BusAdapter BA 2xRJ45
BusAdapter BA 2xFC
SIMATIC ET 200SP 的接口模塊具有一個用于總線適配器的通用 PROFINET 接口。 使用適宜的總線適配器，可根據(jù)特定應用的要求來調(diào)整連接類型：
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對于具有中等機械負荷和 EMC 負荷的標準應用，可使用 BA 2xRJ45 總線適配器。該適配器具有用于標準 RJ45 插頭的兩個插座。
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對于各個部件要承受較高機械和/或 EMC 負荷的機器與系統(tǒng)，建議使用 BA 2xFC 總線適配器。 在此情況下，將通過 FastConnect 端子來直接連接總線電纜（與 PROFIBUS 連接器類似），這已在無數(shù)應用中得到證明。采用這種技術時，組裝極為迅速，與 RJ45 插入式連接器相比，抗振性和抗電磁干擾性均提高 4 倍。
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帶有光纖電纜連接用總線適配器可用于覆蓋兩個站和/或較高 EMC 負載之間的較高電位差。
該總線適配器的另一個優(yōu)點是： 其目的是：修理出現(xiàn)問題的 RJ45 插座、后期轉用可靠的 FastConnect 技術或者光纖連接技術時，僅僅只需更換該適配器。
以下接口模塊通過總線適配器來提供 PROFINET 連接：
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IM 155-6PN 標準型
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IM 155-6PN 高性能型
ET 200SP BusAdapter “BA-Send"
BA-Send BusAdapters are used whenever an existing ET 200SP station is to be expanded with IP67 modules of the SIMATIC ET 200AL.
The SIMATIC ET 200AL is a distributed I/O device with degree of protection IP65/67 that is easy to operate and install. Due to its high degree of protection and ruggedness as well as its small dimensions and low weight, the ET 200AL is especially suitable for use at the machine and on moving plant sections. SIMATIC ET 200AL enables the user to access digital and analog signals and IO-Link data at low cost.
SIMATIC BusAdapters
In standard applications with moderate mechanical and EMC loads, SIMATIC BusAdapters with an RJ45 interface can be used, e.g. the BusAdapter BA 2xRJ45.
For machines and systems in which higher mechanical and/or EMC loads act on the devices, a SIMATIC BusAdapter with connection via FastConnect (FC) or fiber-optic cable (SCRJ or LC) is recommended. Likewise, all SIMATIC BusAdapters with a fiber-optic cable connection (SCRJ, LC) can be used with the increased loads.
BusAdapters with connections for fiber-optic cables can be used to cover high potential differences between two stations and/or high EMC loads.
An overview of the essential properties of the PN interfaces is shown in the table below
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PN interfaces for SIMATIC BusAdapters
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Cable connection (FOC)
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max. cable length
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EMC and mechanical loading
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Can be used on devices with SIMATIC BA-interface
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RJ45
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PROFINET copper cable, pluggable
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50 m
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Moderate
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All
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FC (FastConnect)
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PROFINET copper cable, direct connection
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50 m
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Increased 5 times
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All
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SCRJ
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POF (plastic) or HCS-FOC, pluggable
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50 m for POF, 100 m for HCS
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Increased 5 times
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As from IM155-6PN HF, CPU 1512SP (F)
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LC (Lucent Connector)
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Multi-mode glass fiber-optic cable, pluggable
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2 km
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Increased 5 times
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As from IM155-6PN HF, CPU 1512SP (F)
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