GE MN-ValVue-v2-8-IOM Manuel de service télécharger pdf (Page 550)

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ValVue Digital Communications Software Ver. 2.80

550

GE Oil & Gas

Controller Alarms This box displays the status of the process variable alarms. The

alarms may be absolute or deviation alarms:

 Absolute alarms: If the process variable is below the lower

alarm limit or above the upper alarm limit, the alarm light

turns on.

 Deviation alarms: If the difference between the setpoint and

the process variable is below the lower alarm limit or above

the upper alarm limit, the alarm light turns on.

Controller Level/Setpoint

Display

This graphical display shows the current value of the level or the

interface as a green bar and the setpoint as a triangle. From this dis-

play, you can drag the triangle to change the setpoint when the con-

troller is in normal operating mode (local mode).

Controller Local/Manual If the controller is in Normal operation mode (local mode), you can

change the setpoint from LevelVue by dragging the indicator on the

Level/Setpoint display or by entering a setpoint directly. The control-

ler adjusts the output signal to try to match the process variable with

the new setpoint.

In Manual mode, the controller output is locked to a constant value.

You can change that value by dragging the indicator on the output

display or by entering a value directly.

Controller On/Off Turns the process controller on or off:

 If not enabled (off), the HDLT operates as a normal transmitter.

 If enabled (on), the HDLT performs the function of a controller

and the 4-20 output is a control signal to control a valve.

Controller Output Displays the output of the controller in percent.

Menu - Controller

When you right-click on the Controller tab, a context menu appears. The items that appear

depend on the HDLT mode:

 Local Setpoint – Puts the controller in local setpoint mode. You can adjust the setpoint

in this mode.

 Set Manual Mode – Puts the controller in Manual mode.

 Report Setup - Allows you to select a report file and a report printing program.

 Report - Generates a report of the HDLT parameters.

 Detach Trend - Removes the trend display from the tabbed dialog and creates a

separate Trend display.

 Help - Displays the help file at the Monitor tab instructions.

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GE MN-ValVue-v2-8-IOM Manuel de service Page 550

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