What this path is
A curated sequence for the person who joins controls, networks, safety and documentation into one working machine or cell and hands it over with the evidence to prove it.
It is a curated order through units that already exist on this site, not a separate course: the same free and paid units you can open one at a time, put in the order this role tends to need them.
What you will be able to do
- You can describe how the actuators, sensors, drives, PLC and network of a machine fit together and choose between common actuators for a job.
- You can place devices into security zones, choose a protocol for a link and explain what a conduit is allowed to carry.
- You can trace an E-stop or guard through a safety relay to the power it removes, and review PLC code for fail-safe behaviour.
- You can follow a signal through a drawing set and write the documents a handover needs.
- You can order commissioning checks safely and find a fault that crosses wiring, drives and communications.
- You can sequence a cell with a robot handshake, a conveyor and a cylinder without letting any of them move into another.
- 01
A machine as a system
All free6 units, 77 minutesA first look at each layer of a machine: choosing an actuator, control power, torque and speed, how a plant network is stacked, what a guard is for and how a P&ID reads. Every unit is free.
- FreeChoosing the actuator (15 min)
- FreeControl power: 24 V DC or mains (10 min)
- FreeForce, torque and work in plain language (14 min)
- FreeThe plant-floor network stack (12 min)
- FreeWhy machines are guarded (12 min)
- FreeWhat a P&ID is, and what it is not (14 min)
- 02
Controls core
6 units, 2 hoursThe scan cycle, formal ladder patterns, state machines, a full motor starter, a three-step sequence and a sortation diverter that coordinates several outputs.
- FreeThe scan cycle (5 min)
- ProLadder Logic Basics (15 min)
- ProState Machines in Ladder Logic (30 min)
- FreeMotor Start/Stop & Fault Monitoring (30 min)
- ProSeq 01 — Fill, mix, drain (15 min)
- ProSortation Diverter (25 min)
- 03
Networks and security
8 units, 2 hoursFieldbus against Ethernet, Modbus, EtherNet/IP, PROFINET and OPC UA, then the security side: zones and conduits, a zoning lab and an alarm flood to triage.
- FreeFieldbus versus industrial Ethernet (14 min)
- FreeModbus RTU and TCP refresher (12 min)
- ProEtherNet/IP and CIP (14 min)
- ProPROFINET: names, roles and GSDML (13 min)
- ProOPC UA: servers, nodes and subscriptions (16 min)
- ProOT cyber-security basics (18 min)
- ProLab: network zones and conduits (20 min)
- FreeLab: alarm flood triage (15 min)
- 04
Machine safety
8 units, 1.9 hoursDual-channel E-stops, light curtains and safety relays, performance levels, guarding and interlocks, and the PLC safety scenarios for reset, two-hand control and a safety mat.
- FreeE-stop circuits (15 min)
- FreeLab: dual-channel E-stop into a safety relay (14 min)
- ProSafety relays and light curtains (16 min)
- ProPerformance levels and SIL, introduced (16 min)
- ProMachine guarding and interlocks (15 min)
- ProSafe PLC programming practices (14 min)
- ProE-Stop & Safety Reset (15 min)
- ProTwo-Hand Control (Safety) (10 min)
- 05
Drawings and handover
5 units, 74 minutesThe four drawing types, labels and cross-references, tag-to-terminal loop diagrams and I/O lists, program documentation, and the FAT, SAT and as-built paperwork.
- ProFour drawings of the same circuit (12 min)
- ProLabels, terminals and cross-references (14 min)
- ProFrom P&ID tag to PLC address to terminal (18 min)
- ProDocumenting the PLC program: names, comments, structure (16 min)
- ProCommissioning documents: FAT, SAT, punch lists and as-built drawings (14 min)
- 06
Commissioning and fault-finding
6 units, 88 minutesA safe pre-power and commissioning sequence, troubleshooting from drawings, and graded fault labs on a welded safety output, an open drive safe-torque-off channel and an RS-485 line with no termination.
- ProPre-power and commissioning safety checks (15 min)
- FreeThe half-split troubleshooting method (15 min)
- ProTroubleshooting from drawings: where do you measure? (18 min)
- ProFault 12: Welded safety output contact (14 min)
- ProFault 17: VFD STO channel 1 open (14 min)
- ProFault 16: RS-485 terminator disconnected (12 min)
- 07
Cell integration: robots, cylinders and sequencing
4 units, 75 minutesA robot-to-PLC handshake, a weld cell cycle, a pallet cell with several stations, and a cylinder sequence confirmed by its sensors. The robot programming path is a separate course and is not counted here.
- ProRobot PLC Handshake (20 min)
- ProWeld Cell Cycle (20 min)
- ProPalletizer (Simple) (20 min)
- ProPneu 02 — Cylinder sequence (15 min)
- 08
Capstone: commission a small machine
Capstone5 units, 1.6 hoursOne carton sorter cell, five graded steps that join mechanics, motion, pneumatics, electrical, safety and the PLC: the drive, the pusher and supply, the safeguard, the cycle and the commissioning.
- FreeCapstone 1: size the conveyor drive (15 min)
- ProCapstone 2: size the pusher and the electrical supply (20 min)
- ProCapstone 3: safeguard the pusher station (18 min)
- ProCapstone 4: write and test the PLC cycle (25 min)
- ProCapstone 5: commission and document the cell (20 min)
Optional practice that is not counted
Vendor dialects (practice, not counted). The same contact and timer logic in Allen-Bradley, Siemens and Mitsubishi terms, which is what you meet when a cell arrives with a controller you did not choose. These exercises run in your browser, are not recorded by the server and do not count towards the certificate.
The certificate
When every counted unit is complete, you can download a certificate. It is verifiable proof of completed practice on this platform: it lists each milestone, and its certificate ID and QR code open a public verification page.
- A unit only counts when the server has recorded it as complete: a lesson worked through, or a graded lab, scenario, quiz or exercise it checked and passed. Opening a page counts for nothing.
- Issuing a new certificate needs a Pro plan. A certificate that has been issued stays downloadable and verifiable after a plan ends.
- It is not an accredited qualification, a vendor certification or a statement about competence on real equipment.
Who this path is for
Controls technicians, junior engineers and project staff who build, wire and commission machines and cells and need the whole picture, not one discipline.
The first milestone is free with a free account, with no card and no expiry; 15 of the 48 counted units are free. The other 33 are part of a paid plan; compare them on the pricing page. For what the job itself involves, read the Automation engineer career guide.
Tracks this path draws on
- Industrial SafetyWhy machines are guarded, how stops and interlocks work, and the safe habits that keep technicians and controls engineers out of trouble.
- Industrial Networks and SCADAFrom a sensor reading to a historian trend: how plant data moves, which protocol does which job, and how to keep the whole system secure and readable.
- Drawings and DocumentationRead a P&ID and an electrical drawing set, follow a signal from the process to a PLC terminal, and document your own work the way an employer expects.
- Mechatronic system designOne small machine, five graded steps: size the drive and the pusher, power it, safeguard it, write its PLC cycle and commission it.
- TroubleshootingA repeatable way to find faults: measure before you replace, halve the circuit, and read what the LEDs, the program and the meter are each telling you.
How is the systems integrator path different from the controls engineer path?
The controls engineer path goes deeper on logic, debugging, process control and operator screens. The systems integrator path is wider: it adds machine safety, security zones, handover documents, commissioning and cell-level sequencing, and keeps the logic to what is needed to follow and coordinate a cell.
Is robot programming part of the path?
Only the PLC side of a cell: handshakes with a robot and cell sequencing are graded scenarios. Learning to program a robot is a separate course with its own path, and its lesson results are not part of the systems integrator certificate.
Does this path teach me to design a safety system?
It teaches the reasoning: guards, stop paths, fail-safe wiring, performance levels and commissioning tests. A real safety design needs its own risk assessment, a competent person, the applicable standards and the manufacturer's instructions, and the training material says so wherever it matters.
Start with the free milestone
Browser-based, no install, no hardware.
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