发布于 2015-03-20 10:47:33
1楼
ET200SP是走profnet ,接线上非常紧凑
http://www.industry.siemens.com.cn/automation/cn/zh/automation-systems/industrial-automation/distributed-io-simatic-et200/ip20-systems/et-200sp/Pages/peripheral-modules.aspx#%E6%8F%8F%E8%BF%B0
工控人生