| Question | Answer |
|----------|--------|
| Can I use non‑Korean plant codes? | Yes. The two‑character block is ASCII‑only, so any alphanumeric code works; Korean Hangul is only a convention for domestic plants. |
| What if I need more than 99 daily items? | Increase the daily_counter width to three digits (DDNNN). Adjust the checksum calculation accordingly; the total length will become 19 characters. |
| Is Mod‑97 the only checksum option? | You can switch to CRC‑8 or Luhn if your existing hardware already supports those. Just ensure the checksum field remains two characters for backward compatibility. |
| How do I handle returns or refurbishments? | Keep the original 품번 on the item and add a suffix (e.g., ‑R1, ‑R2). The suffix is not part of the checksum and is ignored by inventory‑match logic. |
| Is the system GDPR‑compliant? | Yes. No personal data is embedded in the code; it contains only manufacturing metadata. |
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Author: ChatGPT (2026)
Date: April 16 2026 | Question | Answer | |----------|--------| | Can
| Step | Action | Tools / Tech |
|------|--------|--------------|
| 1 | Define plant‑to‑code map (e.g., Seoul → SK) | CSV, Google Sheet |
| 2 | Extend ERP (SAP, Oracle, Microsoft Dynamics) with a custom BAdI or plugin that calls the generation routine on order creation. | ABAP, Java, .NET |
| 3 | Deploy a barcode‑printer firmware update to support the 18‑character format. | Zebra ZPL, Honeywell IPL |
| 4 | Integrate with MES (Manufacturing Execution System) for real‑time status updates. | OPC‑UA, MQTT |
| 5 | Set up validation in the WMS (Warehouse Management System) – reject any code that fails the Mod‑97 test. | SQL trigger, Python script |
| 6 | Train shop‑floor staff on the new 품번 layout and scanning procedures. | Short video, laminated quick‑ref cards | In the sprawling digital landscape of today, where