坚信诚信经营,质量为首,诚信至上合作双赢,互赢自动化宣! 1756-OB16E 1756-OB16EK 1756-OB16I 1756-OB16I-CC 1756-OB16IEF 1756-OB16IEFK 1756-OB16IEFS 1756-OB16IS 1756-OB16IS-CC 1756-OB32 1756-OB32K 1756-OB8 1756-OB8-CC 1756-OB8EI 1756-OB8EI-CC 1756-OC8 1756-OC8-CC 1756-OF4 1756-OF4-CC 1756-OF4K 1756-OF8 1756-OF8H 1756-OF8HK 1756-OF8I Okuma PCB Opus 5000II E4809-436-016-C 1911-1570-13-253 OKUMA E4809-436-027-A_ E4809436027A Circuit Board PCB Okuma DC Power Supply For 6 Axes, E4809-436-002-A Okuma PC Board, Part# E4809-436-016-B, Warranty Okuma Main Card I - II Board # E4809-436-014-A Warranty Okuma CRPB-II Board # E4809-436-013-D, Warranty Okuma CRP Card II Board # E4809-436-018-C, Warranty OKUMA E4809-436-002-A USPP E4809436002A OKUMA E4809-436-016-D USPP E4809436016D OKUMA Memory Card 2 E4809-436-032A OKUMA OPUS 7000 FR board E4809-436-093, A911-2124 现在PLC的通讯功能越来越强大,很多PLC都支持多种通讯协议(有些需要配备相应的通讯模块),选择时要根据实际需要选择合适的通讯方式。 PLC系统的通信网络主要形式有下列几种形式: (1)PC为主站,多台同型号PLC为从站,组成简易PLC网络; (2)1台PLC为主站,其他同型号PLC为从站,构成主从式PLC网络; (3)PLC网络通过特定网络接口连接到大型DCS中作为DCS的子网; (4)**PLC网络(各厂商的**PLC通信网络)。