Process lab · Level 2 of 8
Loop check
Level 2 of 8 in the Process lab: a free process control exercise at Foundation level, which takes about 35 minutes. Check a 4 to 20 mA level loop from the field to the PLC, find the wiring fault and fill in the loop check sheet.
Free · no download · about 35 minutes. Your work is saved on this device. Updated 18 Oct 2026.

The brief
- Industry
- Brewing
- Task code
- PRC-02
- Difficulty
- Foundation
- Type of work
- Loop checking
Check a 4 to 20 mA level loop from the field to the PLC, find the wiring fault and fill in the loop check sheet.
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: Read the P&IDNext: Calibrate a pressure transmitter
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.