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西門子PLC模塊 6ES7331-7NF10-0AB0 原裝現貨，需要聯系
SIMATIC S7-300, ANALOG INPUT
SM 331, OPTICALLY ISOLATED,
8 AE; +/-5/10V, 1-5 V, +/-20MA,
0/4 TO 20MA, 16 BIT,
1 COMMON POINT(60 V COM.),
4 CHANNEL MODE: 10 MS,
8 CHANNEL MODE: 23-95 MS,
1 X 40 PIN
