BT San Technology
Beyond Tomorrow
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BT San Technology
Beyond Tomorrow
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HMI · HUMAN-MACHINE INTERFACE
HMI
We design HMIs to ISA-101 — not engineer-only technical screens, but UI an operator can drive without hesitation. Runs on every panel, every browser, every language.
01 · WHY REDESIGN
ASM Consortium research finds 42% of operator errors trace back to HMI design that doesn't match real usage. We design for one-glance readability and gloved-hand tap targets.
02 · ISA-101 PRINCIPLES
ISA-101 is the modern factory HMI design standard — focusing on situational awareness, operator workload, and alarm management.
Operator sees the whole process state at a glance — no flipping through 5 screens to find what's wrong.
Designed for minimum interaction — reduces cognitive load when an alarm fires.
Same colour, shape, spacing across every screen — operators rely on memory pattern.
Priority 1–4 + suppression rules — the critical stuff stands out, the rest doesn't distract.
03 · PLATFORMS
Touch panels on the line, tablets for line leads, phones for executives — we design once, consistently, for all devices.
PANEL
Industrial touch panel
Weintek, Mitsubishi GOT, Siemens KTP, Pro-face — IP65, built for the floor.
TABLET
Tablet / SCADA client
iPad / Android tablets for supervisors — real-time OEE and alarm summary.
PHONE
Mobile web HMI
Executive view on phone — alarm push notifications, dashboard summary, KPI rollup.
04 · ALARM MANAGEMENT
ISA-18.2 says an operator can handle at best one alarm every 10 minutes. We use priority + suppression + escalation to keep alarms manageable.
Critical
Priority 1
Safety/process risk — immediate action
High
Priority 2
Production loss imminent
Medium
Priority 3
Investigate within shift
Low
Priority 4
Log only — no operator action
05 · LANGUAGES
Thai factories run multi-national crews — we design HMI to switch languages instantly without reload, with fonts for Thai, English, Burmese, Khmer, Lao.
06 · CASES
Food processing plant
Redesigned 12 HMI screens to ISA-101 — operator error -67%.
Metalwork factory
Web HMI for executives — OEE on phone, 5-second sync.
Textile factory
Trilingual HMI (TH/EN/MY) — line operators rotate without retraining.
NEXT STEP
Send us your current HMI — we'll run a free ISA-101 audit. You may not need a full redesign — sometimes fixing alarm priority + colour scheme is enough.
Get Started
Free site visit within 7 business days. We'll assess what can be improved and propose an approach that fits your budget.