Mitsubishi A1NCPUP21 — CPU Module

Part numberA1NCPUP21
BrandMitsubishi
CategoryPLC Processor
DescriptionCPU Module
ManufacturerMitsubishi
Product LineA Series
Part NumberA1NCPUP21
Weight3.81 lbs (1.73 kg)
ProductCPU Module
Control SystemStored program and repeated operation
I/O Control ModeSelectable refresh/direct mode
I/O Points256
Watchdog Timer10 to 2000ms
Memory Capacity16 KB
Maximum Ambient Humidity80%, non-condensing
Operating Temperature0°C to 40°C
Storage Temperature-25 to 65°C
Maximum Altitude1000m above sea level
Main Sequence Program Capacity6K steps

The A1NCPUP21 CPU module from Mitsubishi is designed for efficient control systems using stored and repeated operations. It offers an I/O control mode that can be set to either refresh or direct, which enhances its versatility in various applications.

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.

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