The ABB 07AI91 (GJR5251600R0202) is a high-performance analog I/O module designed for the Advant Controller 31 (AC31) series. This module provides versatile signal processing capabilities, supporting voltage, current, and RTD inputs for industrial automation and process control applications. It is engineered to deliver reliable data acquisition in demanding environments.
Features
8 differential or 16 single-ended input channels.
Supports multiple input types including U, I, and RTD.
16-bit resolution (including sign) for high-precision measurement.
Operates on a 24V DC supply voltage.
Robust 1500V AC isolation between channels and system logic.
Configurable for 1/3-wire connection schemes.
Technical Specifications
Model
07AI91 (GJR5251600R0202)
Supply Voltage
24V DC +/- 10%
Power Consumption
3.2W typical
Channels
8 Differential / 16 Single-ended
Input Ranges
0-20mA, 4-20mA, Voltage, RTD
Resolution
16-bit (including sign)
Accuracy
+/- 0.1% of span (at 25 degC)
Operating Temperature
-25 degC to +60 degC
Storage Temperature
-40 degC to +85 degC
Humidity
5-95% RH (non-condensing)
Installation Guidelines
Ensure the system power is disconnected before installing or removing the module from the rack.
Mount the module in a clean, dry environment to prevent dust or moisture ingress.
Use shielded cables for all analog signal connections to minimize EMI interference.
Ensure proper grounding of the module chassis to the cabinet earth bus.
Maintain adequate spacing around the module to allow for proper heat dissipation and ventilation.
Handle with care to avoid electrostatic discharge (ESD) damage to the internal circuitry.
FAQ
What is the primary function of the 07AI91 module?
The 07AI91 is an analog input module for the ABB Advant Controller 31 system, used to convert field signals such as current, voltage, or temperature (RTD) into digital data for the PLC.
Is this module compatible with other AC31 series components?
Yes, the 07AI91 is specifically designed for integration within the AC31 Advant Controller ecosystem. Please verify your specific controller firmware and hardware revision compatibility before installation.
