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The MGS1600 is a magnetic guide sensor capable of detecting and reporting the position of a magnetic field along its horizontal axis. The sensor is intended for line following robotic applications, using a magnetic tape to form a track guide on the floor.

The sensor uses advanced signal processing to accurately measure its lateral distance from the center of the track, with millimeter resolution, resulting in nearly 160 points end to end. Tape position information can be output in numerical format on the sensor's RS232 or USB ports. The position is also reported as a 0 to 5V voltage output and as a variable PWM output.

The sensor will detect and manage up to 2-way forks and can be instructed to follow the left or right track using commands issued via the serial/USB ports, or using the state of two digital inputs. All of the sensor's operating parameters and commands are also accessible via its CAN bus interface.

In addition to detecting a magnetic guide track to follow, the sensor will detect and report the presence of magnetic markers that may be positioned on the left or right side of the track. The sensor is equipped with several LEDs for easy monitoring and diagnostics. The sensor incorporates a high performance, Basic-like scripting language that allows users to add customized functionality to the sensor. A PC utility is provided for configuring the sensor, capture and plot the sensor data on a strip chart recorder, and visualize in real time the magnetic field as it is seen by the sensor.

The sensor firmware can be updated in the field to take advantage of new features as they become available.

Roboteq sells adhesive magnetic tape of 25mm (1") and 50mm (2") width, in 50 meter (150ft) rolls. These are availabe from our online store.

The MGS1600GY includes a 3-axis Gyroscope that can be used to provide additional stability and guidance to the vehicle.

MGS1600 -
Part No. Description Price Stock
MGS1600GY Enclosed IP64 160 mm wide magnetic track sensor with 3-axis Gyroscope, serial, USB, analog, PWM and $445
∗ Standard lead time is 1 week


  • Capture Width: 160mm
  • Resolution: 1mm +/- 0.5mm
  • Update Rate: 100Hz
  • Operating Height: 10mm to 60mm
  • Magnetic Tape Width: 25mm or 50mm, user selectable
  • Fork and Merge Management: Up to 2-way fork and merge detection and management
  • Serial Interface: RS232. 115200 bauds
  • USB Interface: 12-Mbit/s, type B connector
  • CAN Interface: up to 1Mbit/s
  • Analog Output: 0V to 3V. 1.5V at center
  • PWM Output: 50% duty cycle at center. User selectable 250Hz or 500Hz frequency and min and max duty cycle
  • Multi-PWM Output: Seamless direct interface output to any Roboteq Motor controller
  • Digital Inputs: 2 inputs for "follow left or right" command at forks
  • Digital Outputs: 3 outputs for "tape present" and left/right marker detect
  • Max Program Size: up to 750 lines of Basic-language code, 1000 user variables
  • Execution Speed: Higher than 50,000 lines per sec
  • Operating Voltage: 5V to 15V
  • Power Consumption: 50mA
  • Operating Temperature: -40 to +85oC operating environment
  • Enclosure: Case
  • Sensor size: 165 mm wide x 30 mm deep x 25 mm tall
  • Weight: 100g