The ABB 07AI91 AC31 Analog I/O Module is a versatile module designed for distributed automation systems. It provides precise 12-bit measurement for 8 analog inputs, supporting multiple signal types including voltage, current, RTD, and thermocouples. This module ensures seamless integration into ABB AC31 PLC systems, offering reliability and efficiency in industrial applications.
Key Features
- 8 analog input channels for flexible signal acquisition
- Supports thermocouples (J, K, S), RTD (PT100, PT1000), voltage, and current signals
- 12-bit resolution with sign for precise measurements
- 24 V DC supply voltage
- Pluggable screw terminals for easy installation
- RS-485 CS31 Bus interface for reliable communication
- Mounts on standard TH35 DIN rails (35×15 mm or 35×7.5 mm)
- Designed for distributed automation applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Product ID | GJR5251600R0202 |
| ABB Type Designation | 07AI91 |
| Catalog Description | AC31 Analog I/O Module |
| Analog Inputs | 8 channels |
| Signal Types | Thermocouples (J, K, S), RTD (PT100/PT1000), Voltage (-50…+50 mV, -500…+500 mV, -5…+5 V, -10…+10 V), Current (0–20 mA) |
| Resolution | 12-bit + sign |
| Supply Voltage | 24 V DC |
| Cable Cross-Section | 0.08–1.5 mm² |
| Interfaces | RS-485 via CS31 Bus |
| Mounting | TH35 DIN rail (35×15 mm, 35×7.5 mm) |
| Degree of Protection | IP20 |
| Net Weight | 0.48 kg |
| Package Weight | 0.65 kg |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -25°C to +75°C |
| Max Operating Altitude | 2000 m |
| Certifications | CE, ABS, CSA, DNV, GL, LR, RINA, RMRS, UL |
| RoHS Status | No declaration needed |
Applications
The 07AI91 module is ideal for distributed automation systems where precise analog input processing is required. It integrates with legacy AC31 PLCs and enhances system reliability.
Ordering Information
- Minimum Order Quantity: 1 piece
- Order Multiple: 1 piece
- Customs Tariff Number: 85389091
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 302 × 348 × 216 mm |
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