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IC5005TAX0130

使用目前通用的上位机组态软件，如组态王、InTouch、WinCC、力控等，来实现PLC与PC机的互连通信。组态软件以其功能强大、界面友好、开发简洁等优点目前在PC监控领域已经得到了广泛的应用，但是一般价格比较昂贵。组态软件本身并不具备直接访问PLC寄存器或其它智能仪表的能力,必须借助I/O驱动程序来实现。也就是说，I/O驱动程序是组态软件与PLC或其它智能仪表等设备交互信息的桥梁，负责从设备采集实时数据并将操作命令下达给设备，它的可靠性将直接影响组态软件的性能。但是在大多数情况下，I/O驱动程序是与设备相关的，即针对某种PLC的驱动程序不能驱动其它种类的PLC，因此组态软件的灵活性也受到了一定的限制。利用PLC厂商所提供的标准通信端口和由用户自定义的自由口通信方式来实现PLC与PC机的互连通信。这种方式由用户定义通信协议，不需要增加投资，灵活性好，特别适合于小规模的控制系统。

Yamaha YCR-2310 Cornet, EXCELLENT Condition!
WPI TERMIFLEX INC. 300553 HAND HELD PROGRAMMER
Woodward Synchronizer P/N 9907-029 Rev C
WOODWARD SPM-A SYNCHRONIZER 50/60HZ 10W 9907-028 REV D
Woodward SPM-A Synchronizer / Part # 9907-028
WOODWARD PROTECH 203 OVERSPEED PROTECTION SYSTEM 9907-149 ( )
WOODWARD PROTECH 203 OVERSPEED PROTECTION SYSTEM 9907-149 ( )
Woodward MSLC 9907-005
WOODWARD LOAD SHARING MODULE 9907-252 GENERATOR
Woodward Load Sharing Module 9907-175 Caterpillar 3508B Part # 161-0797
WOODWARD GOVERNOR CONTROL PANEL 8271-353 2301 SPEED SENSOR NOS
Woodward Governor *域名隐藏* ft gas,steam, turbines,propellers,diesel engines,vtg
Woodward Governor *域名隐藏* ft gas,steam, turbines,propellers,diesel engines,vtg
Woodward Engine Governor 8290-205 EPG Speed Control
Woodward Engine Governor 8290-205 EPG Speed Control
Woodward CSDA Constant Speed Hydraulic Propeller Govener Service Manual
WOODWARD 9907-838 9907838
WOODWARD 9907-252 9907252
WOODWARD 9907-252 9907252
WOODWARD 9907-175 9907175
Woodward 9907-175 Load Sharing Module 161-0797 ECL00
Woodward 9907-175 Load Sharing Module 161-0797
Woodward 9907-162 505 Turbine Control Rev. R 9907162 BCK
WOODWARD 9907-029 9907029
WOODWARD 9907-028 9907028
Woodward 9907-028 SPM-A Synchronizer Load Sharing Module 115/230V / Warranty
Woodward 9907-028 Revision F SPM-A SYNCHRONIZER
Woodward 9907-028 Revision D SPM-A SYNCHRONIZER
WOODWARD 9907-027 9907027
Woodward 9907-027 Rev A Load Sharing Module
Woodward 9907-018 Rev. C 2301 A Load Sharing and Speed Control Good
Woodward 9907-005 Rev. G Master Synchronizer & Load Control
WOODWARD 9907-005 9907005
Woodward 9905-708 Digital Synchronizer and Load Control Rev L
WOODWARD 9905-068 / 9905-068B / B / 2301A LOAD SHARING & SPEED CONTROL
WOODWARD 9905-020 P LOAD SHARING & SPEED CONTROL 2301A