ABB TB845 3BSE021437R1 S800 I/O Redundant ModuleBus Cable Adaptor

Description

The ABB TB845 is a redundant ModuleBus cable adaptor for S800 I/O clusters, connecting dual cables to the first MTU. It ensures uninterrupted communication between the AC 800M controller and I/O modules, maintaining process continuity even if one cable fails.

Specifications

• Manufacturer: ABB

• Model Number: TB845

• Order Number: 3BSE021437R1

• Product Type: Redundant ModuleBus Adaptor

• Compatibility: S800 I/O Redundant Bus Architecture

• Interface Ports: Dual ModuleBus Cable Inlets

• Mounting: Left-hand side of the I/O cluster

• Current Consumption: Passive (No external power required)

• Temperature Range: 5 to +55°C (Operating)

• Weight: 0.12 kg

Features

• Dual Path Connectivity: Accommodates two separate ModuleBus cables to create a fault-tolerant communication link for distributed I/O.

• System Availability: Supports seamless switching between primary and secondary bus lines, preventing system downtime during cable maintenance or failure.

• Passive Integrity: Constructed as a high-reliability passive unit to minimize internal failure points within the communication chain.

• Secure Latching: Equipped with industrial-grade locking mechanisms to maintain stable cable connections in high-vibration environments.

• Compact DIN-Rail Integration: Designed to snap directly onto the side of S800 termination units, optimizing space within the control cabinet.

• Error Prevention: Mechanical design ensures correct orientation and pairing with redundant S800 I/O bus architectures.