Fixed Control Limits — SPC X-Bar Chart
Ditetapkan dari baseline study · Digunakan oleh semua SPC chart (mode Live)
Mesin UCL (Upper Control Limit, kg) CL (Center Line, kg) LCL (Lower Control Limit, kg) Spread (UCL–LCL) Set terakhir Catatan
Z-1804A
kg
kg
kg
0.5 kg 05/09/2026 02:36
ZAHR
Z-1804B
kg
kg
kg
0.5 kg 05/09/2026 02:36
ZAHR
Z-1804C
kg
kg
kg
0.5 kg 05/09/2026 02:36
ZAHR
Z-1804D
kg
kg
kg
0.5 kg 05/09/2026 02:36
ZAHR
Z-1804E
kg
kg
kg
0.5 kg 05/09/2026 02:36
ZAHR
💡 Cara penetapan control limits: Jalankan mesin normal 200–300 batch → Hitung Mean (X̄) dan sigma (σ) → UCL = X̄ + 3σ · CL = X̄ · LCL = X̄ − 3σ. Perbarui hanya jika ada perubahan setpoint signifikan. Default = batas spesifikasi produk.
Konfigurasi Email Notifikasi
Aktif
SMTP Host smtp.gmail.com
Port 465 (SSL)
Email Pengirim email@gmail.com
Alert To instrument@tpc.co.id
Report To manager@tpc.co.id
Ubah SMTP credentials di config/mail.php
Test Kirim Email Alert
Jadwal Notifikasi
  • Alert → Langsung saat alarm masuk dari ESP32
  • Laporan Mingguan → Setiap Senin 06:00 WIB
  • Offline check → Setiap 5 menit (via cron)
Informasi Sistem
Aplikasi Packing Monitor v1.0
PHP 8.1.34
Database pacm2945_packingtpc @ localhost
Base URL http://packingtpc.my.id/
Target Berat 25 kg
Spec [Min–Max] 24.75 – 25.25 kg
Interval Kalibrasi 90 hari
Offline Threshold 120 detik
SPC Live Window 500 batch (~67 menit)
SPC Control Limits Fixed (editable di atas)
Cron Jobs Setup
# Weekly report — tiap Senin 06:00
0 6 * * 1 php /home/pacm2945/public_html/packing_monitor/cron/weekly_report.php
# Cek mesin offline — tiap 5 menit
*/5 * * * * php /home/pacm2945/public_html/packing_monitor/cron/alert_check.php
Tambahkan cron jobs via crontab -e pada server/PC XAMPP. Untuk Windows, gunakan Task Scheduler.
Jadwal Kalibrasi — Semua Mesin
MesinLineKalibrasi Terakhir Next DueSisa HariStatus Ref StdAs-FoundDrift
Z-1804A Line A 17/06/2025 15/09/2025 OD 399 hr OVERDUE W-001 0.050 kg +0.004%
Z-1804B Line A 21/04/2025 20/07/2025 OD 456 hr OVERDUE W-001 -0.080 kg -0.008%
Z-1804C Line B 24/06/2025 22/09/2025 OD 392 hr OVERDUE W-002 0.020 kg +0.002%
Z-1804D Line B 19/03/2025 17/06/2025 OD 489 hr OVERDUE W-001 -0.120 kg -0.012%
Z-1804E Line C 01/06/2025 30/08/2025 OD 415 hr OVERDUE W-003 0.010 kg +0.001%