ABB TK821F 3BDM000150R1 Serial Communication Cable

Technical Overview

The TK 821F (3BDM000150R1) is a specialized 0.5-meter prefabricated serial cable designed for the ABB Freelance and AC 800F controller families. It provides a dedicated two-channel link between the FI 820F fieldbus interface module and the TB 870F terminal block. This short-run cable is engineered to maintain high signal integrity for serial data transmission in industrial automation environments, ensuring a secure and vibration-resistant connection.

Detailed Technical Specifications

• Manufacturer: ABB

• Article Number: 3BDM000150R1

• Model Identification: TK 821F (Identical to DFA 021)

• Product Type: Prefabricated Serial Cable

• Length: 0.5 meters

• Channels: 2-channel support

• Weight: 0.1 kg

• HS Code: 854442 (Insulated wire with connectors)

• Compatibility: Specifically for FI 820F to TB 870F connections

• Environmental: Not RoHS compliant; Not within WEEE scope

Key Features

• Dual-Channel Integration: Supports two independent serial communication paths within a single cable assembly.

• Integral Connectors: Features factory-molded connectors that ensure proper pin alignment and prevent signal intermittent faults.

• Compact Footprint: The 0.5m length is optimized for intra-cabinet wiring, reducing cable clutter and minimizing electromagnetic interference (EMI) pickup.

• Plug-and-Play: Standardized design allows for rapid replacement and commissioning without the need for manual pin-out verification.