&sp; 功能模塊(FM)：用于計(jì)數(shù)，定位操作(開環(huán)或閉環(huán)定位)和閉環(huán)控制。
&sp; 負(fù)載電源模塊(PS)：用于將SIMATICS7—300連接到120／230V交流電源，或24／48／60／110V直流電源。
&sp; 接口模塊(1M)：用于多機(jī)架配置時(shí)連接主機(jī)架(CR)和擴(kuò)展機(jī)架(ER)。S7—300通過分布式的主機(jī)架(CR)和3個(gè)擴(kuò)展
機(jī)架(ER)，可以操作多達(dá)32個(gè)模塊。運(yùn)行時(shí)無需風(fēng)扇。
&sp; SIMATICS7—300適用于通用領(lǐng)域：高電磁兼容性和強(qiáng)振動(dòng)，沖擊性，使其具有的工業(yè)環(huán)境適應(yīng)性。
6FC5450-2AY01-4AH0
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&sp;
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2014-03-10YF
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