Jordan-valve Mark 17X Series Flameproof Smart Positioner Manual de usuario descargar pdf (Pagina 12)

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operatIon

The following process will operate the valve and actuator. Prior to proceeding with any AUTO Calibration

please isolate the valve and actuator from the system.

Button Description:

Behind the access panel on the front of the positioner, there are 4 buttons. Simply back off the three Phillips head

screws slightly and rotate the cover upwards to gain access.

Run Mode (RUN):

Once power is turned on to the positioner, RUN mode will be displayed within 6 seconds on the LCD screen. RUN

indicated the positioner will adjust the valve stoke according to the input signal. There are 6 modes within RUN

cycle.

1. RUN PV : Process Value – valve stroke %

2. RUN SV % : Set Value – input signal 0-100%

3. RUN SV mA : Set Value – input signal 4~20mA

4. RUN MV : Manipulate Valve – Motor Manipulate Value (digit)

5. RUN Vel : Velocity – Current valve stem velocity (digit)

6. RUN Err : Error – Difference between SV and PV (%)

To cycle display modes, press “ESC” and “+” at the same time. This will cycle display modes in the order indicated

above. Alternatively pressing “ESC” and “-“ will cycle through the above modes in descending order.

Pressing “ESC” at any point will return the Mark 3400 positioner to RUN mode.

Mark 17X SerieS FlaMeprooF SMart poSitionerS

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Jordan-valve Mark 17X Series Flameproof Smart Positioner Manual de usuario Pagina 12