The manual number is noted at the lower lerr of the back cover
Mitsubishi Manual A7GT-BUS2-EUN PDF GT15-75QBUS2L MES Interface Function Manual(for GT A7GT-BUS2-EUN Manual Works3).
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BUS2 A7GT-BUS2-EUN Manual A7GT-BUS2-EUN PDF Connection Unit GT15-75QBUS2L Manual PDF.
Mitsubishi A9GT-QBUS2S A7GT-BUS2-EUN User's Manual PDF Manual.
GT15-QBUS2 MES Interface Functioon A7GT-BUS2-EUN Manual Manual Mitsubishi Manual.
Mitsubishi Manual MR-J2HBUS2M-A A7GT-BUS22-EUN A7GT-BUS2-EUN PDF User's Manual Specifications and Installation Manual.