Product Description: B&R 7AI261.7 Analog Input Module

Model Number: 7AI261.7

Brand: B&R (Bernecker + Rainer Industrie-Elektronik Ges.m.b.H.)

Product Line: System 2003 / X20 I/O Series

Product Type: High-Precision Analog Input Module

1. General Description

2. Technical Specifications

2.1 Core Interface & Signal Input

• Input Channels: 7 differential analog input channels

• Supported Signal Types:

  • Voltage: ±10 V, ±5 V, 0–10 V, 0–5 V

  • Current: 0–20 mA, 4–20 mA

• Resolution: 16-bit (High-resolution ADC)

• Sampling Rate: 1 kS/s (1,000 samples per second) per channel

• Measurement Accuracy: ±0.1% of full-scale range (FSR)

• Input Impedance: > 1 MΩ (voltage inputs) / 50 Ω (current inputs)

2.2 Electrical Data

• Power Supply: 24 VDC (nominal), range: 19.2 VDC – 28.8 VDC

• Power Consumption: Typical 120 mA / Max. 2 W

• Isolation: Channel-to-channel and channel-to-bus galvanic isolation

• Isolation Voltage: 500 VAC (test voltage, 1 minute)

• Protection: Reverse polarity protection, overvoltage protection

2.3 Physical Characteristics

• Dimensions (W x H x D): 22.5 mm x 100 mm x 99 mm

• Weight: Approx. 100 – 140 g

• Housing: Industrial-grade plastic, compact modular design

• Connection: Removable screw-type terminal block

• Mounting: Standard DIN-rail mounting (35 mm)

2.4 Environmental Ratings

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -25°C to +85°C

• Relative Humidity: 10 – 95% (non-condensing)

• Vibration/Shock Resistance: Complies with IEC 60068-2-6 / IEC 60068-2-27

• Protection Class: IP20 (front/rear)

2.5 System Integration

• Bus Interface: X2X Backplane Communication (for B&R System 2003 / X20 I/O)

• Diagnostics: Built-in channel status monitoring, error reporting

• Configuration: Software-configurable input ranges via B&R Automation Studio

3. Key Features & Advantages

• High-Precision Acquisition: 16-bit resolution and ±0.1% accuracy ensure precise measurement of low-level analog signals.

• Multi-Range Versatility: 7 differential channels support both voltage and current inputs, covering all common industrial sensor ranges.

• Superior Isolation: Full galvanic isolation eliminates ground loops and protects the control system from high-voltage transients.

• Industrial Robustness: Designed for extreme temperatures, vibration, and electrical noise common in factory floors.

• Modular & Compact: Slim 22.5mm width saves valuable cabinet space; hot-swappable design simplifies maintenance.

• Seamless Integration: Native compatibility with B&R controllers (e.g., 7CPxxx series) and fully configurable via Automation Studio.

• Advanced Diagnostics: Real-time monitoring of signal quality, overload, and wire breaks for predictive maintenance.

4. Typical Applications

• Process Automation & Control Systems

• Factory Automation & Machinery

• Data Acquisition Systems (DAS)

• Test & Measurement Equipment

• Temperature, Pressure, Flow, and Level Monitoring

• Packaging, Printing, and Textile Machinery

• Material Handling Systems

• Energy Management & Power Monitoring

5. Compliance & Certifications

• Safety: CE, UL, cULus (E115267), UKCA, EACB& R Industrial Automation

• EMC: Complies with EN 61131-2, IEC 61000-6-2 / 6-4

• Environmental: RoHS compliant

6. Ordering & Warranty

• Part Number: 7AI261.7

• Country of Origin: Austria

• Warranty: Standard 12-month manufacturer warranty

• Required Accessories: DIN rail, terminal connectors (sold separately)