The ABB Advant AC 800M is a modular and scalable controller series designed to provide high-performance automation for industrial processes. As part of the ABB System 800xA architecture, the AC 800M is recognized for its versatility in handling diverse communication protocols and high-density I/O requirements. Even as certain modules reach their "Limited" or "Obsolete" lifecycle stages, maintaining these systems is essential for operational continuity.
Moore Automation specializes in sourcing and supplying discontinued and hard-to-find ABB AC 800M components. We provide a reliable inventory of surplus and new-old-stock parts, helping plants avoid the high costs and risks associated with premature system-wide replacements.
Our inventory covers the essential hardware required to maintain or expand your AC 800M distributed control system (DCS):
The AC 800M serves as a technical bridge for legacy Advant OCS and MOD 300 systems transitioning toward System 800xA. This evolution allows for phased hardware updates rather than a complete "rip-and-replace" strategy.
| Evolution Aspect | Legacy Status | AC 800M Migration Path |
|---|---|---|
| Controller Level | Older AC 410/450 or MOD 300 hardware | Replace aging processors with AC 800M to increase logic capacity while retaining core logic. |
| I/O Integration | S100 I/O Racks | Utilize interfaces like the CI856 to allow AC 800M controllers to drive existing S100 I/O, protecting wiring investments. |
| Network | Serial or proprietary MB300 bus | Transition to Ethernet-based architectures via AC 800M for improved data throughput and 800xA integration. |
Redundancy support and required components depend on the exact processor and system version. Check the approved CPU pair, firmware, RCU link and CEX-Bus arrangement in the applicable ABB manual. BC810 or BC820 requirements depend on the selected configuration; do not assume that one interconnection unit is mandatory for every redundant installation.
Check the exact S800 I/O module, its module termination unit and the applicable ABB replacement procedure. TP830 is a processor baseplate and should not be used as a general example of an S800 I/O termination unit. Online replacement also requires review of the installed configuration and site approval by qualified personnel.
Confirm the exact hardware revision, installed firmware and applicable Control Builder M and system requirements against ABB documentation. We can help review item identification, but final compatibility and commissioning approval remain with the customer’s qualified engineering team.
Moore Automated supplies new and unused AC800M parts, including new surplus. We do not sell used, dismantled or refurbished units. New surplus may have older packaging, date codes or revisions; the actual condition and required identifiers are confirmed in the quotation.
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