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Joint Torque Sensor(ATSB)

✅ revision date: 2023.10.26

1. Introduction

1.1 Joint Torque Sensor, ATSB series

image-png-Sep-01-2025-04-20-51-7939-AM

1.2 Key features

  • Ultra-Thin torque sensor

  • All-in-one sensor (No additional amplifier)

  • Two Channel ouput data for safety

  • Overloading 300%

  • Digital output communications (CAN, etc)

  • Easy installation and data collection

  • Collaborative robot, industry application, automation

1.3 Specs.

Index Unit ATSB 50 ATSB 100 ATSB 200 ATSB 400
Operating voltage  VDC 5 5 5 5
Max. safe excitation voltage  VDC 10 10 10 10
Nominal torque range(TN)  Nm 50 100 200 400
Overload (related TN)  % 300 300 300 300
Resolution  Nm 0.01 0.015 0.025 0.05
Noise-free resolution (STD) Nm 0.03 0.05 0.1 0.2
Dimensions  mm D84 x H14 D100 x H16 D100 x H18 D120 X H20
Weight  g 120 190 210 310
Sample rate Hz 1,000 1,000 1,000 1,000
Temperature    10-50℃ 10-50℃ 10-50℃ 10-50℃
Interfaces    CAN(2.0 A/B) CAN(2.0 A/B) CAN(2.0 A/B) CAN(2.0 A/B)
Connector    4 PIN
VCC / GND / CAN_H / CAN_L
4 PIN
VCC / GND / CAN_H / CAN_L
4 PIN
VCC / GND / CAN_H / CAN_L
4 PIN
VCC / GND / CAN_H / CAN_L

1.4 Flyer

[AIDIN ROBOTICS] ATSB leaflet(EN, 25.10).pdf

 

2. Installation Guide

2.1 Components

  • Torque sensor 1 EA

  • No separate components other than special order (integrated cable)

2.2 Mounting

  • Required to tighten with appropriate torque for each bolt.

  • When disassembling the sensor's own bolts, performance is not guaranteed and A/S is not possible. 

    Be careful of cable cutting and excessive pulling.
  • The lower fastening part is a counterbore, and the upper fastening part is composed of a tap.

  • Example of torque sensor connection (the thickness of the part connected to the top is recommended to be at least 10t)

  • Do not apply pressure to the upper and lower covers.

image-png-Sep-01-2025-04-33-55-7154-AM

  • Appropriate tightening torque table for each bolt

    Bolt Tightening torque Torque wrench example
    M3 20 kgfcm 100QL-MH, 50QL-MH
    M4 45 kgfcm 100QL-MH, 50QL-MH
    M5 75 kgfcm 100QL-MH, 150QL-MH
    M6 120 kgfcm 150QL-MH, 225QL-MH

💡 If the tightening torque is not observed, data may not be output properly.

We recommend tightening with an appropriate torque using a torque wrench.

2D drawing

  • ATSB50-D84

image-png-Sep-01-2025-04-35-57-2394-AM

  • ATSB100-D100

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  • ATSB200-D100

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  • ATSB400-D120

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ATSB_SERIES_2D_Drawings.zip

ATSB_SERIES_3D_CAD.zip

 

2.3 Wiring

  • Pinout 4pin (CAN_H, CAN_L, V, GND)

  • Apply appropriate operating voltage to Vin (red) (5-10 V)

  • Connect GND (black) and shield (copper wire)

  • 120 ohm termination resistance is required between CAN_H (white) and CAN_L (green)

image-png-Sep-01-2025-04-45-55-2000-AM

2.4 Communication

  • CAN protocol

    • CAN 2.0A

    • Baud rate: 1Mbps

    • Number of Data: 2 Bytes

    • sampling rate 1kHz

  • CAN data output

    • The default ID is 0x01

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  • CAN ID Setting mode

    • ex) Change ID to 0x0A: ID 0x102, Data 01 01 0A (hexadecimal)

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2.5 Sample program

  • USB-to-CAN device driver installation

    • You can use other CAN support boards, but you must use an IXXAT converter to use the provided sample program.

image-png-Sep-01-2025-04-49-09-5528-AM

USB-to-CAN V2 (ixxat.com), used version: 1.01.0281.11001

Downloads and Documentation for Ixxat Products, VCI V4 - Windows 11, 10, 8, 7 [Driver, canAnalyser-Mini, Manuals, LabView and other add-ons]*

*Check VCI V4 during installation and reboot PC after installation.

  • IXXAT CAN monitor

    • CanAnalyzer3 Mini windows key→ IXXAT folder → IXXAT CanAnalyzer3 Mini

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  • Sample program provided by Aidin Robotics

    • Install the IXXAT CAN VCI V4 and installer

      Installer.zip
    • Sample program
    • Program for storing 1kHz data

      • Up to 24 hours of storage

      • 4GB of free memory recommended

      • CLEAR: Resets the graph history.

      • SAVE: Save the graph history to a file.

      • ATS_sample_program_v4.1.zip
  • Pop-up screen when running sample program

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① Program run

Run the sample program. It runs automatically the first time you run it, and after STOP, you can run it by pressing the run button.

② Graph plot

You can check real-time torque (Tz) data in a graph.

③ CAN ID

Set the CAN ID of the connected sensor. If there is more than one ID, enter the lowest ID. ex) In case of 0x10(16), 0x11(17), enter 16 in decimal.

④BIAS

The value is initialized to 0 based on the current torque value. By eliminating installation and attachment factors, the desired force value can be measured.

⑤STOP

Exit the program. Press both STOP buttons and the program ends 3 seconds later.

⑥ Collect Data

Save the torque data log. Please refer to the explanation regarding data storage on the page below.

  • Save data log
  1. Set storage directory

    The file name is saved with time in the current directory of the sample program.

  2. Data log storage

    Click the button below Collect Data to start saving. When saving, the button appears in fluorescent color. To end saving, press the same button to end it. Data is stored cumulatively in files, so it is recommended that you specify a new file for each save.

    image-png-Sep-01-2025-05-10-29-4741-AM
  3. Check data log 

    You can check the saved torque data by opening the file in the directory. (Unit Nm)

    image-png-Sep-01-2025-05-11-07-5206-AM

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