ABB TB850 3BSC950193R1 CEX-Bus Termination Unit

Description

The ABB TB850 is a CEX-Bus terminator for the AC 800M controller, ensuring proper bus impedance and preventing signal reflections. It maintains reliable communication between the processor and interface modules, supporting stable operation of systems using expansion ports.

Specifications

• Manufacturer: ABB

• Model Number: TB850

• Order Number: 3BSC950193R1

• Product Type: CEX-Bus Terminator

• Compatibility: ABB AC 800M Controllers (PM8xx series)

• Function: End-of-line impedance matching

• Installation: Plugs into the last CEX-Bus interface or processor unit

• Mounting: Direct plug-in

• Operating Temperature: 5 to +55°C

• Weight: 0.03 kg

Features

• Signal Integrity Enhancement: Eliminates data transmission errors by absorbing electrical reflections at the end of the high-speed expansion bus.

• Plug-and-Play Design: Features a standardized connector for rapid installation onto the baseplate of the last communication module in the stack.

• Passive Reliability: Contains high-precision resistive elements with no active electronic components, ensuring a high Mean Time Between Failures (MTBF).

• System Requirement: Mandatory for all AC 800M configurations to ensure the controller correctly identifies the bus boundary.

• Compact Form Factor: Low-profile design ensures it does not interfere with cabinet wiring or adjacent hardware modules.

• Robust Connectivity: Gold-plated contact points provide long-term resistance to oxidation and ensure a consistent electrical connection in industrial environments.