Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model/Part Number | CAI20 |
| Description | Analog Input Module |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | CAI20 |
| Product Name | CAI20 Analog Input Module |
| Application | Analog signal acquisition in distributed control systems for industrial process monitoring and control |
| Compatibility | Integrates with ABB Symphony Plus and Bailey INFI 90 systems; supports sensor inputs for voltage, current, and resistance |
| Function | Provides 20-channel analog input processing for 4-20 mA, 0-10 V, and RTD signals with high accuracy and noise immunity |
Functional Specifications
| Parameter | Details |
|---|---|
| Input Channels | 20 isolated channels |
| Input Types | 4-20 mA current, 0-10 V voltage, RTD (Pt100), thermocouple |
| Resolution | 16-bit A/D conversion |
| Accuracy | ±0.1% of span typical |
| Isolation | Channel-to-channel and channel-to-bus isolation (500 V) |
| Power Supply | 24 V DC nominal (from system backplane) |
| Power Consumption | 8 W maximum |
| Operating Temperature Range | -30°C to +70°C |
| Mounting | DIN rail or rack mount in control cabinet |
| Dimensions | 160 mm x 100 mm x 50 mm (W x H x D) approximate |
| Weight | 0.6 kg |
| Standards Compliance | IEC 61131-2, CE, UL, CSA |