Supported equipment & data transfer

Supported telemetry unit types, their classification by power and interface, the list of compatible devices, and data transfer methods.

Supported hardware types

Modern IoT solutions require a flexible approach to selecting hardware components, especially in telemetry systems. Telemetry units act as the key link between physical devices and the IIoT Platform, and they differ in several critical parameters.

Devices are classified by several criteria, described below along with their technical features.

Classification of telemetry units

Power supply system

Telemetry units are adapted to work in a variety of conditions, which is reflected in their power supply options:

  • Mains-powered devices: Powered by an AC network (220 V). Suitable for stationary objects with constant access to the power grid.
  • Autonomous solutions: Long-life batteries (up to 5 years in low-power mode). Ideal for autonomous IoT devices without access to the power grid.
  • Hybrid systems: A combination of solar panels, batteries, and backup mains power. Used in industrial facilities with a risk of power outages.

Key parameters:

  • Supply voltage: 3.7 V (DC) / 100–240 V (AC).
  • Power consumption in standby mode: ≤ 0.1 W.
  • Battery life: Depends on the battery type and data transfer frequency (configurable via the platform).

External interface types

The units support the following interface types:

  • RS-232/RS-485/UART-TTL: Physical-layer standard for asynchronous interfaces.
  • Optical port: For IrDA optical read heads.

List of supported devices

The following certified telemetry units are compatible with the platform:

Telemetry unit typePower supply systemExternal interface typesServer exchange protocol
VADTel-IIoTU2Combined:
  • External 220 V
  • Autonomous 3.7 V 4000 mAh
RS-232
RS-485 Full Duplex
RS-485 Half Duplex
Type-T
VADTel-IIoTU3External power supply 220 VRS-232
RS-485 Full Duplex
RS-485 Half Duplex
Type-T
VADTel-AIoTU5Autonomous power supply 3.7 V 2000 mAhMagnetic sensorType-J
VADTel-AIIoTU8Autonomous power supply 3.7 V 8000 mAhRS-232
RS-485 Full Duplex
RS-485 Half Duplex
Type-T
VADTel-SENSAutonomous power supply 3.7 V 6000 mAhPressure and temperature sensorType-J

Data transfer methods

The platform implements the following methods of transmitting data to the server:

  • Request/response mode, via the Type-T and Type-J protocols, for data exchange between the IoT device and the server.
  • Direct data transfer initiated by the IoT device, via the Type-J protocol.

Data transfer via the Type-J protocol is possible both to the platform and to third-party OPC servers (for subsequent transfer to SCADA systems) and servers that support drivers.

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