Trailer tracking that follows the freight, not the truck.
frameLOGIC trailer tracking pairs trailers with tractors automatically, reads cargo temperature to 0.1 °C, and records every opening of the cargo doors. Dispatch sees in one view where each load is, who is pulling it, and who is responsible for it.
Two ways to pair trailers with tractors.
frameLOGIC pairs a trailer with its tractor by one of two methods. The first is a unique algorithm that matches the recorder in the tractor to the one in the trailer, with no manual input. The second is a fixed trailer-to-vehicle assignment in the system, which requires no recorder in the trailer at all. Whichever option you run, the effect is the same: you know exactly where the freight is, who is carrying it, and who answers for it. Trailer positions sit alongside the rest of your GPS fleet tracking data, so dispatch works from one map.
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What the trailer and reefer monitoring toolkit covers
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Pairing algorithm
The algorithm pairs the recorder in the tractor with the one in the trailer automatically, with no manual assignment at the yard.
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Fixed assignment
Bind a trailer rigidly to a vehicle in the system. This option requires no recorder in the trailer at all.
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Certified temperature sensors
Sensors certified for food and pharmaceutical transport, meeting the required accuracy of 0.1 °C.
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Multi-zone measurement
Readings from several points track temperature across different zones of the cargo space, and confirm the space is properly prepared before loading.
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Threshold alarms
An alert fires on every breach of the minimum and maximum temperatures defined in the system, which keeps transport conditions under control.
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Door-opening sensor
Every opening of the cargo doors is identified and checked against defined loading and unloading sites. Paired with an alarm siren, it doubles as theft protection.
What the reefer reports, hour by hour.
Door status, chassis type, axle load and trailer weight sit beside the temperature trend from the sensors over the past few hours. The trailer appears on the same map as the tractor pulling it.
Trailer tracking – common questions
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How does tractor-trailer pairing work?
Two methods are available. The algorithm pairs the recorder in the tractor with the one in the trailer automatically. Or the trailer is rigidly assigned to a vehicle in the system, with no recorder in the trailer needed. Both tell you where the freight is, who is carrying it, and who is responsible for it.
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Can the system monitor temperature in refrigerated trailers?
Yes. The temperature sensors are certified for food and pharmaceutical transport and meet the required accuracy of 0.1 °C. Measurement from several points covers different zones of the cargo space, and every breach of the defined minimum or maximum triggers an alarm. Measurement runs before loading as well, so you can see whether the space is at the right temperature.
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How does the door sensor help prevent cargo theft?
The sensor identifies every opening of the trailer doors and verifies it against previously defined loading and unloading sites. Doors opened outside the areas marked on the map raise an automatic alarm, and a connected siren acts as the deterrent.
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Does every trailer need its own recorder?
No. The fixed-assignment method binds a trailer to a vehicle in the system without any hardware in the trailer. The recorder-based pairing algorithm adds trailer-side data: position, temperature, and door events. That data sits alongside the rest of your fleet management records.