你的东西名称有问题,RSLOGIX1500和RSLOGIX5000我就没听说过,我估计是MicroLogix1500和ControlLogix5000系列的机器。给SLC500和MicroLogix1500编程需要软件RSLogix500,给ControlLogix5000编程需要软件RSLogix5000,组态设备网需要软件RSNetWorx for DeviceNet,所有软件运行还需要通讯软件RSLinx。
1.我们当前使用的1786-RPA是A系列,光端通讯模块是1786-RPFM(应用距离〈3Km),固件版本尚不清楚。
而1786-RPFRXL是用于长距离通讯(〈20Km)。
2.1786-RPFM的光纤段最大损耗<13.3dB,也就是说只要保证两个Fiber repeater之间的光损耗小于此值,通讯就不会出现问题。
3.我们采用的是单网(point-to-point)拓朴结构,一共有8个站,两条网络,其中一条连接5个站,另一条连接
3个站。两个站之间的光缆距离不超过1Km。刚开始是8个站只用一条线连接,但把所有的PLC站都上电后发现通讯不正常。估计是一条链路上的节点太多导致的通讯失败。以下是我从有关AB说明书上摘的原文,希望能对你有所帮助。
The fiber repeater consists of a fiber repeater adapter (1786-RPA) and1 to 4 fiber repeater modules (1786-RPFS, RPFM, RPFRL, RPFRXL). Use a fiber repeater as a link from your non-hazardous area to your hazardous area. Hazardous areas require the use of specifically designed products. Refer to the 1797 catalog series.
A fiber repeater is used to extend the total length of your segment, or create a star configuration (go off in multiple directions from one point) The number of fiber repeater and cable length total is limited depending on your network topology. You may also use fiber
repeaters to cross into hazardous areas. See CNET-IN003A-US-P for
more information on hazardous area applications.
The total number of repeaters (fiber and coax) length total is limited to 5 repeaters and 6 segments. See CNET-IN002A-US-P, ControlNet Coax Media Planning and Installation Manual for more information on network distance limitations.
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