PICMG spec standardizes links between IoT controllers and sensors


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PICMG has ratified an “IoT.1” firmware specification to standardize plug-and-play communication between IoT controllers and sensors and effectors. The specification works with the present microSAM MCU module kind issue from PICMG.

PICMG, greatest identified for its COM Categorical requirements, has launched its first draft firmware specification for Web of Issues connectivity on the sensor stage. The IoT.1 specification primarily offers with microcontroller connections to sensors. As of IoT.2, nonetheless, the specification will prolong to industrial controllers and IoT gateways that run Linux or Home windows on COM Categorical modules and different PICMG kind elements.

IoT.1, additionally known as IIoT Firmware Specification, was developed in cooperation with the Distributed Administration Job Pressure (DMTF) and extends the specification of the Platform Stage Knowledge Mannequin (PLDM) from DMTF. The mission is led by PICMG members Arroyo Expertise, nVent, Triple Ring Applied sciences and Sandy Methods.

PICMG spec standardizes links between IoT controllers and sensors PICMG spec standardizes links between IoT controllers and sensors
Idea diagrams for PICMG IoT.1 (left) and microSAM’s IIoT endpoint structure
(click on on footage to enlarge)

With IoT.1, IIoT nodes that implement IoT.1 can report their capabilities to higher-level IIoT methods themselves to allow plug-and-play discoverability and thus “a unified knowledge mannequin for operational configuration and management to offer ”, says PICMG. The specification defines a uniform course of for configuring firmware.

The purpose of the mission is to “allow sensor suppliers to develop clever sensors with out having to fabricate the management circuit and / or software program by sourcing these parts from PICMG-compliant suppliers,” says PICMG. The specification additionally goals to enhance interoperability between sensor and sensor element suppliers.

The IoT.1 specification additionally builds on PICMG’s earlier work in IoT.zero in growing a microsensor adapter module (microSAM) specification for a compute module kind issue. MicroSAM was developed to offer connection choices for linked sensors that lack connectivity. Specifically, IoT.1 helps the IIoT endpoint structure from microSAM.

The 32 x 32 mm MicroSAM kind issue specifies RS422 communication, PWM output for movement management, energy filtering and sign conditioning, in addition to hardware locking and set off alerts for synchronization. The specification requires help from -40 to 85 ° C and the usage of snap-in connectors.

further Info

The IIoT firmware specification (IoT.1) and the microSAM specification can be found for obtain for $ 750 every. For extra info, see the PICMG announcement and the IoT.1 and microSAM product / procuring pages.



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