Overview
The ABB 07AI91 (GJR5251600R4202) is an advanced analog input module designed for CS31 system bus integration. It provides highly flexible analog inputs for voltage, current, thermocouples, and resistance temperature detectors (RTDs).
Moreover, the module ensures precise measurements in demanding industrial automation environments. Its DIN-rail or screw mounting options allow seamless installation while maintaining proper convection cooling.
In addition, configurable input channels enable pairing or independent operation, allowing optimized monitoring of temperature and voltage signals across complex systems.
Functional Highlights
- Analog Inputs: 8 channels, configurable in pairs
- Supported Signals: Pt100, Pt1000, thermocouples (J, K, S), voltage ±10 V, ±5 V, ±500 mV, ±50 mV, current 0–20 mA or 4–20 mA
- Resolution: 12-bit + sign for high precision
- Accuracy: < ±0.5% full scale for most input types
- Line Frequency Suppression: Configurable 50 Hz, 60 Hz, or none
- Diagnostic LEDs: 17 LEDs indicate operational status and errors
- Supply Voltage: 24 V DC, power consumption max. 3 W
Therefore, the 07AI91 module ensures reliable and precise signal acquisition with robust electrical isolation and configurable input ranges for industrial applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product ID | GJR5251600R4202 |
| Module Type | Analog Input Module |
| Channels | 8 analog inputs (pair configurable) |
| Input Types | Pt100, Pt1000, thermocouples (J/K/S), voltage, current |
| Voltage Input Ranges | ±10 V, ±5 V, ±500 mV, ±50 mV |
| Current Input Ranges | 0–20 mA, 4–20 mA via external shunt |
| Resolution | 12-bit + sign |
| Total Error | < ±0.5% full scale |
| Supply Voltage | 24 V DC |
| Power Consumption | Max. 3 W |
| Operating Temperature | 0–55 °C |
| Mounting | DIN rail EN 50022-35 mm or screw M4 |
| Weight | 450 g |
| Terminal Cross Section | Max. 2.5 mm² |
| LEDs | 17 for operation and error status |
In addition, the module supports ambient-compensated thermocouple measurements, ensuring precise temperature data for process control applications.
Typical Applications
The ABB 07AI91 module is suitable for:
- Industrial automation systems requiring accurate temperature or voltage measurement
- CS31 bus-based communication architectures
- Monitoring RTDs and thermocouples in chemical, pharmaceutical, and energy processes
- Flexible sensor integration where configurable analog inputs improve system efficiency
Moreover, it enhances system reliability and scalability by supporting multiple input types with precise signal acquisition in harsh environments.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 3048 × 3556 × 2159 mm |
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