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  • Yokogawa digitalYEWFLO Fieldbus Type Vortex Flowmeter

Yokogawa digitalYEWFLO Fieldbus Type Vortex Flowmeter

2015-06-29 16:33:21

Description:

Fieldbus is a two-way digital communication system. It is a revolutionary technology for configuring instrumentation control systems and a promising successor to the standard 4 to 20mA analog communication used in most field instruments today. By combining Fieldbus communications with digitalYEWFLO's ability to simultaneously output analog and pulse readings for flowrate, temperature, mass flowrate and total flowrate, a greater variety of powerful flow control applications are possible.……

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Assortments

Description

Quick Details

  • Place of Origin: Japan

  • Brand Name: Yokogawa

  • Model Number: Digital YEWFLO

  • Hazardous area classifications: TIIS / FM / CENELEC / CSA / SAA

  • Flow configuration tool: FlowNavigator Flow Configuration Software (FSA120)

Packaging & Delivery

Packaging Details:in carton or according to custom's service
Delivery Detail:2 weeks

Specifications

Suitable for a wide variety of flow control applications. 

digitalYEWFLO Fieldbus Type Vortex Flowmeter

 

Yokogawa’s proprietary filter (SSP) for digital signal processing analyzes vortex signals and automatically selects the optimum settings for the best possible measurement.  

 

 

 

Fieldbus is a two-way digital communication system. It is a revolutionary technology for configuring instrumentation control systems and a promising successor to the standard 4 to 20mA analog communication used in most field instruments today.  By combining Fieldbus communications with digitalYEWFLO's ability to simultaneously output analog and pulse readings for flowrate, temperature, mass flowrate and total flowrate, a greater variety of powerful flow control applications are possible.  

 

 

 

 

Features: digitalYEWFLO Fieldbus Type Vortex Flowmeter

Interoperability (ITK 5.0.1)

FOUNDATION fieldbus specifications (ITK 5.0.1) grant the interoperability of the field instruments.

Reduction of instrumentation cost

The multi-drop wiring on the Fieldbus communication line contributes to the reduction of wiring cost.

Mass flow calculation

Arithmetic (AR) function block expands the mass flow calculation function for the saturated steam, superheated steam and gases by using external pressure/temperature input (/MV:internal temperature input) with a high accuracy. Additionally, in combination with FlowNavigator Flow Configuration Software (FSA120) brings to the high accurate mass flow calculation output, ex. natural gas process, physical properties database for 126 fluids and custom fluids.

User-friendliness

The common function block of field devices have the same operability, because of their common specification. The individual device setting (Transducer Block parameter setting) can be done simply by executing METHOD.

Independent flow and temperature calculations (multi-variable type: option)

The multi-variable type (/MV: option) of digitalYEWFLO separately outputs flowrate output (AI1) and temperature output (AI2) . Two DI function blocks output the limit signal output both flowrate and temperature.

Advanced self-diagnostics

The digitalYEWFLO has advanced self-diagnostics which can predict and identify anomalies in the process conditions, such as high pipeline vibration and abnormal flow. Also, the Fieldbus type digitalYEWFLO supports various alarm functions, such as high/low-limit alarms and alerts of block errors, based on the FOUNDATION fieldbus specification.

Link Master function : BASIC at factory setting.

digitalYEWFLO Fieldbus models support the Link Master function. This function enables backup of network manager and local control only by field devices.

PID function block (option)

A PID function block (with the I-PD control algorithm) enables the field device to control the process.

Software download function (option)

Software download function permits to update DY software via a FOUNDATION fieldbus. Typical use of this function is to add new features such as function blocks and diagnostics to existing devices.

Specifications: digitalYEWFLO Fieldbus Type Vortex Flowmeter

All DY and DYA models are Fieldbus enabled (output code: F) and conform to the EN61326-1 Class A, Table 2 (For use in industrial locations), EN61326-2-3, EN55011 Class A Group 1 EMC standards

digitalYEWFLO Fieldbus Type Vortex Flowmeter
Output signalsDigital communication signals compliant with the FOUNDATION fieldbus protocol
Supply voltage9 to 32 V DC for general-purpose and flameproof types
9 to 24 V DC for intrinsically safe type (Entity model)
9 to 17.5 V DC for intrinsically safe type (FISCO model)
Communications lineSupply voltage: 9 to 32 V DC
Supply current: 15mA (maximum)
Function specificationsFunction blocks-AI function blocks (3):  AI1:monitors the flowrate and totalized flow rate  AI2:monitors the temperature (if the multivariable type)  AI3:volumetric flow input for mass flowrate calculation of AR.-DI function blocks (2):  for flow and temperature limit switches-AR function blocks (1):  mass flow calculation-IT function blocks (1):  integrates a variable as a function of the time or accumulates the counts-PID blocks (1):  for models with LC1 option*Combination with multivariable option (/MV) is available.
Hazardous area classificationsTIIS / FM / CENELEC / CSA / SAA
Flow configuration toolFlowNavigator Flow Configuration Software (FSA120)