SIMATIC S7-300,模拟输入 SM 331,电位隔离, 8 个模拟输入; +/-5/10V,1-5V,+/-20mA,0/4 至 20mA,16 位(55ms), 单共用根系(50V COM.), 1个 40针
SIMATIC S7-300, Analog input SM
331, isolated, 8 AI; +/-5/10V,
1-5 V, +/-20 mA, 0/4 to 20 mA,
16 bit (55ms), Single rooting
(50 V COM.), 1x 40-pole