A2ushcpu S1
Overview
Product sourcing insights & recommendations


The A2USHCPU-S1 is a high-performance PLC CPU from Mitsubishi's legacy MELSEC-A series, featuring a 30K step program capacity and a fast 0.09 µs/step processing speed. While officially in a legacy/discontinued status, it remains critical for maintaining existing industrial lines.
The market is currently divided between high-cost official factory stock (approx. $5,700+) and a highly active B2B secondary market where refurbished units range from $75 to $350. Key trends include a steady demand for maintenance spares and a gradual shift toward migrating these systems to the modern MELSEC-Q or iQ-R series. Detailed technical specifications, lifecycle insights, and B2B pricing data are provided in the attached files.
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A2ushcpu S1 Mitsubishi Plc Cpu Unit
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Sources & References
23 sources cited · Verified industry data & reports

A2USHCPU-S1 - CPU Units
MITSUBISHI ELECTRIC Global website
A2USHCPU-S1 - Programmable Logic Controller (PLC) CPU unit - Mitsubishi Electric (MELSEC-A AnS series) - 30Ksteps (Program) memory capacity - connection ...

A2USHCPU-S1 Mitsubishi (Melsec-A CPU Module)
ArtisanTG
A2USHCPU-S1 Mitsubishi · Direct Mode Processing Speed: 1.0 to 2.3 μs/Step · Watch Dog Timer: 10 to 2000ms · Stop or Continue Selectable Operation Mode.

Mitsubishi A2USHCPU-S1 - In Stock Ships Overnight
PDF Supply
Many large and complex control programs may be run on the A2USHCPU-S1 CPU unit thanks to its large program memory capacity of 30K steps. It can also host 8192 X ...

Mitsubishi A2USHCPU-S1 - In Stock Ships Overnight
DO Supply
It has a main program capacity of up to 30,000 steps and an I/O capacity of 8192 I/O device points, and it can be used for complex automation tasks. Its ...
A2USHCPU-S1 - User's Manual IB( ...
Sirius Factory Automation srl
Changes in product specifications. The specifications given in the catalogs, manuals or technical documents are subject to change without prior notice. IB(NA)- ...

Mitsubishi A2USHCPU-S1 CPU Unit 30K Step
Industrial Parts R Us
Mitsubishi A2USHCPU-S1 CPU Unit 30K Step. Mitsubishi. MSRP: Now: $30.00.
