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Product Introduction
The ABB FMBT-21 is an advanced Modbus/TCP communication adapter module, designed to enable Ethernet-based industrial connectivity for ABB’s low voltage AC drives. This module allows ABB drives to seamlessly communicate over Modbus/TCP networks, making it an essential component for modern automation systems requiring reliable Ethernet-based fieldbus communication.
Engineered to plug directly into the drive’s fieldbus port, the FMBT-21 adapter provides efficient and deterministic control and monitoring capabilities in real time. It is fully compatible with Modbus/TCP protocol standards and integrates ABB drives into Ethernet-based architectures including SCADA, PLC, and DCS systems. The unit also supports easy commissioning and diagnostics with built-in web tools and LED status indicators.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | ABB FMBT-21 Modbus/TCP Adapter Module |
| Part Number | 3AXD50000192717 |
| Communication Protocol | Modbus/TCP (Ethernet-based) |
| Supported Network Types | 10/100 Mbps Ethernet (IEEE 802.3 compliant) |
| Connector Type | RJ-45 (x2, internal switch for daisy-chaining) |
| Drive Compatibility | ABB ACS355, ACS580, ACS880, and other ACS Series |
| Max Devices per Network | 247 devices (standard Modbus limit) |
| Status Indicators | Integrated dual-color LEDs for link, activity, error |
| Configuration Tools | Built-in web server (via browser), Drive composer |
| IP Address Assignment | DHCP / Static IP support |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% to 95% non-condensing |
| Certifications | CE, RoHS, UL, cUL |
| Dimensions (H x W x D) | 405 × 140 × 450 mm |
| Weight | 4.1 kg |
| Enclosure Rating | IP20 (when installed in drive) |
Applications
The FMBT-21 Modbus/TCP Adapter is engineered for a wide range of industrial applications where Ethernet-based communication is required for drive integration. These include:
-
Building Automation Systems
Integrates HVAC systems and energy management components into central controllers using Modbus/TCP. -
Process Industry Automation
Ensures stable communication between ABB drives and SCADA/DCS systems for oil & gas, chemical, and pharmaceutical sectors. -
Water and Wastewater Treatment
Provides Ethernet connectivity for pump and blower control applications across treatment plants. -
Material Handling and Conveyors
Enables seamless operation and status reporting of motors in automated warehouse and logistics systems. -
Food and Beverage Production Lines
Allows precise speed control and real-time feedback for mixers, conveyors, and packagers. -
Power Plants and Renewable Energy
Offers reliable and scalable Ethernet interfacing for motor-driven subsystems in turbines, solar farms, or biomass stations.
Key Advantages
-
Ethernet Modbus/TCP Connectivity
Provides standardized, high-speed communication over widely used Ethernet networks. -
Built-in Web Configuration
Easily configure and diagnose the adapter using any standard web browser—no additional software needed. -
Dual Ethernet Ports
Integrated Ethernet switch allows for daisy-chaining of multiple devices without needing an external switch. -
Drive Compatibility
Fully plug-and-play with most ABB ACS drives, eliminating the need for additional mounting hardware. -
High Data Throughput
10/100 Mbps support ensures rapid data transfer, ideal for real-time automation applications. -
Diagnostic LEDs
Immediate visual feedback for link status, activity, and fault detection ensures fast troubleshooting. -
Compact Form Factor
Space-efficient design fits within ABB drive enclosures while maintaining proper airflow. -
Future-Proof Networking
Enables migration from serial to Ethernet infrastructure, aligning with Industry 4.0 initiatives.
Frequently Asked Questions (FAQ)
-
Q: Which ABB drives are compatible with the FMBT-21 adapter?
A: It supports various models including ACS355, ACS580, ACS880, and other ACS series drives. -
Q: Does the FMBT-21 support DHCP for dynamic IP assignment?
A: Yes, it supports both DHCP and static IP configuration. -
Q: Can I connect multiple devices using the built-in ports?
A: Yes, the adapter includes two Ethernet ports with an internal switch for daisy-chaining. -
Q: Is additional software required for setup?
A: No, configuration can be done via a web browser through the built-in web interface. -
Q: Does this adapter support redundant networking?
A: No, it supports basic Ethernet networking without redundancy protocols like RSTP. -
Q: How do I know the communication status?
A: Status LEDs provide clear indicators for link status, communication activity, and error states. -
Q: Is the adapter powered externally?
A: No, the FMBT-21 is powered directly from the drive it’s connected to. -
Q: Can it be used in high-humidity environments?
A: It operates in 5% to 95% non-condensing humidity conditions and should be installed in a control cabinet. -
Q: What is the default IP address of the adapter?
A: If not using DHCP, the default static IP can be set via the drive or web interface. -
Q: What’s the maximum length of Ethernet cable I can use?
A: Standard Cat5e or Cat6 Ethernet cables can be used up to 100 meters per segment.
Related Models (Same Series or Application)
| Model | Description | Protocol | Drive Compatibility |
|---|---|---|---|
| FENA-01 | Ethernet Adapter Module | EtherNet/IP | ACS355, ACS550 |
| FENA-11 | Dual-Port Ethernet Adapter Module | Modbus TCP / EtherNet/IP | ACS580, ACS880 |
| FMBT-01 | Modbus/TCP Adapter (Previous Generation) | Modbus/TCP | Legacy ABB Drives |
| FBPA-01 | Profibus DP Communication Adapter | Profibus DP | ACS Series |
| FCAN-01 | CANopen Fieldbus Adapter | CANopen | ACS355, ACS850 |
| FECA-01 | EtherCAT Communication Adapter | EtherCAT | ACS880 Series |
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