Process Control & Industrial Automation Solution – B&R 3AI775.6 | AI775 Series Analog Input Module
Where This Product Is Used
The B&R 3AI775.6 is a 6-channel analog input module from the AI775 series, engineered for demanding industrial environments where precise signal acquisition is critical. Engineers and system integrators deploy this module across a wide range of applications:
- Process Manufacturing: Continuous monitoring of temperature, pressure, and flow sensors in chemical plants, refineries, and water treatment facilities.
- HVAC & Building Automation: Acquisition of analog signals from temperature transmitters, humidity sensors, and pressure transducers in large-scale building management systems (BMS).
- Discrete Manufacturing: Real-time feedback from load cells, position transducers, and analog encoders on assembly lines and CNC machining centers.
- Energy & Power Generation: Monitoring of current and voltage signals in power distribution panels and renewable energy installations.
- Food & Beverage: Hygienic process monitoring with 4–20 mA transmitters for level, flow, and temperature in compliance with GMP standards.
- Packaging & Material Handling: Integration with servo drives and variable frequency drives (VFDs) for closed-loop tension and speed control.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 3AI775.6 |
| Series | AI775 |
| Manufacturer | B&R Industrial Automation |
| Module Type | Analog Input Module |
| Number of Channels | 6 |
| Input Signal Types | 4–20 mA / 0–10 V (configurable per channel) |
| Resolution | 12-bit / 16-bit (model dependent) |
| Isolation | Channel-to-bus isolation |
| Communication Bus | B&R X2X Link / Fieldbus compatible |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -25 °C to +70 °C |
| Protection Rating | IP20 |
| Weight | 280 g |
| Mounting | DIN Rail |
| Certifications | CE, UL, cUL |
Note: Specifications are based on B&R published data. Confirm with official datasheet for your specific revision.
Why Engineers Specify This Model
- High-Density I/O: 6 analog channels in a compact DIN-rail footprint reduces panel space and wiring complexity compared to single-channel alternatives.
- Flexible Signal Compatibility: Supports both current (4–20 mA) and voltage (0–10 V) inputs, eliminating the need for separate modules for mixed sensor types.
- Seamless B&R Ecosystem Integration: Native compatibility with B&R Automation Studio and X2X Link bus ensures zero-configuration hardware recognition and fast commissioning.
- Robust Isolation: Channel-to-bus isolation protects the controller backplane from field-side transients and ground loops common in industrial environments.
- Proven Reliability: B&R AI775 series modules are deployed in thousands of installations globally, with a documented MTBF exceeding industry benchmarks.
- Diagnostic Transparency: Built-in channel diagnostics (wire-break, over-range detection) surface faults directly in Automation Studio for rapid troubleshooting.
Complete System Bill of Materials
For a complete B&R analog input subsystem, engineers typically specify the following alongside the 3AI775.6:
- B&R X20 CPU / Controller – e.g., X20CP1586 or X20CP3586 for X2X Link master
- B&R X20 Power Supply – e.g., X20PS9400 (24 VDC bus power supply)
- B&R X20 Bus Controller – e.g., X20BC0083 for POWERLINK or X20BC0073 for Modbus TCP
- Field Wiring Terminals – Compatible terminal blocks for 0.5–2.5 mm² conductors
- DIN Rail & Enclosure – 35 mm DIN rail, minimum 150 mm panel depth recommended
- 24 VDC Field Power Supply – For powering 2-wire transmitters (loop-powered sensors)
- Shielded Instrumentation Cable – Twisted-pair shielded cable for analog signal runs >3 m
Compliance & Industry Standards
- CE Marking – Compliant with EU Low Voltage Directive (LVD) and EMC Directive
- UL / cUL Listed – Recognized for use in North American industrial control panels
- IEC 61131-2 – Programmable controller hardware standard compliance
- RoHS Compliant – Restriction of Hazardous Substances Directive (EU 2011/65/EU)
- REACH Compliant – No substances of very high concern (SVHC) above threshold
- EMC: EN 61000-4 Series – Immunity to ESD, radiated RF, and conducted disturbances
Quality Assurance & Sourcing
Konmask.com sources B&R automation components through established industrial distribution channels. Every unit undergoes the following before dispatch:
- Visual inspection for physical damage, label integrity, and connector condition
- Verification of part number and revision markings against order specifications
- Anti-static packaging with humidity indicator cards for long-term storage protection
- Traceability documentation available upon request (batch/lot records)
We do not sell counterfeit, refurbished-as-new, or grey-market components. All stock is sourced from authorized channels or verified surplus with full disclosure.
How to Source This Part
Ready to order the B&R 3AI775.6? Here’s how to get started:
- Add to Cart: In-stock units ship within 1–3 business days from our warehouse.
- Request a Quote: For volume orders (5+ units), contact us for tiered pricing and lead time confirmation.
- Cross-Reference: Need a compatible alternative? Contact our engineering team with your application requirements.
- Datasheet & Documentation: Official B&R datasheets and user manuals available on request via support@konmask.com.
- Export & International Orders: We ship globally. Contact us for customs documentation, HS code confirmation, and freight options.
Application-Specific FAQ
- Q: Is the 3AI775.6 compatible with B&R X20 system backplanes?
- A: The AI775 series is designed for B&R’s modular I/O architecture. Confirm bus compatibility (X2X Link vs. legacy bus) with your specific CPU generation before ordering.
- Q: Can I mix 4–20 mA and 0–10 V sensors on the same module?
- A: Yes. Each channel is independently configurable via Automation Studio software parameters, allowing mixed sensor types within a single module.
- Q: What is the maximum cable length for analog signal wiring?
- A: B&R recommends shielded twisted-pair cable. For 4–20 mA current loops, runs up to 300 m are typical; for 0–10 V voltage signals, keep runs under 30 m to minimize noise pickup.
- Q: Does this module support HART protocol?
- A: The standard 3AI775.6 does not natively support HART. For HART-enabled analog input, consult B&R’s dedicated HART I/O modules.
- Q: What happens if a sensor wire breaks?
- A: The module provides wire-break detection on current input channels. A diagnostic flag is raised in Automation Studio, and the channel output defaults to a configurable safe value.
- Q: Is this module suitable for use in hazardous (Ex) areas?
- A: The standard 3AI775.6 is rated IP20 and is not ATEX/IECEx certified for Zone 1/2 hazardous areas. Use appropriate safety barriers or isolators if deploying in Ex zones.
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