Production planning and control, often shortened to PPC, is a phrase that bundles two related jobs into one term. Understanding it means seeing that it has two halves, the planning half and the control half, and that a manufacturer needs both. This piece explains what production planning and control means.
Two halves, one term
The phrase names both halves of running production. Planning is the work done before production: deciding what to make, in what quantity, when, and with what materials and capacity. Control is the work done during and after production: tracking what is actually happening, comparing it against the plan, and acting on the difference. Planning sets the intention. Control keeps reality honest against that intention. Neither alone is enough.
The planning half
The planning half answers the forward-looking questions. It takes demand, from orders and forecasts, and turns it into a master production schedule, then into material requirements through MRP, then into a capacity-checked, detailed schedule for the floor. The output of the planning half is a plan: a clear, achievable statement of what production should do over the coming days and weeks. Planning, done well, is covered in our guide to production planning software.
The control half
The control half is the part manufacturers more often neglect, and it is where PPC earns its keep. A plan, however good, starts drifting the moment production begins. Jobs run long or short. Machines stop. Material arrives late. Quality issues force rework. The control half is the discipline of seeing that drift and responding to it.
Control means tracking actual production against the plan, what was completed, what was scrapped, what is behind. It means noticing, while there is still time, that an order is falling behind or a machine is underperforming. And it means feeding that reality back: updating stock, updating progress, and informing the next round of planning. Without the control half, a plan is just a hopeful document that nobody checks reality against.
Why both halves need each other
Planning without control produces a plan that no one knows is failing until it is too late. Control without planning produces a lot of tracking with nothing meaningful to track against. The two are a loop: planning sets the target, control measures reality against it, and what control learns feeds the next plan. Production planning and control is the name for running that loop deliberately rather than letting production lurch from plan to surprise to firefight.
PPC as a system, not a spreadsheet
Both halves can be attempted on spreadsheets, and the result is familiar: the plan is a spreadsheet that goes stale, and the control is a different spreadsheet, updated late, that never quite agrees with it. PPC works when planning and control share one connected model, when the plan, the actual production reported from the floor, the stock, and the schedule are the same data. Then control is not a separate reconciliation exercise; it is simply the system showing plan against actual continuously. That connected model is what a manufacturing ERP provides.
The takeaway
Production planning and control is the full job of running production: deciding the plan, and then keeping reality on track against it and learning from the gap. A manufacturer that does the planning half and skips the control half has a plan it cannot trust. Doing both, as one connected loop, is what makes production predictable. For how we approach manufacturing systems, see our manufacturing work.