电路板西门子880/850系统用
6FX1121-3BA01   
6FX1121-4BN02     
6FX1121-4BL02     
6FX1121-4BB01   
6FX1124-0BA03     
6FX1128-1BB00   
6FX1132-1BB01      
6FX1126-7BA01    
6FX1128-1BB00     
6FX1132-0BA01     
6FX1138-6BB01                                    
6FX1120-4BD03                  
6FX1120-5BB01                    
6FX1121-3BA01                  
6FX1124-0BA02                 
6FX1132-0BA01                 
6FX1138-6BB01                   
COM CPU 扳:  6FX1120-4BA02    
6FX1120-7BB01                   
6FX1121-2BB02       
6FX1126-4AA00   
6FX1126-1AA03
   
系统软件扳:  6FX1128-1BB00
6FX1121-8BA03  
6FX1126-2BA00            
6FX1120-4BA02
6FX1128-1BB00  
6FX1126-7BA01
6FX1120-7BB01
6FX1120-5BA01
6FX1120-7BA01 
6FX1126-6BB00 

6FX1121-8BA03  复合板                        
6FX1120-4BA03  850系统COM   CPU板        
6FX1128-1BF00
6FX1126-7BA01
6FX1120-7BB01
6FX1120-5BA01
6FX1120-7BA01
6FX1126-8BA00

6FX1192-4BA00              输入板
6FX1192-4BA00
6FX1817-0AX15（小模块）
6FX9320-8CE
6FX1112-0AA01 输出板       *
6FX1112-0AA01              *
6FX1112-0AA01              *
6FX5465-4UA12   
6FX1130-6BA00
850显示器后面的电路板
1：电源：6EW1861-3AB  
2：6FX1120-4BA02  COM CPU  
3：6FX1120-7BB01               
4：6FX1121-2BB02              
5：6FX1126-4AA00               
6：6FX1126-1AA03             
7：6FC3988-7AH20               800显示器的显像管