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Parameter

Note:

The parameter settings include various

functions which depend on other functions.

Depending on the parameter setting, some

functions or objects may or may not be

displayed in the ETS.

● General brightness evaluation:

The current brightness can be determined by the

internal brightness sensor, by an external

communication object or by both dependencies. The

relationship between internal and external values can

be parametrised while doing this.

Communication objects

You can select the following communication objects:

General:

Parameter

For actual value correction you will need a luxmeter.

The measured values are then input into the

application software of the presence detector.

When intense sunlight is shining onto the reference

area or the installation location, the measurements

should not be taken. Under certain circumstances

darkening the room may improve the measurement

results.

● Movement block

Basic function of a movement block

A staircase timer is "integrated" into a movement

block. When the ambient brightness is too low and a

movement is detected, the movement block transmits

an ON telegram to the bus. When no further

movement is detected the staircase timer starts. An

OFF telegram is transmitted to the bus after a

parametrised time.

Brightness is measured only at the moment when

the first movement is detected. If further movement is

detected, an OFF telegram is not transmitted,

irrespective of brightness changes. The staircase

timer starts only when movement is no longer

detected, and an OFF telegram is transmitted after the

parametrised time period.

Block configuration

Up to five movement blocks are available. In the

default setting, block 1 is enabled.

Parameter

Movement detection

The device has a detection angle of 220°.

To suppress disturbance variables or if delayed

activation is required, a dead time for the start of

movement can be activated. The dead time is started

after movement has been detected (start of

movement). The start of movement action

(transmitting a telegram to the bus) can take place if a

movement is still detected within the movement time

after the dead time has elapsed.

In master mode or normal mode the movement time

corresponds to the staircase timer in the diagram

above. In slave mode or monitoring mode the

movement time corresponds to the cycle time. In

practice a large number of applications can be

implemented by means of the various blocks.

Block diagram of movement block

A block diagram clarifies the relationships between the

individual dependencies.

General

Parameter Setting

Safety pause via status feedback

object

Disabled

For OFF telegram

For ON and OFF telegram

Safety pause (1 - 20) seconds 1-20, preset: 2

Function Object name Type Prio Flags Behaviour

External

sensor

Actual value input 2

bytes

Low WCT

Transmit/

receive/

update

General

Parameter Setting

Actual value (brightness) From internal sensor

From object, actual value input

From internal sensor and object

Taking the separately measured

lux value (0% - 100%) into

account

0% - 100%, in 5% steps;

preconfiguration 50%

Block configuration

Parameter Setting

Movement block X Enabled

Disabled

OFF

Switch object

Movement

Time

Dead

Time

Movement

Time

Dead

Time

Movement

Time

Movement

Time

Movement

Time

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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Argus A2 Instrucciones de operaciones Pagina 6

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