Mitsubishi A1S64AD — The Mitsubishi MELSEC-A A1S64AD module is an A/D converter module

Part number	A1S64AD
Brand	Mitsubishi
Description	The Mitsubishi MELSEC-A A1S64AD module is an A/D converter module
Manufacturer	Mitsubishi
Product Line	A Series
Part Number	A1S64AD
Weight	1.13 lbs (0.51 kg)
Module Type	A/D converter module
Analog Input Signals	Voltage: -10 to 0 to +10VDC (input resistance 1MΩ); Current: -20 to 0 to +20mA (input resistance 250Ω)
Digital Input Signals	16-bit coded binary
Maximum Conversion Speed	20ms/channel
Maximum Absolute Input	Voltage ±15V; Current ±30mA
No. of Analog Input Points	4 channels/module
Isolation Method Between Input Terminal and PLC Power Supply	Photocoupler isolation
Dielectric Withstand Voltage Between an Input Terminal and PLC Power Supply	500V AC for 1 minute
Insulation Resistance Between an Input Terminal and PLC Power Supply	5MΩ or more (measured with a 500V DC insulation resistance tester)
No. of Occupied Input/Output Points	Special 32 points
Connection Terminal	20-point terminal block
External Power Supply	Not required
Applicable Wire Size	0.75 to 1.5mm2
Internal Current Consumption (5VDC)	0.4A

The Mitsubishi MELSEC-A A1S64AD module is an A/D converter module. Its analog input voltage signal range is from -10 to 0 to +10VDC (input resistance: 1MΩ), and its analog input current signal range is from -20 to 0 to +20mA (input resistance: 250Ω). The A1S64AD module also supports 16-bit coded binary digital input and a maximum conversion speed of 20ms/channel. It has 4 analog input points....

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.