




产品标题:LID 2B CES0130036-00 制冷机显示控制板盖 COMFORT NETWORK
型号:LID 2B CES0130036-00 制冷机显示控制板盖
品牌: COMFORT NETWORK
质保:七天验收期,质保期一年
发货期:1-3个工作日
产品图片展示
产品详情资料
主通信接口与其他通信接口配合
附于Advant Fieldbus 100,分担总线主控责任。为此
通信接口必须同步。这是通过将巴士大师的身份传递给
每隔1024、2048或4096毫秒更换一个总线管理员。此异常发生在
配置时,总线管理员可以将总线主控权保留更长时间。
在同步期间,总线主机广播根据当前数据计算的校验和
动态数据的配置(扫描表)。其他总线管理员可以比较
这与他们自己配置的校验和一起,从而检查
配置
仅允许具有正确配置的通信接口参与
总线主控责任的分担。
2.11与MasterB的兼容性图2-21显示了“树形”配置的Advant Fieldbus 100。与的规则相同
计算电缆长度时,图2-20有效。的区别是这两个车站
计算中使用的距离大。
由此,我们得到了以下限制:
apart. The same roles regarding calculating methods for bus
length as well possible length is valid both for star configuration as well as the common bus
configuration.
The Figure 2-21 shows an Advant Fieldbus 100 in a “tree” configuration. The same rules as for
Figure 2-20 is valid when calculating the cable length. The only difference is that the two stations
that is most far apart is to been used in the calculation.
By this, we got the following restrictions:
A + B + C + D + E <= 1,400 meters (4,500 ft) and
A + B + C + F + G + H <= 1,400 meters (4,500 ft) and
E + D + F + G + H <= 1,400 meters (4,500 ft) and
A, (C + F), E, H <= 700 meters (2,300 ft) for RG 11 or 300 meters (1,000 ft) for RG59 and
D, G <= 750 meters (2,500 ft).NOTE!This formula is applicable also for 8,500 and 15,000 meter configurations, see
Chapter 1.8.2 Advant Fieldbus 100 length concept for information about
equipment supporting these lengths.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Advant® Fieldbus 100 User’s Guide
Section 2.8.3 Calculation of Maximum Bus Length for the Advant Fieldbus 1003BSE 000 506R701 2-23150 meter (500 ft)of media
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