
MITSUBISHI ELECTRIC A1SJ1AT21B DATA LINK UNIT Used
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The Mitsubishi Electric A1SJ1AT21B Data Link Unit extends MELSEC A Series PLC systems with reliable controller-to-controller and controller-to-device data exchange. Designed for demanding industrial automation environments, it simplifies networked control and improves visibility across production lines and machine cells.
Engineered for the MELSEC A platform, this slot-mounted communication module interfaces directly with the A-series system bus for low-latency data transfer. Its robust design supports continuous operation in control cabinets, minimizing wiring complexity and enabling scalable architectures from standalone machines to distributed I/O. Seamless backplane integration ensures predictable performance and straightforward maintenance within existing Mitsubishi Electric installations.
Whether you are upgrading legacy assets or standardizing on proven PLC communication, the A1SJ1AT21B helps reduce downtime and accelerate commissioning, and your investment is further protected with a 1-year warranty supported by our professional after-sales service.
- Brand: Mitsubishi Electric
- Series: MELSEC A Series
- Model: A1SJ1AT21B
- Module type: Data link unit
- Platform compatibility: MELSEC A base rack (A/AnS)
- Power supply: Backplane powered from PLC rack
- Backplane interface: A-series system bus
- Installation: Slot-mounted on A-series base unit