产品细节：VE4001S2T2B7 I/O载波为I/O接口提供集成的总线现场配电

I/O载波为I/O接口提供集成的总线现场配电。集成母线按奇数和偶数插槽分为主电源和次电源。每个插槽单独熔接，以保护其他卡的电源。这大大减少了外部配电电路，同时仍然为每个卡提供融合的24V直流总线现场电源。
易于在线扩展:s系列I/O载波和接口可以轻松在线添加，而不会中断现有的I/O通信。I/O载波可以在线扩展，要么直接连接到现有载波的右侧，要么使用扩展电缆将新载波安装在不同的DIN导轨上。控制器自动检测新的载波和接口，并允许这些被自动感知到配置数据库。
现场安装的硬件:所有s系列传统I/O接口的额定工作温度范围为-40至70°C(-40至158°F)。这些接口可以安装在现场安装的外壳中，因此您可以显着减少设备的占地面积，并为其他用途增加宝贵的控制室空间。这还允许您通过消除长时间运行多核来节省布线费用。
I/O子系统的集成设计可以消除对封送面板的需要。这为你节省了更多的总资本成本。
传统I/O卡1:1冗余:使用s系列传统I/O卡可以轻松提高系统可用性。
四种传统的I/O卡类型可用于关键现场电路的冗余终端块。只需在规定的冗余端子上安装一对卡，德尔塔夫集散控制系统(DCS)就会自动将其识别为冗余对。除了自动感知冗余对之外，没有其他配置。

VE4001S2T2B7

The I/O carriers provide integrated bussed field power distribution to the I/O interfaces. The integrated bus is divided into primary and secondary power for odd- and even-numbered slots. Each slot is individually fused to protect power to other cards. This significantly reduces the external power distribution circuits while still providing each card with fused 24V DC bussed field power.
Easy online expansion: The S-series I/O carriers and interfaces can easily be added online, without disruption of existing I/O communication. I/O carriers can be extended online, either by directly connecting them to the right side of the existing carrier, or using extender cables to mount the new carrier on a different DIN rail. The controller automatically detects new carriers and interfaces and allows these to be auto-sensed into the configuration database.
Field-mounted capable hardware: All S-series traditional I/O interfaces are rated for extreme operating temperature ranges of -40 to 70°C (-40 to 158°F). The interfaces can be installed in field mounted enclosures so you significantly reduce the footprint of your equipment and increase valuable control room space for other uses. This also allows you to save on wiring expenses by eliminating the need for long runs of multi-cores.
The integrated design of the I/O subsystem can eliminate the need for marshaling panels. This saves you even more in your total capital costs.
1:1 Redundancy for traditional I/O cards: Increased system availability is easy with S-series traditional I/O cards.
Four traditional I/O card types are available with redundant terminal blocks for critical field circuits. Simply install a pair of cards on the prescribed redundant terminal block and the DeltaV Distributed Control System (DCS) will automatically recognize them as a redundant pair. There is no configuration other than to autosense the redundant pair.

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