Waspmote Plug & Sense!

4-20 mA current loop

The applications for this Plug & Sense! model are focused on adding wireless connectivity to 4-20 mA devices and connecting them to the Cloud.

Figure: 4-20 mA Current Loop Waspmote Plug & Sense! model

Sensor sockets are configured as shown in the table below. It shows the sensor sockets configuration for 4-20 mA Current Loop model with the sensor probes allowed for each sensor socket.

Sensor socket

Board channel



Channel 1 (type 2 and type 3)

9270-P, DB9-P


Channel 2 (type 2 and type 3)

9270-P, DB9-P


Channel 3 (type 2 and type 3)

9270-P, DB9-P


Channel 4 (type 4)

9270-P, DB9-P

For more technical information about each sensor probe go to the development section on the Libelium website.