The
FY302 is from the first generation of Fieldbus devices. It is a control
valve positioner for pneumatic valve in a Fieldbus system. The FY302 produces
a pressure output as required to position a control valve according to
an input received over the Fieldbus network or internal controller.
The
Fieldbus technology used in the FY302 enables, an easy interface between
the field and the control room and several interesting features that considerably
reduce the installation, operation and maintenance costs.
Available in 4-20 mA + Hart, foundation fieldbus, and Profibus versions.
Some Characteristics:
|
Communication
|
Digital
only, Foundation Fieldbus, 31.25 kbit/s voltage mode with bus power
|
|
Output
|
Output
to actuator 0-100% supply air pressure. Single or double-action.
|
|
Output
Capacity
|
13.6
Nm³/h (8 SCFM) at 5.6 bar (80 psi) supply
|
|
Power
Supply
|
Bus
powered: 9-32 Vdc
|
|
Power
Consumption
|
Quiescent
12 mA
|
|
Configuration
|
Through
fieldbus communication from a PC or by local switches
|
|
Pressure
Supply
|
1.4-7
bar (20-100 psi). Free of oil, dust and water
|
|
Actual
Position Sensing
|
Magnet
(Non-contact) via Hall effect
|
|
Function
Blocks
|
Up
to 20 Dynamically Instantiable Function Blocks.
The Function Blocks available allow simple and complex control strategies
to be placed inside the field device, making the field device an
integral part of the control system. In order to fully benefit from
the Function Blocks in the device a True Foundation Fieldbus system
is recommended.
|
|
Indication
|
Optional
LCD indicator
|
|
Material
|
Injected
low copper aluminum with polyester painting or 316 stainless steel
housing
|
|
Process
Temperature Limits
|
-40
to 85ºC (-40 to 185 ºF)
|
|
Ambient
Humidity Limits
|
0
to100 % RH
|
|
Hazardous
Area Certification
|
Explosion
proof, weather proof and intrinsically safe
|
|
Weight
|
Nominal:
2.7 kg;
Digital display adds: 0.1 kg.
|
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