8520-MOP7 8520-OPS1 模块备件

产品标题：8520-MOP7 8520-OPS1 显示终端控制操作界面 A-B

产品参数：

型号：8520-MOP7 8520-OPS1  

质保：七天验收期，质保期一年

品牌： A-B

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产品详情资料
对于所有输入，通道值根据工厂校准进行调整。热电偶输入接收冷接点参考补偿。必要时进行引线电阻调整（仅供冷接点参考）。ASI模块通过I/Oexpander总线向控制器提供值。这些值以工程单位表示。ASI模块向控制器发送每个输入通道的状态指示。此状态表示ASI模块检测到的任何硬件错误和信道配置错误。终端单元IMASI23模块使用一个NTAI06终端单元连接现场信号。NKAS01或NKAS11电缆通过P3连接器将终端装置连接至ASI模块。终端装置包含用于热电偶输入冷端补偿的RTD。它们还包含将4至20毫安磁场信号转换为输入模拟输入2-6 WBPEEUI240774A0自动调整和校正模块所需的1至5 VDC所需的电路。NTAI06终端装置上的保险丝保护系统电源免受短路。功能代码
注：有关所需的功能代码规范更改，请参阅附录C
用IMASI23模块更换IMASI03模块时。控制器中的FCs 215和216配置ASI模块并识别有源模拟输入。每个ASI模块需要一个FC 215。每个输入需要一个FC 216
ASI模块上使用的信道。这些功能代码指定：
ASI模块的I/O扩展器总线地址和连接到特定模拟输入信号的模块上的信道号。还必须指定输入类型以及发动机的零点和量程，以确保校准、冷结补偿和非线性校正的适当缩放和校正。将FC 215和216添加到控制器以配置模拟模块。在控制器中设置FC 217以校准ASI模块，或
以设置用户增益和偏移值。有关更多信息，请参阅Composer函数代码应用手册。自动调整和校正
输入处理，校准
For all inputs, channel values are adjusted based on the factory calibration. Thermocouple inputs receive cold junction reference compensation. Lead wire resistance adjustments areperformed when necessary (for cold junction reference only).The ASI module provides values to the controller over the I/Oexpander bus. These values are in engineering units.The ASI module sends a status indication to the controller foreach input channel. This status indicates any hardware errorsand channel configuration errors detected by the ASI module.Termination UnitsThe IMASI23 module uses one NTAI06 termination unit to connect to field signals. An NKAS01 or NKAS11 cable connects thetermination unit to the ASI module through its P3 connector.The termination unit contains RTDs used for cold junctioncompensation of thermocouple inputs. They also contain thecircuitry needed to convert 4 to 20 milliampere field signalsinto the 1 to 5 VDC needed to input to the analog input 2 - 6 WBPEEUI240774A0Automatic Adjustments and Correctionsmodule. The system power supply is protected from shortcircuits by fuses on the NTAI06 termination unit.Function Codes
NOTE: Refer to Appendix C for function code specification changes required
when replacing an IMASI03 module with an IMASI23module.FCs 215 and 216 in the controller configure the ASI moduleand identify the active analog inputs. One FC 215 isrequiredfor each ASI module. One FC 216 is required for each input
channel used on the ASI module. These function codes specify
the I/O expander bus address of the ASI module and the channel number on the module connected to a specific analog inputsignal.The type of the input and the zero and span inengineeringunits must also be specified to ensure proper scaling andcorrections for calibration, cold junction compensation, andnonlinearity correction.Add FC 215 and 216 to the controller to configure theASImodule. Set FC 217 in the controller to calibrate the ASI module or
to set the user gain and offset values. Refer to the ComposerFunction Code Application Manual for more information.Automatic Adjustments and Corrections
Input processing, calibrat

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