fbm217离散输入模块提供32个输入通道,每个通道接受一个2
从直流电压源输入的导线。关联的终止程序集(ta)提供
用于60vac, 120vac / 125v dc或240vac以下的离散输入。该模块
执行所需的信号转换接口的电气输入信号从
现场传感器连接到模块现场总线。
根据所需I/O信号的类型,TAs包含限流装置,
高压衰减电路,光隔离和外部电源
连接。
该模块及其相关的TA支持以下离散输入:
FBM
FBM217
输入
30 Vdc, 125 Vdc, 120 Vac,或240 Vac电压监视器或
该模块可以用作单个单元,也可以用作冗余对(两个fbm217)。
当使用冗余对时,两个模块组合在一起,在节点处提供冗余
Foxboro DCS现场总线模块(FBM)级,具有从一个现场接收输入信号
通过附加在fbm上的冗余适配器的共端接组件。
基板。冗余模块的场输入电流加倍。一个冗余
数字输入块在Foxboro DCS控制软件验证每个输入
结合模块输入/输出的信息,选择最高的输入
质量为加工中的控制策略。
在冗余配置中,来自每个模块的接触感测功率是二极管或
一起在冗余适配器中验证冗余电源。
冗余触点输入功能块,CINR,用于每个冗余对
输入。CINR块处理冗余的输入读取和初始化逻辑
频道。在CINR块的每个执行周期中,将向两者发送相同的读操作
模块,充分行使现场总线和每个模块的逻辑电路。
当连接到适当的ta时,FBM217模块提供功能
以前由100系列FBM I/O子系统提供。可用的助教有
100系列主要支持FBM07A/B、FBM08、FBM20等功能
FBM24A/B/C(16输入主fbm)。扩展ta可用于这些
支持扩展功能的FBM12、FBM13、FBM21或
FBM25A/B/C(16输入扩展FBMs)
The FBM217Discrete Input Module provides 32 input channels, each accepting a 2
wire input from a dc voltage source. Associated termination assemblies (TAs) provide
for discrete inputs of under 60 Vac, 120 Vac/125 V dc or 240 Vac. The module
performs signal conversion required to interface the electrical input signals from the
field sensors to the Module Fieldbus.
Depending on the type of I/O signal required, the TAs contain current limiting devices,
high voltage attenuation circuits, optical isolation and external power source
connections.
The module with its associated TA supports the following discrete inputs:
FBM
FBM217
Inputs
30 Vdc, 125 Vdc, 120 Vac, or 240 Vac Voltage monitor or
The module can be used as a single unit, or as a redundant pair (two FBM217s).
Whenusedasaredundant pair, the modules combine to provide redundancy at the
Foxboro DCS Fieldbus Module (FBM) level, with field input signals received from one
commontermination assembly though a redundant adapter affixed to the FBMs'
baseplate. The field input current for redundant modules is doubled. A redundant
digital input block in the Foxboro DCS Control Software validates each input in
conjunction with information to/from the module, and selects the input with the highest
quality for processing in the control strategy.
In a redundant configuration, contact sense power from each module is diode OR'd
together in the redundant adapter to verify redundant power.
Aredundant contact input function block, CINR, is used for each redundant pair of
inputs. The CINR block handles input reads and initialization logic for the redundant
channels. On each execution cycle of the CINR block, identical reads are sent to both
modules, fully exercising the fieldbus and the logic circuitry of each module.
Whenconnected to the appropriate TAs, the FBM217 module provides functionality
formerly provided by the 100 Series FBM I/O subsystem. TAs are available which
support the functionality of the 100 Series main FBM07A/B, FBM08, FBM20, and
FBM24A/B/C (16 input main FBMs). Expansion TAs are available for use with these
main FBMTAsto support the functionality of expansion FBM12, FBM13, FBM21, or
FBM25A/B/C (16 input expansion FBMs)
联系:sunny
电话 :18859254943
QQ : 3561040004
邮箱 :sales@ygdcs.com
包装和运输
1)有现货的货物,我们将在收到付款后3天内发出订单。
2)我们可以通过DHL,UPS,Fedex和EMS将货物运送到世界各地。包装很结实。如果您有任何特殊要求,请告诉我。
3) 您将在我们发送货物后大约 7 天收到货物。
您可能有任何问题
问: 你们的包装条件是什么?
答: 一般来说,我们将货物包装在带有泡沫衬垫的纸箱中,以防止货物损坏。
问: 你们的付款条件是什么?
答: 装运前 100% T/T。西联汇款,信用卡也是可以接受的
问: 你们的交货时间呢?
答: 一般在收到付款后 1-3 天。具体交货时间取决于订单的类型和数量。
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