Mitsubishi A1SJ71AT23BQ — The Mitsubishi A1SJ71AT23BQ module is designed as a local station data link module for efficient communication in automation systems

Part number	A1SJ71AT23BQ
Brand	Mitsubishi
Description	The Mitsubishi A1SJ71AT23BQ module is designed as a local station data link module for efficient communication in automation systems
Manufacturer	Mitsubishi
Product Line	A Series
Part Number	A1SJ71AT23BQ
Weight	4.56 lbs (2.07 kg)
Module Type	Local Station Data Link Module
Communication Speed	125 kbps / 250 kbps / 500 kbps / 1 Mbps
Communication Method	Half duplex bit serial method
Synchronization Method	Frame synchronization method
Network Topology	Bus method
Overall Cable Distance	125 kbps: 1200 m, 250 kbps: 600 m, 500 kbps: 400 m, 1 Mbps: 200 m
Max Number of Connected Stations	32 stations (1 master station, 31 local/remote I/O stations)
Modulation Method	NRZI method
Transmission Format	HDLC compliant (frame type)
Error Control System	CRC (X^16 + X^12 + X^5 + 1) with retries and timeover
Communication Cable Type	Shielded twisted pair cable
Applicable Connector	Terminal block
Occupied I/O Points	32 points (I/O assignment: Intelligent 32 points)
Internal Current Consumption (5 V DC)	0.66 A
Operating Temperature Range	0 to 55°C

The Mitsubishi A1SJ71AT23BQ module is designed as a local station data link module for efficient communication in automation systems. It supports multiple communication speeds and connects several stations within a specific network topology.

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.