Mitsubishi A1SS91 — Analog Input/Output Module

Part numberA1SS91
BrandMitsubishi
CategoryI/O Module
DescriptionAnalog Input/Output Module
ManufacturerMitsubishi
Product TypeAnalog Input/Output Module
Product LineA Series
Part NumberA1SS91
Weight3.00 lbs (1.36 kg)
Number of Channels4 channels (configurable for input/output)
Input TypeAnalog voltage or current signals
Output TypeAnalog voltage or current signals
Input Voltage Range±10V or 0-10V (depending on configuration)
Input Current Range4-20 mA (typical)
Output Voltage Range±10V or 0-10V (depending on configuration)
Output Current Range4-20 mA (typical)
Resolution12-bit or 14-bit (depending on configuration)
Accuracy±0.1% of full scale (typical)
Sampling RateTypically 50 ms per channel
IsolationChannel-to-channel isolation
Mounting TypeDIN rail or direct mounting
Power SupplyPowered by the PLC base unit

Mitsubishi's A1SS91 is a versatile analog input/output module that supports flexible configurations. It features four channels, enabling users to manage both input and output signals effectively.

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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