Industrial process automation is the part of the factory where good software pays back the fastest — and where bad software bleeds money the longest. I have helped manufacturers move away from RPA bots that nobody trusts and BPM platforms that cost more per year than the team running them. The pattern is consistent: a small custom build, in the USD 10,000–15,000 range, ends up doing the job that a USD 80k licensed platform was bought to do.
This article explains where licensed industrial process automation tools quietly fail, what a focused custom system covers instead, and how the math actually plays out over three years.
What industrial process automation has to deliver
The phrase covers a lot of products. The actual job is small and stubborn.
1. Reliable orchestration of physical and digital steps
A batch starts on a PLC, a quality check runs in the lab system, paperwork lands in ERP. The automation layer makes the handoff invisible to operators.
2. Exception handling that humans can actually use
When a step fails, somebody on the floor has to fix it. They need a clear screen, not a stack trace.
3. Audit trails for every state change
Who, what, when, why — for compliance, root cause analysis and customer claims.
4. Fast iteration on rules
Process rules change every quarter. Editing them must be cheap, safe and traceable.
5. Honest performance data
Throughput, queue lengths, retry rates, by line and by shift. Real numbers, not vendor benchmarks.
Where licensed industrial process automation platforms struggle
I have replaced two large RPA platforms and one BPM suite. The recurring pain points:
- Per-bot or per-process licensing punishes you for adding small automations — exactly the ones with the best ROI.
- Visual designers are great in demos and painful when a process actually needs a loop, a retry policy or a real condition.
- “Citizen developer” promises end with engineers cleaning up untested flows that broke production.
- Connectors to industrial gear (PLCs, scales, label printers) require expensive specialty SDKs.
- Year-on-year price increases of 8–15 percent on contracts you already signed.
By the time you’ve paid two or three years of license fees plus implementation partner hours, the licensed industrial process automation platform usually costs more than rebuilding it from scratch.
Cost comparison: licensed industrial process automation vs custom build
The numbers below assume one plant, 8–12 automated processes, integrations with ERP and 3–4 industrial devices, three-year horizon.
| Cost item | Licensed BPM / RPA platform | Custom industrial process automation built with me |
|---|---|---|
| Platform licenses (orchestrator + bots / engines) | USD 25,000 – 70,000 / year | USD 0 |
| Implementation partner (designing flows, connectors) | USD 30,000 – 90,000 | Included |
| One-off build covering all 8–12 processes | — | USD 10,000 – 15,000 |
| Adding processes 13+ (per process) | USD 5,000 – 15,000 + license bump | A few engineering days |
| 3-year total | USD 105,000 – 280,000 | USD 10,000 – 25,000 |
The math gets worse for licensed industrial process automation when you factor in the processes you don’t automate because the per-process cost made them not worth it.
What you actually get from a custom industrial process automation build
- Process definitions in plain code, version-controlled, reviewed like any other software.
- Integrations with PLCs, MES, scales and label printers using libraries you own — not licensed connectors.
- An operator screen for exceptions designed for the people who fix them.
- Adding the 13th, 20th or 50th automated process is a few engineering days, not a re-quote.
- All telemetry in a database you can query — no proprietary “process intelligence” upsell.
How a custom industrial process automation project typically runs
- Workshop with operators and one engineer per area to map the actual flow — not the org-chart version.
- Two-week pilot on one high-frequency process to lock the runtime and operator UI.
- 8–12 weeks to add the remaining processes and integrate with ERP, MES and devices.
- Hand-over of source, infra-as-code, runbooks and a small training pack for the on-site team.
If you would like to see what else I have shipped in this space, the rest of my work lives at rsmobile.net — including a contact form for a no-obligation scoping call.
Summary
Licensed industrial process automation platforms make sense for very large enterprises with hundreds of automated flows. For everyone else they are an expensive way to run a handful of processes that a small custom system would handle better. A focused custom build at USD 10,000–15,000 covers the real work, scales without per-process pricing, and leaves the code and data with the team that actually runs the plant.
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