
© 2008 Schneider Electric
● Master/slave planning via the trigger object or
master trigger object
General information regarding the trigger object
and master trigger object
The trigger object acts on the staircase timer without
brightness measurement. Object value "1" starts the
staircase timer (start of movement action) while
further "1" telegrams retrigger the staircase timer, if
enabled.
Object value "0" can switch the staircase timer off (end
of movement time action), if enabled.
The master trigger object acts on the staircase timer
with brightness measurement. Object value "1" starts
the staircase timer (start of movement action) while
further "1" telegrams retrigger the staircase timer, if
enabled.
Object value "0" has no meaning as regards the master
trigger object.
The parameters "Trigger object observes the safety
pause" (enabled/disabled) and "Master trigger object
observes the safety pause" (enabled/disabled)
determine the effect of the safety pause on the two
external trigger objects.
Application example 1:
Slave as movement detector (not brightness-
dependent) and master as movement detector
(not brightness-dependent)
– System not brightness-dependent
– Slave transmits ON telegrams cyclically after
movement
– Master switches on actuator when movement
detected or trigger
– Master retriggers staircase timer when movement
detected or trigger
– Master switches off when staircase timer elapses
– Cycle time slave maximum staircase timer / 2
– Staircase timer retriggerable via movement / master
trigger / trigger
Application example 2:
Slave as movement detector (not brightness-
dependent) and master as movement detector
(brightness-dependent)
– Master evaluates brightness locally
– Slave transmits ON telegrams cyclically after
movement
– Master switches on actuator upon movement
detection or master trigger if it is too dark
– Master retriggers staircase timer upon movement
detection or trigger, if previously switched on
– Master switches off when staircase timer elapses
– Cycle time slave maximum staircase timer / 2
– Staircase timer retriggerable via movement / master
trigger / trigger
Application example 3:
Slave as movement detector (brightness-
dependent) and master as movement detector
(brightness-dependent)
– Master and slave evaluate the brightness
– Slave sends ON telegrams cyclically upon
movement detection if it is too dark or "Always-dark
object" is "1".
– Master switches on actuator upon movement
detection, if it is too dark
– Master switches on actuator upon trigger
– Master retriggers staircase timer upon movement
detection or trigger, if previously switched on
– Master switches off when staircase timer elapses
(always-dark object again "0")
Block X, general movement
sensors
Parameter Setting
Range object (for all sensors) Disabled
Enabled
Block X, general brightness
Parameter Setting
Brightness threshold object Disabled
Enabled
Switch actuator
Switch obj.
Switch obj.
Switch obj.
Status feedback obj.
Status feedback obj.
1 to n slaves
Movement slave
Not
brightness-dep.
Movement master
Not
brightness-dep.
Trigger obj.
or master
trigger obj.
Switch actuator
Switch object
Master trig. obj.
Switch obj.
Switch obj.
Status feedback obj.
Status feedback obj.
1 to n slaves
Movement slave
Not
brightness-dep.
Movement master
Brightness-dep.
Switch actuator
Switch obj.
Trigger obj.
Switch obj.
Switch obj.
Status feedback obj.
Status feedback obj.
1 to n slaves
Always-
dark
obj.
Movement slave
Brightness-dep.
Movement master
Brightness-dep.
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