描述

51454470-175 輸入/輸出模塊

TC/RTD IOM支持PV出廠前Open Sensor Detect的配置參數(shù)。在激活OTD配置的情況下，PV被采樣并保持，同時在同一測量窗口內(nèi)執(zhí)行OTD周期。如果OTD是負的，PV通過系統(tǒng)向上傳播。若OTD為正，則PV置為NAN，輸入通道軟故障置為。這樣，就不會出現(xiàn)由于熱電偶打開而導(dǎo)致PV值無效的不適當控制動作。PV取樣/報告不會因OTD處理而增加延遲。

顯著的特征
?TC和RTD操作
?遠程冷端補償能力
?1次帶OTD保護的PV掃描
?可配置OTD保護(見下文)
?溫度點可以添加16點增量

溫度變量以1秒的速率從所有點收集。1秒的更新包括一個
可配置的檢查打開熱電偶檢測(OTD)(見下文)之前的傳播
溫度變量。所有TC輸入包括積分冷端補償(CJC)。

51454470-175 輸入/輸出模塊

The TC/RTD IOM supports a configuration parameter for Open Sensor Detect before PV delivery. With the OTD configuration active, the PV is sampled and held while an OTD cycle is performed within the same measurement window. If the OTD is negative, the PV is propagated up through the system. If the OTD is positive, the PV is set to NAN and the input channel soft failure is set. In this way, no inappropriate control action occurs for PV values that are invalid due to an open thermocouple. PV sampling/reporting incurs no added delays from OTD processing.

Notable Features
? TC and RTD operation
? Remote cold junction compensation capability
? 1 Second PV scanning with OTD protection
? Configurable OTD protection (See below)
? Temperature points can be added in 16 point increments

The Temperature variable is collected from all points at a 1 second rate. The 1 second update includes a
configurable check for Open Thermocouple Detection (OTD) (see below) before propagation of the
temperature variable. All TC inputs include integral Cold Junction Compensation (CJC).

 

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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed



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