Mitsubishi Ethernet module A1SJ71E71N-B5T supports 10BASE-T/10BASE5. It is a key product manufactured by Mitsubishi Electric in Dalian. The PLC uses a programmable memory to store user programs, executing logic, sequence, timing, counting, and arithmetic operations. It controls machinery or processes via digital or analog I/O. The CPU interprets user programs from the programmer into an internal executable format.