Zone Name:
Custom description (User Def) or select from a drop
down list
User Defined Name:
Enter required name
Photocell:
None (no photocell), Inside photocell, Outside
photocell or Skylight
Control Sensor: Min:
The lowest-reading photocell at any given
time will be used as the control sensor.
Max:
The highest-reading
photocell at any given time will be used as the control sensor.
Average:
All photocells are averaged, and the average value is
used as the control sensor value.
Photocell ID#1
(etc.): If any
specific photocell is selected , its value alone will be used as the
control sensor value.
Num of Schedules:
The number of schedules for this point.
Control Method:
Schd and photo:
For this point to be on, two
conditions have to be satisfied: (1) the schedule must be true; and
(2) the photocell must be above trip level. Once those two
conditions are satisfied, the pre-delay timer will start.
Schd or
photo:
For this point to be on, either of two conditions must be
satisfied: (1) the schedule must be true; or (2) the photocell must
be above trip level. Once one of those two conditions is satisfied,
the pre-delay timer will start.
Tip!
For outside lighting control via photocell, the light level needs
to be below the trip level. In the case of interior lighting, turn off
lights when we’re above a trip level.
Num of control relays:
Each zone is controlled by a relay output
(digital output) on the I/O network.
Trip Level %:
The % level at which the photocell condition will be
true and act to turn the lights on. (If multiple relays are configured,
there will be one trip level per relay.)
Range: +/-:
The range selected creates a dead band.
Pre Delay:
When lights are off, the number of minutes that the
lighting condition must be satisfied before lights will be turned
on.
Post Delay:
When lights are on, the number of minutes that the
lighting condition must be false before lights will be turned off.
Minimum on Time:
When lights are turned on, the number of
minutes that they must remain on before being turned off.
Minimum off Time:
When lights are turned off, the number of
minutes that they must remain off before being turned on.
Override Switch:
(Yes / No) Whether or not there is an override
switch assigned to the zone.
Override Duration: The duration of an override when the
override switch is used.
Burglar Override:
When this zone’s lights are turned off, whether
they are to be turned on when a monitored burglar alarm is
sensed.
Fire Override:
When this zone’s lights are turned off, whether
they are to be turned on when a monitored fire alarm is sensed.
There is no pre-delay for fire alarms.
Enable Dimmer output
: Whether or not a dimmer variable
output will be controlled.
Target %:
The photocell level that the controller will seek to
maintain by operation of the dimmer.
Minimum output (0.0v):
The minimum dimmer level.
Maximum output (10.0v):
The maximum dimmer level.
Algorithm sensitivity:
Algorithm interval:
Max rate of change (% / Sec):
Tip!
Target % applies if ‘inside’ or ‘outside’ photocell used. If a
skylight photocell used, then the min output/max output (slope
between 2 points) approach is enabled.
Schedules:
Type 1:
Standard (directly linked with AK-SC lighting sched-
ule), Relative (a time that is defined before or after the scheduled
start /
stop times).
Start1:
Scheduled Start time
Stop 1:
Scheduled Stop time
Days 1:
Days of the week that will apply to this schedule
Holidays:
Holidays that will apply to this schedule
AK-SM 850
User Guide
Lit. no.
USCO.PI.R1.E1.02 © Danfoss 07-2013
53