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Description
The ABB 07AI91 (GJR5251600R0202) is a high-performance analog I/O module designed for the Advant Controller 31 (AC31) system. This versatile unit provides flexible signal processing for industrial automation tasks, supporting a wide range of input configurations including voltage, current, and RTD sensors. Engineered for reliability in demanding environments, the module features robust isolation and high-resolution signal conversion for precise process control.
Features
- Supports 8 differential or 16 single-ended analog inputs.
- Configurable for U/I/RTD input types.
- 16-bit resolution (including sign) for high-precision data acquisition.
- Supports 1/3-wire connection configurations.
- Integrated 1500V AC isolation for protection against electrical noise and transients.
- Optimized for 24V DC supply voltage with low power consumption.
Technical Specifications
| Model |
07AI91 (GJR5251600R0202) |
| System |
Advant Controller 31 (CS31) |
| Supply Voltage |
24V DC +/- 10% |
| Power Consumption |
3.2W (typical) |
| Input Channels |
8 Differential / 16 Single-ended |
| Resolution |
16-bit (including sign) |
| Current Input |
0-20mA, 4-20mA |
| Accuracy |
+/- 0.1% of span (at 25 degC) |
| Operating Temperature |
-25 degC to +60 degC |
| Storage Temperature |
-40 degC to +85 degC |
| Relative Humidity |
5% to 95% (non-condensing) |
Installation Guidelines
- Ensure the control system is powered down before installing or removing the module from the rack.
- Mount the module in a clean, dry environment with adequate ventilation to maintain operating temperatures within the specified range.
- Use shielded twisted-pair cabling for all analog signals to minimize electromagnetic interference (EMI).
- Maintain proper grounding practices to ensure signal integrity and electrical safety.
- Verify that the supply voltage is stable and within the 24V DC +/- 10% tolerance before powering the system.
FAQ
What type of sensors can be connected to the 07AI91?
This module is designed to accept voltage, current (0-20mA/4-20mA), and RTD inputs, making it suitable for a variety of industrial sensors and transmitters.
Is this module compatible with the CS31 bus?
Yes, the 07AI91 is a dedicated component for the ABB Advant Controller 31 (CS31) series, designed for seamless integration into the CS31 fieldbus architecture.
