Ultrasonic Sensor Module for a Robot - HG-M40/HG-L40 Series

  • Ultrasonic Sensor Module for a Robot
  • Ultrasonic Sensor Module for a Robot
  • Ultrasonic Sensor Module for a Robot
  • Ultrasonic Sensor Module for a Robot
  • Ultrasonic Sensor Module for a Robot
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• Frequency: 40±2 KHz)
• Input Pulse: TTL or Pulse (2 V ~ 10 V)
• Repetition Rate of Input Pulse: 10 Hz ~ 30 Hz
• Input DC Power (Vdc): 10 V ~ 16 V
• Driving Voltage for Sensor: 60~70 Vpp at 12V Vdc
• Output Signal: 5 V TTL
• Minimum Dead Zone
• 3 types of Modules

  • Model Number: HG-M40/HG-L40 Series
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

HG-M40/HG-L40 Series Ultrasonic Sensor Module Description

1. Module
① Transceiver(D) :
• Not only it works as Transceiver module but also it can be used as transmitter or receiver with different wire connection. Transceiver can detect from 30cm~40cm and farther since it has to transmit the ultrasonic waves and wait until it returns. However, it is possible to perceive whether objects are there or not.
② Transmitter(T) : Only transmits the ultrasonic waves.
③ Receiver(R) : Only receives the ultrasonic waves.
※ 1~2cm of close detection is available when 2 or more sets of transmitters and receivers are used.
※ In the same way, even in the case of Transceiver, when it is used as either Transmitter or Receiver independently, it can measure an obstacle as nearest as 1~2Cm.

2. Mode
① Trigger Input Mode (M-type)
② Burst Input Mode (L-type)

3. Difference between M-type and L-type.
Trigger Input Mode Burst Input Mode
- Built in 40kHz oscillator
- Always ‘Standby’
- Wave occurs one by one with external trigger pulse.
- Pulse frequency is adjustable but trigger burst and 
duration time(approx. 1mS) are fixed.

- Strong ultrasonic wave with low click noise.
- Simple structure with only amplifier and output circuitry 
(No oscillator).

- External 40 kHz burst signal must be given to operate. 
(external oscillator or software is needed to make signal)

- Changeable pulse frequency, duration time and 
radio frequency at user's convenience.

- Multi channel available with CPU circuit or S/W.

HG-M40/HG-L40
Series 
Ultrasonic Sensor Module for a Robot Features
• Object Detector and Range Finder
• Medium Range
• Various Directivities
• Low 'Click Noise'
• Indoor Environment
• Minimum Dead Zone
• Real-Time Signal(5V TTL)
• Operates at 40kHz
• 3 types of Modules
  - Transceiver(HG-M40D)
  - Transmitter(HG-M40T)
  - Receiver(HG-M40R)

HG-M40/HG-L40 Series Ultrasonic Sensor Module for a Robot Specifications
Frequency (KHz)
40±2
Input Pulse
TTL or Pulse
(2 V ~ 10 V)
Repetition Rate of Input Pulse
10 Hz ~ 30 Hz
Input DC Power (Vdc)
10 V ~ 16 V
Driving Voltage for Sensor
60~70 Vpp at 12V Vdc
Output Signal
5 V TTL
Available for a transmitter only, a receiver only or a dual type
(both a transmitter and a receiver)

HG-M40/HG-L40 Series Ultrasonic Sensor Module for a Robot Product Line-Up

Type
Mode
Module
Model Name
Directivity (°)
Distance (m)
Conventional
(C)
Trigger Input
Duplex
Transmitter
Receiver
HG-M40DC
HG-M40TC
HG-M40RC
65
0.4 ~ 4.5m
0 ~ 6m
0 ~ 6m
Burst Input
Duplex
Transmitter
Receiver
HG-L40DC
HG-L40TC
HG-L40RC
0.4 ~ 6m
0 ~ 6m
0 ~ 6m
Anistropic
(A)
Trigger Input
Transmitter
Receiver
HG-M40TA
HG-M40RA
H : 160
V : 65
0 ~ 3.5m
Burst Input
Transmitter
Receiver
HG-L40TA
HG-L40RA
Broad
(B)
Trigger Input
Transmitter
Receiver
HG-M40TB
HG-M40RB
150
0 ~ 2m
Burst Input
Transmitter
Receiver
HG-L40TB
HG-L40RB
Narrow Type1
(N1)
Trigger Input
Duplex
HG-M40DN1
12
0.4 ~ 9m
Burst Input
Duplex
HG-L40DN1
Narrow Type2
(N2)
Trigger Input
Duplex
HG-M40DN2
25
0.4 ~ 7m
Burst Input
Duplex
HG-M40DN2


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