Sensor platform with interchangeable sensing probes
Mar 19 2021
The Sigma 05 acts as a sensor hub for E+E Elektronik’s intelligent Modbus probes. It makes it easy to set up a modular sensor platform with up to three probes and five measurands. The Sigma 05 supports E+E sensing probes for CO2, humidity, temperature, ambient pressure and air velocity, making it suitable for a wide range of applications.
The Sigma 05 can centrally manage up to three sensing probes with an RS485 interface and the Modbus RTU protocol. Compatible E+E sensing probes are automatically identified by the sensor hub and are immediately ready for use. Of the total of five supported physical quantities, three can be assigned to the graphic display and two to the freely configurable analogue outputs.
The sensing probes can be connected to the Sigma 05 either directly or via an M12 cable. Connecting and replacing the intelligent probes is quick and easy thanks to the plug-and-play functionality.
The new PCS10 configuration software gives the user full access to the sensor platform. This allows for convenient PC-based assignment of physical quantities, scaling of analogue outputs, adaptation of the display layout, setting of threshold values and adjustment of the connected sensing probes. The software is available free of charge on the E+E Elektronik website.
A special reference probe is available for a functional and accuracy check of the Sigma 05 or the entire measurement chain. The probe supplies fixed values for various physical quantities, is configurable using the PCS10 software and is automatically detected by the sensor hub.
The Sigma 05 supports easy, FDA-compliant loop calibration in the field. The cables facilitate on-site calibration of the connected probes in a portable calibrator.
The Sigma 05 features a rugged IP65/NEMA 4 enclosure and is available with or without a display. With the various, high-quality E+E sensing probes, it can be used in HVAC, clean room or agricultural applications, for example. Thanks to its modular plug-and-play design, the sensor platform offers a high degree of flexibility.
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