《S7-200 SMART CPU S7 通信 例程》
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/Ethernet/S7/S7_Sample.htm
《S7-200 SMART CPU PROFINET 通信 例程》
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/Ethernet/PROFINET/PROFINET_sample.htm
《S7-200 SMART之间TCP通信例程》
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/Ethernet/TCP/SMART_TCP_Sample.html
《Modbus RTU例程》
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/serial_port/modbus/Master_sample.htm
《S7-200 SMART 通信》
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/smartsms/038.html
《WinCC 与S7-200 SMART CPU 的 OPC 通信》
http://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/opc/step7opc/wincc_opc.htm

https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/smartsms/081.html