transmitter supply per channel Advanced on-board diagnostics HART pass-through communication
ABB S800 I/O 系列 AI845 3BSE023675R1 8通道模拟输入模块
参数规格（仅供参考）
| Item | Specification |
|---|---|
| Model | AI845 |
| Order Code | 3BSE023675R1 |
| Product Type | 8-channel analog input module, S800 I/O series |
| Input Channels | 8 unipolar single-ended channels |
| Supported Signals | 4–20 mA, 0–20 mA, 1–5 V DC, 0–5 V DC |
| ADC Resolution | 12 bit |
| Basic Accuracy (25℃) | ±0.1% full scale |
| Input Impedance | 250 Ω (current input), ≥10 MΩ (voltage input) |
| Isolation Mode | Group isolation (8 channels to ground) |
| Rated Insulation Voltage | 50 Vrms, dielectric test 500 V AC / 1 min |
| HART Function | HART pass-through communication supported |
| Redundancy Support | Single or 1:1 redundant with TU844 / TU845 terminal unit |
| Transmitter Supply | Channel-wise current limited 24 VDC power output |
| Over-range Detection | -12.5% ~ +15% for 4–20mA / 1–5V; 0 ~ +15% for 0–20mA / 0–5V |
| Module Update Cycle | Min 10 ms |
| Power Dissipation | 3.5 W typical |
| Module Bus Current | 100 mA (+5V), 50 mA (+24V) |
| Diagnostic Indicators | Run, Fault, Warning LED on front panel |
| Max Field Cable Length | 600 m |
| Operating Temperature | -40 ℃ ~ +70 ℃ |
| Storage Temperature | -40 ℃ ~ +85 ℃ |
| Relative Humidity | 5% ~ 95% non-condensing |
| Dimension (H×W×D) | 119 mm × 45 mm × 102 mm |
| Net Weight | 0.23 kg |
| Protection Class | IP20 (cabinet installation only) |
| Certifications | CE, UL, RoHS compliant |
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