Overview
The ABB 07 AI 91 (07AI91 ,Order No. GJR52516 00R0202) is a robust analog input module designed for integration with the CS31 system bus, offering high flexibility for temperature and voltage measurements in industrial automation environments.
Key Features and Functionality
General Specifications
- Number of Inputs: 8 analog inputs (configurable in pairs).
- Supported Signal Types:
- Temperature sensors (Pt100, Pt1000, or other resistors).
- Voltage inputs (±10 V, ±5 V, ±500 mV, ±50 mV).
- Current inputs (0–20 mA, 4–20 mA with external shunt).
- Thermocouples (Type J, K, S).
- Supply Voltage: 24 V DC.
- Power Consumption: Max. 3 W.
- Electrical Isolation:
- Isolated from the CS31 system bus and supply voltage.
Technical Data for Analog Inputs
Voltage Inputs
- Input Resistance: > 1 MΩ.
- Measuring Ranges: ±10 V, ±5 V, ±500 mV, ±50 mV.
- Resolution: 12-bit + sign.
- Total Error: < ±0.5% of full scale.
Current Inputs
- Supported Ranges: 0–20 mA, 4–20 mA (via 250 Ω external shunt).
- Error Margin: < ±0.5% of full scale + shunt tolerance.
Pt100/Pt1000 Inputs
- Temperature Range: -50°C to +400°C.
- Resolution: 12-bit + sign (1 LSB = 0.1°C).
- Evaluation Error:
- Pt100: ±0.5% of full scale.
- Pt1000: ±1.0% of full scale.
- Constant Current Sinks:
- Pt100: 2 mA.
- Pt1000: 0.2 mA.
Thermocouple Inputs
- Supported Types:
- Type J (Fe-CuNi): 0°C to 1200°C.
- Type K (NiCr-NiAl): 0°C to 1372°C.
- Type S (Pt10Rh-Pt): 0°C to 1600°C.
- Resolution: 12-bit + sign (1 LSB = 0.4°C).
- Evaluation Error: ±0.5% of full scale.
- Internal Reference Junction: Compensates for ambient temperature variations.
Line Frequency Suppression
- Configurable for 50 Hz, 60 Hz, or none.
- Suppression Delay:
- 20.0 ms (50 Hz).
- 16.7 ms (60 Hz).
Update Period per Channel
- Suppression Active: Typical 100 ms.
- No Suppression: Typical 30 ms.
- Thermocouples with Suppression: Typical 150 ms.
Mechanical and Installation Details
- Dimensions: 120 × 140 × 85 mm.
- Weight: 450 g.
- Mounting Options:
- DIN rail (EN 50022-35, 15 mm deep).
- Screw mounting (4 × M4 screws).
- Terminal Blocks:
- Removable with screw-type terminals.
- Max conductor cross-section: 2.5 mm².
- Installation Position:
- Vertical with terminal connectors pointing up and down.
- Ensure natural convection cooling is not obstructed.
Diagnostic and Status Features
- LED Indicators:
- 17 LEDs for operation and error status.
- Error Handling:
- Unused channels should be bridged to avoid error messages.
Environmental Specifications
- Operating Temperature: 0°C to +55°C.
- Humidity: Designed for industrial conditions with proper shielding for cables.
Ordering Information
- Module: 07 AI 91.
- Order Number: GJR5 2516 00 R0202.
- Scope of Delivery:
- Analog Input Module 07 AI 91.
- 1 × 3-pole terminal block.
- 3 × 5-pole terminal blocks.
- 2 × 9-pole terminal blocks.
Applications
The ABB 07 AI 91 is suitable for:
- Industrial automation requiring precise temperature and voltage measurements.
- Systems leveraging the CS31 system bus for communication.
- Applications needing flexible sensor configurations, including thermocouples and resistance temperature detectors (RTDs).
About Us
Meloauto – Your Trusted Supplier for Original, Brand-New PLC and DCS Parts Meloauto offer a vast selection of products from globally recognized brands, including Allen Bradley, Bently Nevada, Honeywell, ABB, GE Fanuc, Siemens, Invensys Triconex, ICS Triplex, Foxboro, Yokogawa, Schneider, and Hima, among others. With tens of thousands of new parts ready to ship, Meloauto has successfully served customers across over 50 countries worldwide. We focus on supplying discontinued and hard-to-find items, ensuring each product is in brand-new, original condition.Contact Us
- Phone: +86-15915488782
- Email: [email protected]
- WhatsApp: +8615915488782
- Business Hours: 24/7 service
- Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China
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