Introduction Daylight Sensor

Daylight Sensor
MS01
Daylight Sensor
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Introduction
Faced with the skyrocketing cost of energy and environmental
Provides an energy saving without sacrificing visual
concer ns, builders, architects and lighting experts are
comfort.
increasingly turning to daylighting as a primary source of
With ambient light dependent control.
illumination. and proper daylight can increase the comfort.
Directly connected to 1-10V interface.
To take full advantage of daylight integration, buildings should
Simple setting of the target light level by mean of
have automated controls that either turn off or dim artificial light
in response to the available daylight in the space. this is called
potentiometer.
‘daylight harvesting’.
Ms01 supplies a simple and effective solution for daylight
harvesting. connecting to 1-10V interface and using photocell to
measure ambient lux level and automatically calculate how
much artificial light is needed, and then convert the amount of
light to 1-10V dimmable control gears (ballasts or LED drivers).
1-10v dimmable control gears adjust the lighting output
according to the signal from the daylight sensor.
Daylight Sensor
MS01
MS01
MS01
12:00
11:00
10:00
window
8:00
Pic.1
50%
8:00
80%
8:00
100%
8:00
30%
10:00
50%
10:00
80%
10:00
10%
11:00
30%
11:00
50%
11:00
OFF
12:00
10%
12:00
40%
12:00
Daylight Sensor
Daylight sensor (MS01) + 1-10V dimmable ballast or LED driver (Any brand)
The lamp lights on 100% illumination or dims to maintain the preset
illumination level against ambient light.
The lamp dims to
minimum light level
but never turn off
even if with sufficient
ambient light.
Users can switch
off the light manually.
Wiring scheme
MS01
1- 10V
+ -
ON-OFF function sensor (MC008S) + Daylight sensor (MS01) + 1-10V dimmable ballast or LED driver (Any brand)
Ambient light larger than
preset illumination level
(Set by 1-10V daylight
sensor), the lamp keeps
off.
Ambient light below than
preset illumination level,
the lamp switches on
when motion is detected.
The lamp dims to minimum
light level but never turn off
even if with sufficient ambient
light.
The lamp lights on 100% illumination or dims to maintain the preset illumination level
against ambient light.
When no motion is detected,
the lamp switches off after
hold time.
Daylight Sensor
Wiring scheme
MC008S
Control Gear
L N N L
MS01
1-10V
+ -
LOAD
Motion detector (MC003V) + Daylight sensor (MS01) + 1-10V dimmable ballast or LED driver (Any brand)
When used in Merrytek motion detector MC003V, the system has automated controls that either turn off or dim
artificial light in response to the movement and available daylight in the space.
Ambient light larger than
preset illumination level
(Set by 1-10V daylight
sensor), the lamp keeps
off.
The lamp lights on 100% illumination or dims to maintain the preset illumination level
against ambient light.
Ambient light below than
preset illumination level,
the lamp switches on
when motion is detected.
12
6
3
6
If with sufficient ambient light,
the lamp turns off at once,
even with motion trigger.
If with insufficient ambient light, the lamp dims to a stand-by dimming level (Set in the motion
sensor) when no motion detected during hold time, and then switches off after stand-by period.
Wiring scheme
MC003V
MS01
L
N N
L
1- 10V
+
-
Daylight Sensor
Technical Parameters
Potentiometer for
adjusting target
light level
MS01
Installation head nut
Operating voltage
1~10Vdc
Max. current sink
50mA (Maximum rating)
Dimming range
1%-100%
Color coding of cable
Red +, Black -
Cable length
80cm
Detection angle
90°
Operating temperature
-0℃~45℃
IP rating
IP20
Summary
(MC018S,MC008S,MC001S)
Setting
For best result, target light level shall be 40%-80%
of total lux of luminaries.
MS01
12:00
11:00
10:00
8:00
window
50%
8:00
30%
10:00
10%
11:00
OFF
12:00

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