Direct.
Stopping, acknowledging, and small adjustments inside a band you set. One action, checked against who holds control, the range and the rate. Stop is always direct: stopping is never slower than starting.
DigiWarehouse · Equipment and control
Connect the conveyors, cold rooms, doors and robots, and run them from the floor.
DigiOS connects to the PLCs behind your conveyors, sorters, cold rooms and dock doors and to your robot fleets (VDA 5050), shows each one beside the work it is doing, and lets the right person start, stop and adjust it. Every command is checked, confirmed and written down.
Speed0.82m/sSet to 0.80Motor current6.1ADrive temperature48°C
Safety state, set in the PLC. Guard doors closed. E-stop clear. Safe torque off not active. These come from the PLC; this screen cannot change them.
| Control | Level | What it does |
|---|---|---|
| Start belt | Direct | Starts the sorter belt |
| Stop belt | Direct | Stops the sorter belt |
| Set speed | Confirm | 0.80 to 0.90 m/s |
| Release the lane 3 hold | Second person | Lets the sorter divert to lane 3 again |
Set speed to 0.90 m/sConfirm in 6 sCancel
- ConfirmedSet speed 0.80 m/s, by TomaszConfirmed. The drive reads back 0.80 m/s.
- RefusedStop belt, by AikoRefused: Tomasz holds this equipment until 11:30.
- Rejected by the PLCSet speed 0.95 m/s, by TomaszRejected by the PLC: above the 0.90 m/s limit for this section.
Release the lane 3 hold on Sorter drive SD-201
Lane 3 is full on Line 2. The bulky parcels are cleared. Asked by Tomasz at 10:40. The request lapses at 10:50.
| What will change | Before | After |
|---|---|---|
| Lane 3 full-lane block | On | Off |
| Sorter diverts to lane 3 | Blocked | Allowed |
ApproveRefusePriya
Level: Second person. Only Priya (Operations manager) can approve it, and not the person who asked. Nothing moves until then.
What connects
| Category | Names | What you get |
|---|---|---|
| Conveyors and sorters | PLC, OPC UA, Modbus TCP, EtherNet/IP, PROFINET | Each section's state beside the orders on it, and the controls you allow, one confirmation level at a time. |
| Cold rooms | Temperature sensors, MQTT with Sparkplug B, OPC UA | Every zone watched. A reading out of range raises an alarm and puts that zone's stock on hold. |
| Dock doors | Door controllers, Modbus TCP, OPC UA | Door state beside the appointment: open, closed, held open past its window. |
| Robots | AMR, AGV, autonomous forklifts, VDA 5050 | Fleets from different makers, in one set of zones and rules, taking jobs from the same queue as your people. |
| Layers | ISA-95 | The business, the warehouse system, then control: each layer does its own job. |
Three levels of confirmation
Each control carries the level you give it. A site can tighten a level; only a second person can loosen one.
Confirm, then operate.
Starting and stopping drives, opening and closing valves, changing modes and larger adjustments. You select it, confirm within a short window, and it runs.
A second person approves.
Putting equipment into maintenance, changing a limit or a recipe. A second person sees the exact change and the equipment, and approves it before it runs.
A request, from select to read-back.
Whatever the level, a request ends the same way: the value is read back from the equipment and the result is shown to the person who asked.
How control stays under control
- One person holds control.
- Everyone else sees who holds an asset.
- Handover is asked for.
- Anyone can ask for a handover. A supervisor can take control with a second person's approval; the holder is told.
- Local always wins.
- The machine's own Local and Remote switch beats the screen. Nobody can take control from someone standing at the equipment.
- Every command is read back.
- The value is read back from the equipment and the result shows where you gave the command: confirmed, refused with the reason, or rejected by the PLC.
- The rules are checked twice.
- A check inside your building repeats who holds control, what is allowed, how far and how often, before anything is written. Writes go only to the points you list.
- Nothing waits in a queue.
- If the link drops, nothing is held to run later. The PLC keeps running its own programme, and for an emergency stop DigiOS tells the site what to do and never offers to clear it.
The PLC keeps its own safety.
Interlocks, emergency stops and safety functions stay in the PLC and in your safety system. DigiOS is never part of a safety function.
Questions
Can DigiOS write to our PLCs?
Yes, to the points you list. Each point has its range, its confirmation level and its read-back, and nothing else can be written.
Who decides the level a control needs?
You do, by type of equipment. A site can tighten a level. Loosening one needs a second person.
What happens when the network drops?
Nothing queues. The PLC keeps running its own programme, and control returns when the link does.
Do you replace our SCADA?
Not to start. DigiOS works beside it and takes on the screens you choose.
Send us the equipment on one floor.
We'll walk through your equipment list with you and show you the control screen for it.