| Manufacture | ABB |
| Item No | AI931S |
| Article number | 3KDE175511L9310 |
| Series | 800XA Control Systems |
| Origin | Sweden |
| Dimension | 155*155*67(mm) |
| Weight | 0.4kg |
| Customs Tariff Number | 85389091 |
| Type | Analog Input |
The system is robust, fault-tolerant and easy to maintain. Integrated power-off allows replacement during operation, which means that the power supply unit can be replaced by removing the voltage once. AI931S analog input (AI4H-Ex), passive input 0/4...20 mA. ATEX certified for zone 1 installation Redundancy (power supply and communication) Hot configuration during operation Hot swap capability Extended diagnostics Excellent configuration and diagnostics via FDT/DTM G3 – coating of all components Simplified maintenance through automatic diagnostics 0/4...20 mA passive input Short circuit and wire break detection Galvanic isolation between input/bus and input/power supply Common return for all inputs 4 channels Transmission of HART frames via fieldbus Cyclic HART variablesFrequently asked questions about the product are as follows: -What types of input signals does the ABB AI931S accept? The AI931S accepts input signals such as current 4-20 mA and voltage 0-10 V, ±10 V, making it versatile and suitable for a variety of field devices. -What is the accuracy of the ABB AI931S 3KDE175511L9310? 12-bit or 16-bit resolution is available, providing high accuracy for precise analog measurements. This resolution ensures that even small changes in input signals are accurately captured and processed. -What diagnostic features does the ABB AI931S provide? The AI931S includes open wire detection, over/under range detection, and LED status indicators. These diagnostic features help identify problems such as broken wires, incorrect signal levels, or module failures.