The RTU+ is an electronic device that has digital and analog inputs and outputs, as well as several integrated communication interfaces.

It is an ideal product to implement monitoring, acquisition and control applications over a distributed data network.


Programming capability

The RTU+ is programmable in a simple high level language, giving it the ability to carry out complex control tasks without the need of a central system.

Communication protocols

The device is compatible with the MODBUS protocol in all its communication interfaces for industrial applications and also with the MQTT protocol for IoT applications, which easily allows its connection to the cloud.

Device network

Each device can be configured as a master or slave on any of its communication interfaces. For example, it is possible to build a mesh network where one of the equipment acts as a hub for the information of the other devices.

Technical specifications

Power Supply

Input voltage

12 to 30 VDC

Nominal current

100mA @ 12V

Low power mode current

6mA @ 12V



Programmable in high level language similar to C



RS232 and RS485.

Configurable baudrate and parity


Static IP, DHCP, PPPoE

Modem (optional)

GSM/GPRS Quad Band 850/900/1800/1900 MHz
UMTS/HSDPA Dual Band 850/2100 MHz
Data connection and customized SMS

Mesh (optional)


GPS (optional)

Position and speed



MODBUS master and slave

Inputs and Outputs

Digital inputs

8 opto-isolated

Digital outputs

8 opto-isolated relays

Up to 300VAC and 100mA

Analog inputs

5 current/voltage – 0 to 20mA / 0 to 10V

12 bit resolution

Analog outputs

2 voltage – 0 to 10V

12 bit resolution

Event Log History

Up to 64.000 events

Log of any variable from the local program

State changes in digital input

State changes in digital output

Analog inputs greater or less than a configurable threshold

Periodic log of digital or analog inputs and digital outputs (configurable time in steps of 1 minute)

Physical characteristics


106 x 90 x 58 mm

Operating temperature

-30 to 60 ºC


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