通过标准 CAT5 电缆在现场 PG 编程设备和 PC 之间通讯。
      PG 和 SIMATIC S7-1200 的 CPU 之间的连接
SIMATIC HMI Basic 面板
      基本面板和 SIMATIC S7-1200 的 CPU 之间的连接
更多的 SIMATIC S7-1200 控制器
      通过 CSM 1277 以太网交换机连接多台设备
     点到点接口，可自由编程接口模式
通讯模块允许通过点对点连接进行的通讯。使用 RS232 和 RS485 物理传输介质。在 CPU 的“自由端口 (Freeport)”模式中执行数据传输。使用用户专用、面向比特的通讯协议（例如，ASCII 协议、USS 或 MODBUS）。
     可以连接带有串行接口的任何终端设备，例如，驱动器、打印机、条形码阅读器、调制解调器等。

4EU3052-6RA00-1B     
4EU3652-8RA00-0A     
6SE6420-2UC11-2AA1
6SE6420-2UC12-5AA1   
6SE6420-2UC13-7AA1   
6SE6420-2UC15-5AA1
6SE6420-2UC17-5AA1   
6SE6420-2UC21-1BA1   
6SE6420-2UC21-5BA1
6SE6420-2UC22-2BA1   
6SE6420-2UC23-0CA1   
6SE6420-2UC24-0CA1
6SE6420-2UC25-5CA1   
6SE6420-2UD13-7AA1   
6SE6420-2UD15-5AA1
6SE6420-2UD17-5AA1   
6SE6420-2UD21-1AA1   
6SE6420-2UD21-5AA1
6SE6420-2UD22-2BA1   
6SE6420-2UD23-0BA1   
6SE6420-2UD24-0BA1
6SE6420-2UD25-5CA1   
6SE6420-2UD27-5CA1   
6SE6420-2UD31-1CA1
6SE6400-0BP00-0AA0   
6SE6400-0AP00-0AA1   
6SE6400-0AP00-0AB0
6SE6400-1PB00-0AA0   
6SE6400-1DN00-0AA0   
6SE6400-1CB00-0AA0
6GK1500-0FC00        
6SE6400-1PC00-0AA0   
6SE6400-0PA00-0AA0
6SE6400-0PM00-0AA0
6SE6400-0MD00-0AA0
6SE6430-2UD27-5CA0
6SE6430-2UD31-1CA0
6SE6430-2UD31-5CA0
6SE6430-2UD31-8DB0
6SE6430-2UD32-2DB0
6SE6430-2UD33-2DB0
6SE6430-2UD33-7EB0
6SE6430-2UD34-5EB0
6SE6430-2UD35-5FB0
6SE6430-2UD37-5FB0
6SE6430-2UD38-8FB0

3RV13314HC10
3RV13314HC100FB0
3RV13414FC10
3RV13414FC100FB0
3RV13414HC10
3RV13414HC100FB0
3RV13414JC10
3RV13414JC100FB0
3RV13414KC10
3RV13414KC100FB0
3RV13414LC10
3RV13414LC100FB0
3RV13414MC10
3RV13414MC100FB0
3RV13424AC10
3RV13424AC100FB0
3RV13424BC10
3RV13424BC100FB0
3RV13424DC10
3RV13424DC100FB0
3RV13424EC10
3RV13424EC100FB0
3RV13424FC10
3RV13424FC100FB0
3RV13424HC10
3RV13424HC100FB0
3RV13424JC10
3RV13424JC100FB0
3RV13424KC10
3RV13424KC100FB0
3RV13424LC10
3RV13424LC100FB0
3RV13424MC10
3RV13424MC100FB0
3RV13424MC100KF0
3RV14210AA10
3RV14210AA15
3RV14210BA10
3RV14210BA15

6FX8002-2YB04-1EA0
6FX5002-2CA31-1AG0
6FX1822-1BX33-4H
6FX8002-2YC00-1BC0
6FX5002-2CA31-1AH0
6FX1822-1BX33-4H
6FX8002-2YC00-1BC0
6FX5002-2CA31-1AH0
6FX1822-1BX42-1A
6FX8002-2YG05
6FX5002-2CA31-1BA0
6FX1822-1BX42-1A
6FX8002-2YG05
6FX5002-2CA31-1BA0
6FX1822-1BX42-1D
6FX8002-2YG05-1BF0
6FX5002-2CA31-1BF0
6FX1822-1BX42-1D
6FX8002-2YG05-1BF0
6FX5002-2CA31-1BF0
6FX1822-1BX42-1G
6FX8002-2YH01
6FX5002-2CA31-1BH0
6FX1822-1BX42-1G
6FX8002-2YH01
6FX5002-2CA31-1BH0
6FX1822-1BX42-2A
6FX8002-2YH01-1CA0
6FX5002-2CA31-1BJ0
6FX1822-1BX42-2A
6FX8002-2YH01-1CA0
6FX5002-2CA31-1BJ0
6FX1822-1BX42-2B
6FX8002-2YM01-1BA0
6FX5002-2CA31-1CA0
6FX1822-1BX42-2B
6FX8002-2YM01-1BA0
6FX5002-2CA31-1CA0
6FX1822-1BX42-2D
6FX8002-2YM02-1BA0
6FX5002-2CA31-1CF0
6FX1822-1BX42-2D
6FX8002-2YM02-1BA0
6FX5002-2CA31-1CF0