OPLAN · Supply chain planning for manufacturers

From demand to the machine,
a feasible plan on real capacity

OPLAN turns sales history into a demand forecast, balances demand against capacity, inventory and finance in S&OP, loads the plan by work centre × week with finite capacity and schedules the machines minute by minute. Discrete, batch, continuous, assembly-line and project production are planned together in the same plant.

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process flow types

forecasting models

ERP / MES data sets

Supply chain planning

A plan belongs on real capacity, not in a spreadsheet

OPLAN links demand, S&OP, capacity and scheduling through the same master data and the same rules; each step's output becomes the next one's input, and nobody has to ask which number is right.

Why OPLAN

Forecasts are made from raw sales full of promotion spikes and stock-out dips; nobody knows why a number came out.
The S&OP meeting talks volume; capacity gaps and margin impact only show up after the meeting.
Capacity is assumed infinite; the weekly plan cannot be executed and the bottleneck is noticed when shipments are late.
The machine sequence lives in the planner's head; setup and changeover times and material status never enter the plan.

The planning chain from demand to the machine

Four modules, one core

OPLAN's modules follow the natural order of planning: forecast, balance, load, sequence — the core defines, integration connects.

Forecast

Demand Planning

From past sales to a reliable demand plan: cleanse, segment, forecast, agree.

Explore Balance

S&OP — Sales and Operations Planning

Balance demand against capacity, inventory and finance in one table.

Explore Load

Finite Capacity Planning

A feasible weekly plan: which machine, which week, how much — and what was done when it did not fit.

Explore Sequence

Machine Scheduling

Which job, on which machine, in which order, at what time.

Explore Define

CORE

The OPLAN Core

The shared foundation every module runs on: master data, flow type, rule engine, plan data bus.

Explore Connect

ERP/MES

Integration and OPERRA

A field-by-field data contract with ERP and MES; files, REST API and OPERRA.

Explore

Screens

A tour of the screens

Pick a module and click the steps; click an image to enlarge it.

OPLAN · M1

M1 · Explore

Screens are shown with sample plant data; the application interface is in Turkish.

Why OPLAN

What it brings your planning team

Shared core, separate modules

Modules read and write through the core's plan data bus; start with one and add the others without data migration.

Each area with its own flow type

Discrete, batch, continuous, assembly-line and project areas in one plant; capacity unit, batching and setup model follow the type.

Forecasts with their reasons

An 11-model pool, a cleansed series and backtesting; why the model was chosen and what overrides contribute (FVA) are on screen.

Volume, revenue and margin in one table

S&OP balance table, rough-cut capacity, financial bridge and budget comparison in one cycle; constrained demand in its own column.

Capacity gaps never hidden

Finite mode gives the feasible plan, infinite mode the raw need; work that does not fit stays out of the plan, in the bottleneck report.

Constraint-checked manual moves

Drag-and-drop checks routing, operation precedence and material; the impossible is blocked, choices are warned, and everything can be undone.

Scheduling to the minute

Directional changeover matrix, intermediate operations, transfer batches, shift and holiday calendar; a machine schedule with one of five rules.

Contract-based ERP / MES integration

29 data sets defined field by field; CSV / Excel, REST API and field mapping included in the core, a one-way link with OPERRA.

Roles that use it

For manufacturers of every process flow type

Discrete and assembly manufacturing

Machining, metalworking, machinery, automotive suppliers, plastic injection, white goods and electronics assembly.

Process, batch and continuous production

Chemicals, paints, food, pharmaceuticals, foundry, heat treatment; extrusion, rolling, paper, glass, cement and weaving.

Project-type and mixed plants

Engineer-to-order machinery, tool shops, steel construction; companies running several flow types in the same site.

Demand and S&OP planners
Production planning and scheduling teams
Plant, operations and supply chain managers
Finance, IT / ERP teams and consultants

Licensing

Core + modules, the license that fits you

Add the modules you need to OPLAN CORE; choose your license model and we will prepare a quote for your sites and users.

Monthly subscriptionFast start and flexibility: the core and the modules you choose on a monthly basis, add modules whenever you need. Annual subscriptionAn annual subscription for continuous use, budgeted alongside your planning cycles. Perpetual licenseA perpetual license: the core and modules are yours with no time limit; maintenance and support are annual. Project licenseUse together with your project team for the duration of a Grupas consulting or training project.

Licensing

FAQ

Frequently asked questions

What is OPLAN?+

OPLAN is web-based supply chain planning software for manufacturers. Four modules run on the OPLAN CORE: Demand Planning, S&OP (sales and operations planning), Finite Capacity Planning and Machine Scheduling. From the demand forecast to the machine sequence, the plan is chained through the same master data and the same rules.

Can I buy the modules separately?+

Yes. OPLAN CORE is the mandatory foundation, installed with the first module; modules are licensed one by one. They connect through the core's plan data bus rather than directly: when a module is missing, integration, a file or manual entry fills the same table. So a single-module installation works fully, and adding a module later needs no data migration.

Which types of production does it suit?+

Five process flow types: discrete (work order → operation), batch / process (batch → recipe), continuous (campaign block), assembly line (takt, mixed-model sequence) and project (ETO). The flow type is chosen per production area, not per company; capacity unit, batching logic, setup model and scheduling behaviour follow from it.

How is the demand forecast made?+

The sales history is cleansed first: missing periods, unmet demand during stock-outs, promotion spikes and outliers (median + MAD) are corrected. The cleansed series is backtested across an 11-model pool (naive, moving averages, exponential smoothing, Holt, Holt-Winters, Croston, TSB …); the model with the lowest WMAPE is selected with its rationale. The final plan's contribution to accuracy is measured with FVA.

What is the difference between finite and infinite capacity?+

In finite mode, load above capacity is pulled forward, moved to an alternative machine, split if needed or pushed back; no work centre × week cell exceeds 100%, and work that does not fit is listed separately in the bottleneck report — this is the plan released to production. In infinite mode nothing moves; the output is not a plan but a measure of the raw capacity need, the basis for investment, shift and outsourcing decisions.

All questions

See your plan in OPLAN

Write to us for a live walkthrough on sample plant data.

Request a demo WhatsApp +90 538 390 29 78

From demand to the machine,a feasible plan on real capacity