Open-Industry-Project (Open-Industry-Project)FirmwareConfidence: Medium

OPC UA connect times out on a large PLC plus CNC controller because browsing from the Objects folder exceeds node-opcua's 5 second per-transaction floor, so the whole connection fails and tag selection is painful.

Impact Analysis

Persona

Firmware Engineer

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

Open-Industry-Project/Open-Industry-Project Issue #11: OPC UA: connect times out on large address spaces - single Browse exceeds timeout

github.com

→

Analyst Notes

From the Grok pain-radar digests, Oct 26-27 2026 (Oct 26 12:41 PM ET through Oct 27 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-27: issue/PR/thread read; title and state confirmed.