6ES7870-1AA01-0YA1                       6ES7870-1AA01-0YA1 6ES7870-1AA01-0YA1                       6ES7870-1AA01-0YA1 6ES7870-1AA01-0YA1                       6ES7870-1AA01-0YA1 SIMATIC S7, MODBUS MASTER  V3.1SINGLE LICENSE F.1 INSTALLATIONR-SW, WITHOUT SW AND DOCU.,HW-DONGLE, CLASS A,3 LANGUAGES (G,E,F),EXECUTABLE U. STEP7 FROM V4.2,REFERENCE-HW: CP341 AND CP441-2Ô­×°ÏÖ»õ¹©Ó¦£¬È«Ð°ü×°£¬ÊÛºó·þÎñÆëÈ«