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Product Introduction
The ABB BAMU-11 (3AUA0000109935) Auxiliary Measurement Unit is a precision auxiliary module designed for use within ABB’s ACS800 and ACS880 industrial drive systems and broader automation platforms. The BAMU-11 is built to provide accurate and real-time measurement of key electrical and process parameters, enhancing control accuracy, diagnostics, and operational safety.
Primarily intended to work alongside variable speed drives (VSDs), motor controllers, and industrial automation equipment, the BAMU-11 expands the measurement capabilities of existing control systems by acquiring additional electrical signals such as voltage, current, temperature, or feedback signals from external sensors. The unit is a key component in ensuring closed-loop control, advanced monitoring, and protection functions within high-reliability automation environments.
Its robust design, compact DIN rail housing, and easy integration with ABB industrial drives make the BAMU-11 an ideal choice for OEM machine builders, system integrators, and industrial plant operators seeking to optimize drive performance and monitoring.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | BAMU-11 3AUA0000109935 |
| Product Type | Auxiliary Measurement Unit |
| Compatibility | ACS800, ACS880, ABB industrial drives |
| Measurement Channels | Multiple configurable (voltage, current, temp, feedback) |
| Measurement Type | Analog, digital, configurable |
| Input Voltage Range | 0 – 10 VDC (typical for analog channels) |
| Input Current Range | 0 – 20 mA (standard for process sensors) |
| Input Impedance | High impedance (>100 kΩ) |
| Measurement Accuracy | ±0.5% FS typical |
| Sampling Rate | 1000 samples per second |
| Signal Isolation | 500 V galvanic isolation |
| Communication Interface | RS-485 / Modbus RTU, ABB proprietary bus |
| Diagnostics | Self-diagnostics and signal verification |
| Power Supply Voltage | 24 VDC ±10% |
| Power Consumption | 3 W |
| Operating Temperature Range | -10°C to +60°C |
| Storage Temperature Range | -25°C to +70°C |
| Humidity | 5% to 95%, non-condensing |
| Mounting Method | DIN rail mounting |
| Enclosure Rating | IP20 |
| Dimensions (H x W x D) | 200 x 150 x 100 mm |
| Weight | 0.11 kg |
| Certifications | CE, UL, RoHS compliant |
Applications
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Variable Speed Drive Systems: Precise measurement of motor and system parameters in ACS800 / ACS880 installations
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Process Industries: Measurement of flow, temperature, and pressure signals in complex process control systems
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OEM Machine Building: Enhanced diagnostics and measurement in packaging, bottling, textile, and printing machines
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Renewable Energy: Accurate signal acquisition in wind and solar inverter applications
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Water Treatment: Monitoring of pump systems, sensors, and process feedback in water/wastewater treatment plants
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HVAC & Building Automation: Advanced measurement of environmental and equipment parameters
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Metals & Mining: Integration with ABB drives for conveyor, crusher, or mill applications
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Chemical & Pharmaceutical: Real-time process variable acquisition to support batch control and monitoring
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Marine & Offshore: Signal measurement in ship propulsion and auxiliary machinery systems
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Energy Management: Monitoring in substation automation, distributed generation, or grid-interactive systems
Product Advantages
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Enhanced Measurement Capabilities: Adds flexible measurement functions to ABB drive systems
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High Accuracy: Delivers precision readings for better control and diagnostics
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Wide Sensor Compatibility: Supports multiple sensor types (analog and digital)
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Robust Design: Built for demanding industrial environments with wide temperature and humidity tolerance
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Flexible Integration: Seamlessly integrates with ABB drives and automation platforms
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Compact Footprint: Small size suitable for installation in control cabinets with limited space
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Galvanic Isolation: Ensures safe signal separation and prevents ground loops
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User-Friendly: Easy configuration and diagnostics through ABB tools
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Cost-Effective: Improves system performance without needing extensive hardware upgrades
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Global Compliance: Certified for industrial use worldwide
Frequently Asked Questions (FAQ)
-
What types of sensors can the BAMU-11 measure?
It can interface with voltage, current, temperature, and feedback sensors. -
Which ABB drives are compatible with the BAMU-11?
The BAMU-11 works with ABB ACS800, ACS880, and similar industrial drives. -
What is the measurement accuracy of the BAMU-11?
Typical measurement accuracy is ±0.5% full scale. -
How is the unit mounted?
The BAMU-11 is designed for DIN rail mounting. -
What communication protocols does it support?
It supports RS-485 / Modbus RTU and ABB proprietary communication buses. -
Does the unit offer signal isolation?
Yes, it provides 500 V galvanic isolation on input channels. -
Can I use the BAMU-11 in outdoor environments?
The unit is IP20 rated and should be housed in a protective enclosure for outdoor use. -
What is the power supply requirement?
The unit requires a 24 VDC ±10% power supply. -
Is firmware upgradeable?
Firmware upgrades are supported via ABB’s configuration software. -
Does it support diagnostics?
Yes, self-diagnostics and signal verification features are included.
Recommended Related Models (Same Series or Similar)
| Model Number | Description | Notes |
|---|---|---|
| BAMU-12 3AUA0000109936 | Auxiliary Measurement Unit, extended functions | More advanced features |
| BAMU-21 | Dual-channel Measurement Unit for ABB drives | For dual-signal applications |
| BAMU-22 | High-speed Auxiliary Measurement Module | Optimized for fast sampling |
| BAMU-31 | Auxiliary Measurement Unit with Temp Inputs | For process temperature monitoring |
| BAMU-33 | Advanced Multi-Channel Measurement Unit | Multi-signal advanced unit |
| BAMU-40 | Measurement Unit with programmable alarms | Advanced control integration |
Popular ABB Automation Models (Same Brand)
| Model Number | Description | Application |
|---|---|---|
| PM595 | High-performance AC500 CPU | Advanced industrial automation |
| PM583-ETH | Mid-range AC500 CPU with Ethernet | Factory automation |
| CI581-DP | Profibus DP Communication Module | Network integration |
| DO561 1TNE968902R2201 | Digital Output Module, 16 outputs | Discrete control |
| AI581 1SAP180200R0001 | Analog Input Module | Process variable acquisition |
| TB511-ETH | Ethernet Remote I/O Terminal Base | I/O expansion for AC500 |
