EKO INSTRUMENTS CO., LTD. Sunshine Duration Meter MS-093 Instruction Manual Ver.4
Pg. 8
Sensor Head Part
Electric Circuit Part
5. Getting
Started
5-1. Sunshine Duration Meter Configuration
Each part name and its main functions are described below.
1. Sensor Head Part
The sensor head part is constructed with scattering light reflecting mirror which rotates along the axis of the
body and light receiving element.
2. Electric Circuit Part
The electric circuit part contains control circuit components such as motor and CPLD.
3. Reset Box (Optional)
This unit monitors the movement of the mirror, and when the mirror rotation stopped, it resets the power to
restart the mirror rotation.
4. Power Box (Optional)
The power box supplies power to the MS-093 Sunshine Duration Meter main unit by generating DC12V from
the AC85-264V.
Figure 5-1. Sunshine Duration Meter Configuration
Sunshine
Output
AC85-264V
DC12V
Reset
Box
(Optional)
Power
Box
(Optional)
Sensor Head
Scattering light reflecting mirror
Sensor (Light receiving element)
Electric Circuit
Motor
Motor drive
Analog Circuit
Logic Circuit (CPLD)
