Viconics VT7200 (Echelon) Integration Manual Manual de usuario descargar pdf (Pagina 9)

Parameter Variable Name Function

 This input network variable is used to connect an external fan

speed switch to the node or to allow any supervisory device to

override the fan speed controlled by the node’s control algorithm.

 This input is used in conjunction with FanMenu bit in nciGenOpts.

 Default Null Value: AUTO (state = 0xFF)

 Valid Range:

Fan

Value

State Value Equivalent

Percent

Requested Speed

N/A N/A Off - Not Used

0 0% Off - Not Used

1 to 66 0.5 to 33% Low

67 to 133 33.5 to 66.5% Medium

134 to 200 67 to 100% High

201 to 255 100% 3 – Not Used

0xFF N/A N/A Auto – Not Used

0 n/ N/A Off – Not Used

1 0 0% Off – Not Used

1 0 to 100 0.5 to 50% Low

1 101 to 200 50.5 to 100% High

1 201 to 255 100% 2 – Not Used

0xFF N/A N/A Auto – Not Used

0 N/A N/A Off - Not Used

1 0 0% Off - Not Used

1 1 to 66 0.5 to 33% Low

1 67 to 133 33.5 to 66.5% Medium

1 134 to 200 67 to 100% High

1 201 to 255 100% 3 – Not Used

0xFF N/A N/A Auto

0 n/ N/A Off – Not Used

1 0 0% Off – Not Used

1 0 to 100 0.5 to 50% Low

1 101 to 200 50.5 to 100% High

1 201 to 255 100% 2 – Not Used

0xFF N/A N/A Auto

0 n/ N/A Off – Not Used

1 0 0% Off – Not Used

1 1 to 200 0.5 to 100% On (High)

1 201 to 255 100% On – Not Used

Fan Mode network input

SNVT_switch

nviFanSpeedCmd

0xFF N/A N/A Auto

 This input network variable is used to enable or disable the

auxiliary heat stage.

 This input is used in conjunction with nviHeatCool and SeqOper.

 Default Null Value: AUTO (state = 0xFF)

 Set value to 100% for both On & Off state

 Valid Range:

State Value Auxiliary Heat Operation

0 N/A Disabled – Not Used

1 0 % Disabled

1 1 to 99% Partially Enabled – Not Used

1 100% Enabled

Sequence of

Operation

network input

SNVT_switch

nviAuxHeatEnable

See note 1 below

0xFF N/A Enabled (invalid)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 26 27

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Viconics VT7200 (Echelon) Integration Manual Manual de usuario Pagina 9

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