YTA series Fieldbus Communication General Specifications
◆Fieldbus is the digital communication line for the field instruments, whose signal is internationally standardized by Fieldbus Foundation.
◆The Fieldbus bi-directional digital communication performance makes possible for the field instruments and the control devices to be a complete on-line system, superseding the existing analog transmission lines. Also, the precise transmission of various process data including the PV and MV of the field instruments is well established by the Fieldbus multisensing function. Thus, based on FOUNDATION Fieldbus specifications, YTA320 Fieldbus model offers more flexible instrumentation through a higher level communication capability and proposes the cost reduction by multi-drop wirings with less cables.
◆FEATURES
■Interoperability: FOUNDATION Fieldbus specifications grant the interoperability of the field instruments without preparing designated softwares for the instrument.
■Reduction of instrumentation cost: The multi-drop wiring on the Fieldbus communication line contributes to the reduction of wiring cost.
■Four AI and DI function blocks: YTA320 Fieldbus model has four independent AI function blocks whose input can be selected from Sensor1 input, Sensor2 input, terminal temperature, differential temperature, average temperature, and back-uped input. Four DI function blocks can be used as a limit switch for those temperature.
■Alarm function:YTA Fieldbus models securely support various alarm functions, such as high/low alarm, notice of block error, etc. based on FOUNDATION Fieldbus specifications.
■Self-diagnostic function: The reliable self-diagnostic function detects such failure as measuring range failure and abnormal ambient temperature, as well as the hardware failure.
■PID function block (option): PID function block enables field devices to control processes. Up to two blocks can be specified.
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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June 2017 |
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20th Edition |
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GS 01C50T02-00EN |
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634 KB |
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