Freelance is a fully-fledged system that combines the advantages of a DCS (distributed control system) and a PLC: it offers the compact design of a PLC and the full functionality of a DCS. The integrated environment simplifies engineering, commissioning, maintenance and fieldbus management. Its user-friendly interface makes systems easy to operate and diagnose.
- Type
- A compact distributed control system
- Controller
- ABB AC 800F, AC 900F
- History
- More than 20 years; fully compatible with earlier versions
- Fieldbus
- PROFIBUS, Foundation Fieldbus and others
The advantages of a PLC and a DCS together
PLCs are compact, fast and economical; DCSs offer what the process industry needs, such as alarm management, operator interface, redundancy and integrated engineering. Freelance sits between these two worlds: in medium-sized process applications it brings DCS functionality together with the compact structure of a PLC.
The AC 900F controller
With the new, award-winning AC 900F controller, Freelance DCS delivers more powerful, faster and more capable performance than ever. After years of experience in automation and control products, this new controller greatly extends the hardware portfolio of the Freelance distributed control system.
Advantages
- PLC compactness and DCS functionality together.
- An integrated engineering and commissioning environment.
- Full compatibility with earlier versions; the existing investment is protected.
- A user-friendly operator and diagnostic interface.
- Fieldbus management (PROFIBUS, Foundation Fieldbus and others).
Freelance projects with ASP Otomasyon
We support the installation, AC 800F programming and service of Freelance systems. Our cement projects include Freelance DCS installation and AC800F programming (see Cement).
- Installation: architecture, panels, field connections, FAT and commissioning (DCS system installation).
- Programming: in IEC 61131-3 languages with the type-circuit library (PLC/DCS programming).
- Service: remote support, on-site service and periodic maintenance (service and maintenance).
Other platforms
Frequently asked questions
What kind of plants is Freelance suited to?
Process applications that need PLC compactness and DCS functionality together. The final choice depends on the number of I/O points, integration needs and existing systems; we explained the criteria in our selection article.
Can I upgrade my old Freelance system?
Freelance is fully compatible with earlier versions, so upgrades can usually be done while protecting the existing investment. We can give an assessment for your situation.


