Function Block Diagram VS TwinCAT
As of 30 October 2026, TwinCAT is named by 210 companies and Function Block Diagram by 107; Function Block Diagram skews to companies under 200 people (32% vs 45%), TwinCAT to companies over 1,000 (33% vs 48%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Function Block Diagram's script and mail records show on hundreds of thousands of small sites, TwinCAT rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Function Block Diagram: 2–200 employees
- 32%
- TwinCAT: 2–200 employees
- 45%
- Function Block Diagram: 1,000+ employees
- 48%
- TwinCAT: 1,000+ employees
- 33%
- Postings per company, 90 days
- 1.8 · 1.8
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Function Block Diagram | share | TwinCAT | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 1% | 1 | 0% | even |
| 2-10 employees | 9 | 8% | 21 | 10% | even |
| 11-50 employees | 10 | 9% | 32 | 15% | TwinCAT |
| 51-200 employees | 15 | 14% | 42 | 20% | TwinCAT |
| 201-500 employees | 13 | 12% | 31 | 15% | TwinCAT |
| 501-1000 employees | 8 | 7% | 13 | 6% | even |
| 1001-5000 employees | 16 | 15% | 27 | 13% | Function Block Diagram |
| 5001-10000 employees | 9 | 8% | 12 | 6% | Function Block Diagram |
| 10,001+ employees | 26 | 24% | 31 | 15% | Function Block Diagram |
| Segment | Function Block Diagram | share | TwinCAT | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 65 | 61% | 133 | 63% | TwinCAT |
| Business & finance services | 7 | 7% | 15 | 7% | even |
| Technology & software | 7 | 7% | 8 | 4% | Function Block Diagram |
| Utilities & infrastructure | 7 | 7% | 12 | 6% | even |
| Property & construction | 6 | 6% | 5 | 2% | Function Block Diagram |
| Automotive | 5 | 5% | 14 | 7% | even |
| Commerce & trade | 3 | 3% | 5 | 2% | even |
| Public, community & associations | 2 | 2% | 6 | 3% | even |
| Media & content | 2 | 2% | 3 | 1% | even |
| Consumer services & leisure | 1 | 1% | 4 | 2% | even |
| Hospitality & travel | 1 | 1% | – | – | outside top 12 |
| Transport, logistics & rental | 1 | 1% | 3 | 1% | even |
| Health care | – | – | 2 | 1% | outside top 12 |
| Segment | Function Block Diagram | share | TwinCAT | share | Leans |
|---|---|---|---|---|---|
| United States | 56 | 52% | 72 | 34% | Function Block Diagram |
| Germany | 9 | 8% | 87 | 41% | TwinCAT |
| United Kingdom | 8 | 7% | 5 | 2% | Function Block Diagram |
| Canada | 4 | 4% | 2 | 1% | Function Block Diagram |
| Poland | 4 | 4% | 4 | 2% | even |
| India | 3 | 3% | – | – | outside top 12 |
| Netherlands | 3 | 3% | 8 | 4% | even |
| Australia | 2 | 2% | – | – | outside top 12 |
| Belgium | 2 | 2% | 3 | 1% | even |
| France | 2 | 2% | 3 | 1% | even |
| Austria | 1 | 1% | 7 | 3% | TwinCAT |
| Bulgaria | 1 | 1% | – | – | outside top 12 |
| Switzerland | – | – | 6 | 3% | outside top 12 |
| Sweden | – | – | 3 | 1% | outside top 12 |
| Norway | – | – | 2 | 1% | outside top 12 |
| Segment | Function Block Diagram | share | TwinCAT | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 135 | 54% | 328 | 60% | TwinCAT |
| Skilled trades and field service | 30 | 12% | 66 | 12% | even |
| Software engineering | 28 | 11% | 80 | 15% | TwinCAT |
| Unclassified | 5 | 2% | – | – | outside top 12 |
| IT operations & business systems | 4 | 2% | 2 | 0% | even |
| Quality, safety & environment | 3 | 1% | – | – | outside top 12 |
| Agriculture and environment | 2 | 1% | – | – | outside top 12 |
| Sales | 2 | 1% | – | – | outside top 12 |
| Customer service & success | 1 | 0% | 1 | 0% | even |
| Data & AI | 1 | 0% | – | – | outside top 12 |
| Hospitality and food service | 1 | 0% | – | – | outside top 12 |
| Manufacturing and production | 1 | 0% | 1 | 0% | even |
| Education & training | – | – | 3 | 1% | outside top 12 |
| Research and science | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Function Block Diagram →
Companies using TwinCAT →
plc programming ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
TwinCAT is named by 210 companies in job postings and Function Block Diagram by 107; 11 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/function-block-diagram-vs-twincat)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Function Block Diagram vs TwinCAT: questions
Which is more used, Function Block Diagram or TwinCAT?
By companies naming it in their own job postings, TwinCAT (210) over Function Block Diagram (107). By website-and-DNS footprint, TwinCAT (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Function Block Diagram?
32% of Function Block Diagram companies have 2 to 200 employees, against 45% for TwinCAT. 48% of Function Block Diagram companies have over 1,000 employees, against 33% for TwinCAT.
Do companies run both?
11 companies name both in their postings, usually Function Block Diagram in marketing and TwinCAT in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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with the person who owns it
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