天津大成恒業機電設備（北京）有限公司是一家專業從事變頻器、直流調速器、伺服驅動器、電路板、PLC、觸摸顯示屏、UPS電源及各類進口國產電源、工控系統主板維修的高科技企業。大成恒業機電設備有限公司翟工 
產品型號如下：

6ES5734-2BD20     Cable PG7XX and S5-90U to 155U
6ES7216-2BD00-0XB0 SIMATIC S7-200, CPU 216, 24I/16O, 2 PPI
6ES7231-0HC00-0XA0 SIMATIC S7-200, ANALOG INPUT EM231, NON-ISOLATED, 3AI 12 BIT UNIPLOLAR, DC-0-5V/ DC 0-10V, 0-20MA FOR S7-21X CPU ONLY
6ES7307-1EA00-0AA0 SIMATIC S7-300, PS307, 120/230VAC; 24VDC, 5A
6ES7307-1KA00-0AA0 SIMATIC S7-300, PS307, 120/230VAC; 24VDC, 10A
6ES7321-1BH02-0AA0 SM321 digital input modules,16 inputs,24V dc
6ES7321-1BL00-0AA0 SM321 digital input modules,32 inputs,24V dc
6ES7322-1BH01-0AA0 SM322 digital output modules,16 outputs, 24V dc, 0.5A
6ES7322-1BL00-0AA0 SM322 digital output modules,32 outputs, 24V dc, 0.5A
6ES7322-1HH00-0AA0 SM322 digital output modules,16 outputs, 24V dc, 2A relays
6ES7323-1BH80-0AA0 *** SM323 digital input/output, 8 DI/8 DO,24Vdc,0.5A
6ES7332-5HB01-0AB0 *** SM332 anolog output module, 2 anolog putput
6ES7361-3CA01-0AA0 Interface IM361
6ES7368-3BB01-0AA0 "Pre-assembled connecting cable
between IM 360 and IM 361 or IM 361 and IM 361, 1m"
6ES7368-3BC51-0AA0 "Pre-assembled connecting cable
between IM 360 and IM 361 or IM 361 and IM 361, 2.5m"
6ES7390-1AE80-0AA0 SIMATIC S7-300, RAIL, L=480MM
6ES7390-1AF30-0AA0 SIMATIC S7-300, RAIL, L=530MM
6ES7392-1AJ00-0AA0 Front connector 20-way with screw contacts
6ES7392-1AM00-0AA0 Front connector 40-way with screw contacts
6ES7901-3BF21-0XA0 PC/PPI Cable connectiong S7-200 to serial port of PC repacement:6ES7901-3CB30-0XA0
6ES7901-3CB30-0XA0 PC/PPI Cable connectiong S7-200 to serial port of PC
6ES7951-0KE00-0AA0 SIMATIC S7, MEMORY CARD FOR S7-300, SHORT VERSION, 5V FLASH EPROM, 32KBYTES
6ES7953-8LF11-0AA0 SIMATIC S7 MICRO MEMORY CARD, 64K
6ES7971-1AA00-0AA0 SIMATIC S7 BACKUP BATTERY [LI] 3.6V/0.95Ah FOR S7-300 CPUS and S5-90U
6ES7972-0BA41-0XA0 PROFIBUS connector
6ES7972-0CA23-0XA0 SIMATIC S7 PC ADAPTER RS232 TO RS485
6ES7972-0CB20-0XA0 SIMATIC S7 PC ADAPTER USB F. CONNECTOR OF S7-200/300/400 C7; RS232 TO RS485 WITH USB-CABLE A（5M） CAN BE USED UNDER WIN 2000/XP