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General| ABB Type Designation | 07AI91 |
|---|---|
| Type | Analog Input Module |
| Input Channels | 8 |
| Accuracy | ±0.1 % of full scale |
| Extended Type Designation | 07AI91 |
| Product Net Weight | 0.2 kg |
| Input Range | 0...10 V, 0...20 mA, 4...20 mA |
| Isolation | 500 V AC |
| Operating Temperature | 0°C to +60°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Weight | 0.2 kg |
Details ambient conditions, mechanical data, and mains voltage tolerances for AC31 units.
Provides detailed specifications for the CS31 system bus, including type, length, and protocol.
Describes the components and technical specifications of AC31 basic units.
Details the specifications and physical layout of centrally extensible remote units.
Provides specifications and connection details for AC31 digital central extensions.
Details specifications and configuration options for AC31 analog central extensions.
Covers rules for AC31 system assembly, cabling, earthing, and power supply.
Describes the CS31 system bus, its cabling requirements, and termination for reliable communication.
Covers power supply, inputs/outputs cabling, and output protection for basic and remote units.
Explains the cabling procedures for various AC31 digital central extensions.
Details the cabling procedures for AC31 analog central extensions.
Explains addressing rules for AC31 units and the correspondence between variables and physical addresses.
Details system constants for configuring operating modes, initialization, and communication parameters.
Explains communication between 50 series basic units via the CS31 system bus, covering master/slave operation.
Describes MODBUS® communication protocols for connecting AC31 units to other devices via serial interfaces.
Categorizes detected errors into four classes: Fatal, Serious, Light, and Warnings.
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