Cylon CBX-8R8-H Arkusz danych technicznych i instrukcja instalacji - Strona 14

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Output Override

HOA variants (CBX-8R8-H, FLX-4R4-H and FLX-8R8-H) include hardware override

switches for each of their outputs. The override controls are located behind the

flap on the front of the device:

CBX-8R8-H

And consist of a switch and a rotary knob for each output:

The channel number corresponding to the switch is shown directly below the switch.

The switch can be set to one of 3 positions:

When a switch is set to the Centre position the

corresponding output channel is set to Auto mode – the

output is controlled by strategy.

The rotary knob has no effect in this mode.

When a switch is set to the Bottom position the

corresponding output is forced to Off – both the strategy

setting and the rotary knob have no effect.

When a switch is set to the Top position the corresponding

output is set to Manual mode

•

for digital outputs, the output is forced on

•

for analog outputs the rotary knob setting controls the

output value.

Note: Manual position is supervised, i.e. the strategy is

aware of the manual value.

The Controller Strategy can determine if an override is in place is by connecting to

the

point on the output module:

Override

The value of the

point will be '0' when the output is active and '1' when

Override

the point has been manually overridden. This allows the strategy to react to the

fact that a point has been overridden.

Note: The corresponding terminal LED will indicate the override condition.

DS0119 rev 40

FLX-4R4-H

FLX-8R8-H

Subject to change without notice

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