Desigo PX

This section includes instructions for specific scenarios in Desigo PX.

Prerequisites:

  • The System Browser is in Operating mode.

 

Operating the Heating Curve

You can operate the Desigo PX heating curve directly in the graphic or in the Operation tab.

Heating Curve
  1. In System Browser, select logical view.
  1. Select Logical > [hierarchy name] > [hierarchy level 1-n] > [heating group] > [heating curve].
  • The Default tab displays with the heating curve graphic.
  1. In the graphic, select the option:
  • Flow temperature setpoint, Max or Min
  • Temperature setpoints low, outsideor flow
  • Temperature setpoints high, outsideor flow
  • Radiator exponent
  • Setpoint correction to flow temperature

Plant Operator Tableau

A plant operator tableau includes the most important information to control a plant. The operating state, setpoints, or output can be easily operated. NOTE: This function is not available on all projects.

 

Open Plant Tableau

  1. In System Browser, select Application View.
  1. Select Applications > Graphics > [graphics page].
    NOTE: The plant tableau opens when the graphic page is configured as the first page to be opened.
  1. The plant tableau opens as follows if the plant page is opened:
  • If the plant graphic is opened, click .
  • If the plant graphic is opened, click the Related items tab.
    a. Select Graphics.
    b. Click the link for the plant tableau.
  • The plant table displays.

Control the Plant

  1. Select the appropriate plant switch.
  1. In the drop-down list, select option Off, On, Auto, Stage 1, Stage 2.
  • The selected value is executed directly.

Changing a Setpoint

  1. Select the appropriate setpoint.
  1. Enter a new value.
  • The entered value is executed directly.

Switching Output

Manual switching is written at BACnet priority 8.

  1. Select the appropriate output.
  1. In the drop-down list, select option Off, On, Stage 1, Stage 2.
  • The selected value is executed directly.
    NOTE: Switching can only be executed as long as no security functions are pending.

Release Output

Manual switching is released at BACnet priority 8.

  1. Select the appropriate output.
  1. Click .
  • The output is released. The application program exercises control.