011000037 DIGITAL COMPACT 222 DC222 用于驱动控制器 BRANSON

产品标题：011000037 DIGITAL COMPACT 222 DC222 用于驱动控制器 BRANSON

型号：011000037 DIGITAL COMPACT 222 DC222 用于驱动控制器 

品牌：  BRANSON

质保：七天验收期，质保期一年
发货期：1-3个工作日

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产品详情资料
 
 织
Artisan Technology Group-质量仪器…保证|（888）88-SOURCE | www.artistg.com
Advant®Fieldbus 100用户指南
第2.10节同步
3BSE 000 506R701 2-25公司
主帧表可以有三种宽度，这取决于CDP配置。
当使用高达1024 ms的CDP周期时间时，该表为1024个插槽宽，多18个
每个插槽的CDP数。使用一个或多个周期时间为2048 ms的CDP主帧表为2048
插槽和每个插槽多12个CDP。对于循环时间为4096 ms的一个或多个CDP
宽度为4096个插槽，每个插槽多6个CDP。
2.10同步
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
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Advant® Fieldbus 100 User’s Guide
Chapter 2 Advant Fieldbus 100 Concepts
2-24 3BSE 000 506R701
2.9 Transmission PrinciplesIn Figure 2-22 and Figure 2-23below the time-slots (one millisecond each) are indicated on the
horizontal axis, while the time distribution inside the individual time-slots (that is which CDP to
send) is indicated on the vertical axis.
In the example four different CDPs are configured. CDP1 has a cycle time of 1 ms, CDP2 has a
cycle time of 2 ms, and CDP3 and CDP4 have cycle times of 4 ms. The remaining time is used
for message transfer when required, white and grey area in the Figure 2-22 above.
In the example three different CDPs are configured. CDP1 has a cycle time of 2 ms, CDP2 and
CDP4 both have 4 ms cycle time. The remaining time is used for message transfer when
required, white and grey area in the Figure 2-23 above.
Figure 2-22. Time-slot organization up to 2000m
Figure 2-23. Time-slot organization for 8500m and 15000m
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Advant® Fieldbus 100 User’s Guide
Section 2.10 Synchronization
3BSE 000 506R701 2-25

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