2213-75TSLKTB P503993模块备件

产品标题：2213-75TSLKTB P503993 检测氩激光器 JDS Uniphase

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型号：2213-75TSLKTB P503993  

质保：七天验收期，质保期一年

品牌：  JDS Uniphase
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而不需要启动转换命令。A/D输出
寄存器以内部过滤器确定的速率更新
并且可以随时准备好。ASI模块以大约180毫秒的速率扫描ALA/D转换器输出寄存器，包括校准和开路测试。除输入通道外，在正常输入扫描期间读取内置冷结参考。自动调整和校正WBPEEUI240774A0 2-7点值计算ASI模块为每个输入通道维护一组调整值。这些值校正输入通道中的偏移和增益误差。使用校准数据将原始模数转换器计数值转换为实际输入信号值。对于热电偶输入，对冷态进行调整
热电偶的结温。另外，
然后应用用户指定的调整，如果已经
用FC 217定义。终校正输入读数使用热电偶或TD转换表或输入指定的工程单位零和量程值转换为工程单位。以下各节描述了各种类型的输入值调整。输入校准每个输入通道在工厂进行校准。在校准过程中，识别任何偏移和增益误差，并计算所需的校正因子，并将其存储在分析输入模块的非易失性存储器中。
当扫描输入通道以校正读数时，使用这些因素。校准调整应用于：
有源通道和冷结参考输入。
冷端补偿热电偶输入通道根据冷端温度进行调整。冷接点参考可以是I/O模块终端单元上的内置参考，也可以是来自系统中任何其他功能代码块输出的值。控制器提供的冷结参考值假定为摄氏度。ASI模块将该值转换为毫伏，并将其与模数转换器的值相加。
确定为冷接点参考的热耦合通道
输入（FC 216，规范S4）使用内置冷接点
关于术语的参考without need for a start convert command. The A/D output
register is updated at a rate determined by the internal filter
and can be ready at any time. The ASI module scans allA/Dconverter output registers at a rate of about 180millisecondsincluding calibration and open circuit tests.In addition to the input channels, the built-in cold junction eference is read during normal input scanning.Automatic Adjustments and CorrectionsWBPEEUI240774A0 2 - 7Point Value CalculationThe ASI module maintains a set of adjustment values for eachinput channel. These values correct for offset and gainerrorsin the input channel. The raw analog-to-digitalconverter countvalue is converted to an actual inputsignal value using the calibration data.For thermocouple inputs, an adjustment is made for the cold
junction temperature of the thermocouple. An additional,
user-specified adjustment is then applied, if one has been
defined with FC 217. The final corrected input reading isthenconverted to engineering units using either thermocouple orRTD conversion tables, or the engineering unit zero andspanvalues specified for the input.The following sections describe the various types of inputvalueadjustments.Input CalibrationEach input channel is calibrated at the factory. During the calibration procedure, any offset and gain errors areidentifiedand required correction factors are calculated and stored in theanalog input module's nonvolatile memory.
These factors are used when the input channel is scanned tocorrect the reading. A calibration adjustment is applied to
active channels and the cold junction reference input.
Cold Junction CompensationThermocouple input channels are adjusted for cold junctiontemperature. The cold junction reference can either be thebuilt-in reference available on the I/O module's terminationunit or a value originating from any other function codeblockoutput anywhere in the system. The cold junction referencesupplied by the controller is assumed to be in degrees C.TheASI module converts this value to millivolts and adds it tothevalue from the analog-to-digital converter.
hermocouple channels identified to be cold junction reference
inputs (FC 216, specification S4) use the built-in cold junction
reference on the termi

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