Process lab · Level 9 of 10
Plant data to the dashboard: Modbus, OPC UA and MQTT
Level 9 of 10 in the Process lab: a free process control exercise at Intermediate level, which takes about 1 hour. Set up an edge gateway: read a PLC over Modbus and OPC UA, decode it right, publish it to an MQTT broker under the site's names, and prove it with a numbered FAT.
Free · no download · about 1 hour. Your work is saved on this device. Updated 18 Oct 2026.

The brief
- Industry
- Food and drink
- Task code
- PRC-09
- Difficulty
- Intermediate
- Type of work
- Practice
Set up an edge gateway: read a PLC over Modbus and OPC UA, decode it right, publish it to an MQTT broker under the site's names, and prove it with a numbered FAT.
What the test checks
The acceptance test marks the skills this level practises.
In this lab
- P&ID, loop check and calibration bench
- PID tuning with step tests
- Alarms and an operator screen
Levels in the Process lab
Previous: Site acceptance and fault findingNext: Connect the panel to the PLC
Part of the Process lab
Read the P&ID, check and calibrate instruments, tune loops and run a plant from a control room.
Feeds these internships: Instrumentation and Process Control, Commissioning and Maintenance, SCADA and HMI, PLC Programming.