PW482-50 Yokogawa

Product Dimensions：

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.

● 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.

We have the same series of models in stock.  If you don't find the model you need, please contact us and we will provide you with an official quotation！

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