ABB TB806
ABB TB806 - Image 2

ABB TB806

Product Brief:​ TB806 is the legacy catalog name​ for the S800 I/O termination unit — it is the passive base onto which S800 modules mount, identical in function to TB511 (basic) / TB521 (with HN800 prep). If you have a spare list with TB806, order TB521-ETH (or TB511 if no ETH cutouts needed)​ — they are backward-compatible with all S800 modules. TB806 appeared in early S800 brochures (late 1990s–2000s) — modern BOMs use TB5xx numbering.

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Category: SKU: ABB TB806

Description

ABB TB806

Product Name:​ ABB TB806 S800 I/O Termination Unit — Early-Generation S800 I/O Base Termination Unit (Equivalent to TB511/TB521 Family) for Local or Remote S800 I/O Racks; Accepts up to 12 S800 Modules, Provides ModuleBus & Power Distribution; “806” Is Legacy Catalog Number — Modern Equivalent = TB521-xxx or TB511-xxx

  • Technical Specs / Features / Apps / Structure / Working Principle / Installation / Precautions:​ Identical to TB521 described above — see TB521 section. Key point: TB806 ≠ TB820 (TB820 is the BC820 redundant baseplate for AC 800M CPUs, not an S800 I/O TU — do NOT confuse).

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