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Programmable logic controllers, IEC 61131‑3, and ladder logic topics.
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Send Document
1+ day, 20+ hour ago (204+ words) Peppol-certified Access Point (POP000991) and SMP provider for global e-invoicing compliance across 40+ countries. Send a UBL document to a Peppol participant. The document is queued for async delivery. MISSING_API_KEY, INVALID_API_KEY or EXPIRED_API_KEY. PLAN_LIMIT_REACHED: the organisation's plan allows no more documents this month. INSUFFICIENT_PERMISSION / INSUFFICIENT_SCOPE: the key cannot…...
Industrial Control PCBA Assembly & Processing Service
2+ week, 6+ day ago (411+ words) This is a control board for a handheld terminal,Can be used for PDA and other detection device,double-sided mounting, SMD+DIP electronic components, with over 500~900 mounting points. Contains multiple BGA,QFN,QFP, and SOP packaged chips. 4-layer PCB board…...
IBM i PTF Guide, Volume 28, Number 35
23+ hour, 20+ min ago (1404+ words) October 12, 2026 Doug Bidwell Another week, another bunch of things to ponder about the IBM i platform and get fixed or re-fixed. This is ever the way with systems software, which is constantly changing, and despite the fact that Big Blue…...
Your Engineering Workstation Is the Weakest PLC Link: A 45-Minute Audit
2+ day, 8+ hour ago (645+ words) This post walks through three of those advisories and turns them into a short, repeatable audit for engineering workstations (EWS) and jump hosts. No exotic tooling: PowerShell, a spreadsheet, and about 45 minutes per site. 3. Inductive Automation Ignition — CVE-2026-77393 (ICSA-26-246-06). In…...
DC-8 Write-up
1+ week, 1+ day ago (291+ words) Keşif (Reconnaissance) & Port Taraması Hedef makinenin ağ üzerindeki IP adresini tespit ettikten sonra, açık portları, çalışan servisleri ve versiyon bilgilerini belirlemek amacıyla Nmap ile kapsamlı bir tarama başlattım: nmap -A -p- 192.168.1.154 Dosya içeriği incelendiğinde tipik bir Drupal dosya ve dizin yapısı…...
A customer maintenance form in Uniface 10, part 7 - a reusable lookup dialog and a main menu
1+ week, 1+ day ago (769+ words) At the end of part 6 the address form existed, but there was exactly one way to reach it: open the customer form, find a customer, click "Addresses". That is fine for a demo and bad for an application. Every new…...
The Form Looks Right. The Data Contract Is Wrong
1+ week, 3+ day ago (948+ words) The question isn’t whether an AI-built form can look ready for production. It’s whether the system receiving its data will agree. A date picker can display perfectly and still submit a locale-dependent string when the API expects an ISO date....
Talking to a PLC from C#, Part 3: Safe Writes and a Clean Abstraction Layer
1+ week, 6+ day ago (648+ words) So far, though, we've mostly been reading. This post is about the other direction — writing back — and it's where the stakes change. Reading is passive. Writing changes what a physical machine does. Get it wrong and you don't get a…...
The Contract Is a.proto File
3+ week, 2+ day ago (795+ words) One handle, one source of truth. The contract lives in the schema - messages, calls, field semantics, bounds, refusal codes - and the HTTP spec is derived from it, not written next to it. The proof that this works is two machine-made…...