參數(shù)資料
型號(hào)： 012D440
英文描述： DC FAN SPEED CONTROLLER 12V
中文描述： 直流12V的風(fēng)扇調(diào)速器
文件頁(yè)數(shù)： 2/2頁(yè)
文件大?。?/td> 168K
代理商： 012D440
33
CONTROL
RESOURCES
INCORPORATED
E-mail: sales@controlres.com s Web: www.controlres.com
Omni SD-DC — Installation & Operation
INSTALLATION
Mounting
To minimize EMI, mount the unit on a grounded
surface using a metal spacer at the mounting
hole that is surrounded by a conductive pad.
Sensor Selection
Sensors are shown on page 34. There is no polarity
consideration when connecting the sensor.
POWER
SUPPLY
Vs
+F
+
P
-
J1
-+
-
F
E
J3
S1
C
J2
SENSOR
R1 >= Va / 1 , kOhms
Va <= 30 VDC
V1 = Va, Above Trigger
V1 <= 0.4, Below Trigger
V1 = Va, Power Off to Unit
V1
Va
R1
FAN(S)
45
40
35
OPERATION
Fan Speed vs. Sensor Temperature
The relationship between fan speed, as a
percentage of full speed, and sensed temperature
is shown in Figure 2. Full speed occurs at the
Control Temperature (Tc).
Settings
Control Temperature (J2): Use this jumper to set
Control Temperature to 35°, 40°, or 45°C. Factory
setting is 40°C. If the P3 sensor is used, Control
Temperature settings are 74°, 80°, and 86°C.
Temperature Alarm Output (J3)
An over-temperature alarm output is provided
at header J3 to drive a logic circuit. Pins J3:C
and J3:E are internally connected to the collector
and emitter of a phototransistor, respectively.
This output is intended for connection to a
logic circuit.
Alarm Type:
Optically Isolated Phototransistor
Trigger:
10°C Above Control Temperature
Alarm States:
Conducting (Closed), Below Trigger,
Cut-Off (Open), Above Trigger,
Cut-Off (Open), Un-powered State
Max. Voltage:
30 VDC
Max. Current
1 mA DC
Suggested Connecting Hardware
Ref.
Desc.
Header on
Board1
Quantity
Description
Manufacturer1
Part Number1
J1
26-48-1065
J3
22-29-2041
1
6
1
4
1
H104 Hardware Pack
Housing
Terminal (tin)
Housing
Terminal (gold)
PCB Support
Aluminum Spacer
Screw, 6-32X 5/8
Nut, 6-32
Molex
Richco
09-50-8061
08-50-0106
22-01-3047
08-55-0102
CBS-4-19
ALSS6-2
1or equivalent
Connections/Jumpers
TC
C
- 3C
T C
Fan Speed vs. Sensor Temperature
100%
50%
Figure 2
Fan speed vs
sensor temperature
Figure 1
Wiring Diagram
J1 – Input Power and Fan Power
J2 – Control Temperature Setting
J3 – Sensor Input and Alarm Output
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