Mitsubishi A2SHCPU-S1 — CPU Module

Part number	A2SHCPU-S1
Brand	Mitsubishi
Category	PLC Processor
Description	CPU Module
Manufacturer	Mitsubishi
Product Type	CPU module
Product Line	A Series
Part Number	A2SHCPU-S1
Weight	1.50 lbs (0.68 kg)
Series	A Series CPUs
Control method	Sequence program control method
I/O control mode	Refresh mode/Direct mode selectable
Programming language	Sequence control, Relay symbol, logic symbol, MELSAP-II (SFC)
Processing speed (Refresh)	0.25 microseconds/step
Processing speed (Direct)	1.9 microseconds/step
Memory capacity	192k bytes (built-in RAM)
Constant scanning	10ms and 2000ms in 10ms units
Number of I/O device points	2048 points
Number of I/O points	512 points

The A2SHCPU-S1 module is a CPU module made by Mitsubishi. It is used in industrial automation systems to control the flow of programs. It features an execution rate of 0.25 microseconds/step in the refresh mode and 1.9 microseconds/step in the direct mode. It can handle I/O in both refresh and direct modes and supports multiple programming languages, including a dedicated sequence control...

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.