Industrial IoT

What it is

Machines, rooms, tanks and meters already know their temperature, their vibration and their load. Industrial IoT collects those signals, keeps them with the factory that owns them, and turns a breach of a limit into an alert and a job. People on the shift see the same picture. Demo readings stay labelled until a real gateway is commissioned.

How a reading moves

1. 1

   Sensors

   Temperature, humidity, vibration, current, energy, level, flow, weight and door contacts on the machine or the room. A 4–20 mA signal comes in through a Modbus input module, because the gateway’s onboard analog input is not always a current loop.

2. 2

   Industrial gateways

   A certified serial gateway polls Modbus RTU and RS485 and publishes the engineering units. A site router sits at the switchboard for Ethernet PLCs, meters and the site uplink. One gateway covers a process area, not the whole factory. Hardware is multi-vendor: LoRaWAN, Modbus and 4G/LTE.

3. 3

   Connectivity

   Dual SIM LTE where fibre is unreliable, Ethernet where the plant LAN is already there. The gateway calls out over HTTPS or MQTT. The factory firewall does not have to accept an inbound connection.

4. 4

   Platform

   Industrial IoT checks the per-sensor token, stores the reading against that factory only, and shows it to the people signed into the plant. A reading from the simulator stays labelled demo data.

5. 5

   Analytics

   Alerts, OEE, energy per unit and condition trends for the shift. The point is a number the next shift can act on, not a chart that needs an analyst to explain it.

6. 6

   FactoraERP sync

   Downtime, counts, energy and quality are shaped to become work orders, batch records and cost in FactoraERP. Batches, products, shifts and targets come back the other way. That exchange is commissioned with the implementation.

How the signal gets in

• HTTPS ingestEach sensor has its own token. The gateway, or a test client, posts a reading to the ingest API. This is the path a pilot can use before MQTT is exposed.
• MQTT over TLSThe intended path for an industrial gateway that publishes readings. The broker is not reachable from the factory network yet. It stays on the server loopback until an authenticated TLS ingress is reviewed.
• Modbus via the gatewayThe industrial gateway polls the meter or PLC and publishes engineering units. Industrial IoT does not open a port into the factory.

Not a home gadget

What the plant gets

The process, per industry

The six layers stay the same. The stages change with the plant: withering and drying in a tea factory, a hold tube in a dairy, a silo in a mill, a crusher, a cold room, a mapped store. Each factory type has its own dashboard.

How an implementation starts

1. Name one problem and the area that owns it.
2. Survey the machines, the meters already on RS485, and how the site is connected.
3. Open one area. The workspace shows demo data, labelled as such, until the gateway readings are real.
4. Switch that area to live telemetry when the readings are flowing. Further areas wait until this one is accepted.

Short answers