FMBT-21

Overview

FMBT-21 is an ABB Modbus/TCP adapter module designed for industrial drives, enabling Ethernet-based communication with Modbus/TCP protocol, conformal-coated PCB, and LED indicators for status monitoring.

Indicators & Connectors

• Indicators: 3 bicolor LEDs (HOST, MODULE, NETWORK/NET)

• Drive connector: 20-pin

• Ethernet connector (X1): RJ-45

• Chaining connector (X2): RJ-45

Power Supply

• Voltage: +3.3 V ±5 %

• Current consumption: ≤400 mA (supplied by drive)

Ethernet Link

• Compatible devices: IEEE 802.3 / 802.3u

• Standards: 10BASE-TX / 100BASE-TX

• Features: Auto-negotiation, Auto-MDIX (auto-crossover)

• Medium wiring: CAT5e/6 S/FTP, S/STP, SF/FTP

• Connector: RJ-45

• Termination: Internal

• Segment length (max.): 100 m (328 ft)

• Topology: Bus or star

• Nodes (max. chain): 50

Communication

• Transfer rate: 10 Mbps / 100 Mbps

• Serial communication: Half-duplex / full-duplex

• Protocol: Modbus/TCP

• Connections: 2

Dimensions & Weight

• Depth/Length: 120 mm

• Height: 25 mm

• Width: 80 mm

• Weight: 0.25 kg

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