EKO INSTRUMENTS CO., LTD. Sunshine Duration Meter MS-093 Instruction Manual Ver.4
Pg. 13
4. Mounting Blower Fan (Optional)
Follow below procedure to install the optional Blower Fan:
1) If the latitude of the installation site is less than 30 degrees, remove the Blower Fan Skirt which is
attached by 2 screws.
2) Loosen the Blower Fan Fixing Screws first, then place the Blower Fan on the black part of the Sunshine
Duration Meter; be careful with Glass Tube Cover. Adjust the Blower Fan position so that the air outlet
side of the Blower Fan should come directly under the Reflecting Mirror; fasten the Blower Fan with Fan
Fixing Screws.
In case of use in snowy region and the snow accumulates above the Glass Tube Cover, tilt the Blower
Fan by 30 degrees in East direction from the position directly under the Reflecting Mirror to achieve the
effects of the Blower Fan.
3) Connect the power cable for the Blower Fan toDC12V.
5. Connecting Cables
1)
Connect the sensor cable to the Sunshine Duration Meter connector.
This connector is waterproof; make sure to securely fasten the connector till the connector ring is
completely closed.
2)
When Reset Box is used, connect the Sunshine Duration Meter Sensor Cable to the “Sunshine Duration
Meter” side terminal. Also, connect the Reset Box Junction Cable to the Power Supply part.
3)
If Reset Box is not used, connect the Sensor Cable to the Power.
The cable colors and their definition of signals are as follows:
Table 5-3. Cable Colors and Outputs
Connector
Pin No.
Cable Color
Definition of Signals
Reset Box
Terminal
Power Box
Terminal
No.
Terminal Names
1 Red Power
Supply
＋
12V
+12V
1
OUT PUT DC12V +
2
Green
Power Supply 0V
0V
2
OUT PUT DC12V -
3
White
Sunshine Duration Pulse +
SD+
3
IN PUT PULSE +
4
Black
Sunshine Duration Pulse -
SD-
4
IN PUT PULSE -
5 Shield
Cable
FG
E
5
FG
－
－
Sunshine Duration Pulse +
－
9
OUT PUT PULSE +
－
－
Sunshine Duration Pulse -
－
10
OUT PUT PULSE -
Connect the Sunshine Duration Meter, Power Box and, and data logger in following manner in order to
obtain the signal from the Power Box.
Figure 5-7. Cable Connection
Sunshine
Duration
Meter
Power
Box
(Optional)
Data
Logger
Sensor
Cable
Pulse
Output
Cable
Reset
Box
(Optional)
Reset Box Junction Cable
