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Combi ASIC Ultrasonic
Sensor & Module
(HG-B40 Series)
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
Combi ASIC Ultrasonic Sensor & Module
Model : HG-B40C, HG-B40A
▣ Features
• Low-power, high-sensitivity module.
• Choose from a wide variety of input/output Mode.
• Auto sensitivity control function as a distance
proportional to the distance error captain.
• The same standards as existing foreign products and
mutually replaceable.
▣ Specification
Frequency (KHz)
40±2
Free Run
No Connection
TTL Pulse
(100~700 ㎲)
Transmit Mode
External Trigger
Repetition Rate
(10~30 time / sec)
Receiver Output
Analog
±2 V max at 2.5 V Base Line
Real Time Pulse
4~5 V TTL, All the objects detected
Distance Pulse
4~5 V TTL
Only the nearest Object
Low Voltage Type
(5 V dc)
0~3 m (Conventional, HG-B40C)
High Voltage Type
(12 V dc)
0~6 m (Conventional, HG-B40C)
0~3 m (Anistropic, HG-B40A)
Signal
Input DC
& Detecting Range
(at in front angle
flat plate)
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
Combi ASIC Ultrasonic Sensor & Module
Model : HG-B40C, HG-B40A
▣ Terminals & Parts Description
6
12
1
2
8
3
4
10
5
11
7
(HG-B40C)
(HG-B40A)
43
9
20
14
① GND
② DC input power terminal : 5V±0.5V (For low voltage type only), 6~16V (For
high voltage type)
③ Distance pulse output : The pulse width is proportional to the distance
④ Receive analog signal output : Amplified receive signal (Real time)
⑤ Receive pulse output : Real time square wave form of receiver
⑥ Internal ultrasonic frequency adjust VR(VR1) : 40 kHz ±2 kHz (Adjusted in
factory) <Please do not change this setting>
⑦ Receiver gain adjust VR(VR2)
⑧ GND
⑨ Trigger input / output :
− External Trigger Mode : signal input (100 ㎲ ~ 700 ㎲ pulse width TTL is
recommended)
− Free Run Mode(Internal Trigger) : Transmitting timing signal output(monitor)
⑩ Transmit mode select pad(JP2) :
− External trigger input mode : open
− Free run mode : Short with soldering (Factory Default)
⑪ Auto Time gain control (T.G.A) mode select pad(JP1) : Auto gain control
(open), Maximum fixed gain (Short with soldering)
⑫ DC input power select pad(JP3) : 6~16V High-voltage type factory
– 5V Low-voltage type : Short with soldering
– 6~16V High-voltage type : open (Factory Default)
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
Combi ASIC Ultrasonic Sensor & Module
Model : HG-B40C, HG-B40A
▣ Timing Chart
V
4~5 V
Trigger Input Pulse Width = 100~700 ㎲
Distance
(Time)
(A)
4~5 V
Burst Gate Signal
(Trigger Pulse Width + 350 ㎲)
(B)
Ultrasonic Vibration of Transmitter
(C)
Receiver Analog Signal
(Terminal ④)
4 V max
(D)
2.5 V
T.O.F
4~5 V
Receiver Pulse Output
(Terminal ⑤)
(E)
Distance
Distance Pulse Output
(Terminal ③)
(F)
4~5 V
※ If the transmit mode is selected to Free Run Mode
The burst gate signal (B) can be observed at monitor terminal and its
pulse width is about 600 ㎲ fixed.
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
Combi ASIC Ultrasonic Sensor & Module
Model : HG-B40C, HG-B40A
▣ The Effect of T.G.A. (Time Gain Amplification)
V
Analog
Distance
V
Receive Pulse
(Non T.G.A.)
Distance
The longer distance, the smaller signal level
V
Analog
Distance
V
Receive Pulse
(T.G.A. Function)
Distance
Constant level can be obtained not to depend on distance
Gain(dB)
70 dB
46 dB
Distance
1m
2m
Characteristics of Gain Control vs. Distance (Time)
(Compensation proportional to distance in the range of 0~2m
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
Combi ASIC Ultrasonic Sensor & Module
Model : HG-B40C, HG-B40A
▣ Select the option Guide
• Option1) Transmit mode selection order spec
− Free Run Mode :
→ As soon as you connect the power only works. (easy at exclusive use.)
→ In this case, the Terminal through the Trigger signal to the Monitor.
→ PCB Jumper Pad(JP2) soldering connection. (You can also remove an ondemand users.)
− External Trigger Mode :
→ Trigger signal to the frequency, and so on, so that works every time the
trigger is in external CPU cycles, control. (When using the integration needs.)
→ PCB Jumper Pad(JP2) are not soldered in. (If necessary: soldering paste can
be used as a Free Run Mode).
• Option2) Input DC power accordance with the order spec
− Low Voltage Type (5V) :
→ 5V-only 4.5~5.5 V as actually available. (In addition, this does not work, or a
malfunction in the range of m.)
→ Sensitivity is a little weak but close enough to be practical.
− High Voltage Type (12V) :
→ 6~16 V can write freely in a range of sensitivity is high. (Voltage, the higher
the sensitivity.)
→ In this setting, the behavior is possible but with sensitivity as low as 5V
power is slightly unstable. (5V low-voltage PCB Jumper Pad(JP3) for
paragraph.)
Hagisonic Co., Ltd. ….………………..…………………………….….. www.hagisonic.com / hagisonic@hagisonic.com
Tel : +82-42-936-7740 / Fax : +82-42-936-7742
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