MQTT data flow
Broker-based publish/subscribe communication for PLC gateways, ESP32 nodes, and browser-ready dashboards.
SCADA • IoT • MQTT
SCADA, IoT & MQTT Dashboard Monitoring
Factory visibility for machine status, alarms, production counters, energy, and process data.
Java Electrindo helps factories connect PLCs, gateways, sensors, and dashboards into one practical monitoring system for operators, technicians, and supervisors.
Core modules
What the solution covers
The system should not stop at one screen. It should connect field data, alarm visibility, operator use, and practical reporting.
SCADA dashboard visibility
Live status, trends, counters, alarm summaries, and payload tables for operators, engineers, and supervisors.
Display blocks and reporting
Gauge, lamp, trend, event log, payload inspection, and role-based reporting blocks for day-to-day operations.
Key protocols
MQTT and Modbus in one practical view
Both matter. Modbus is practical for reading industrial devices and machine registers. MQTT is practical for distributing that data into dashboards, alarms, and remote visibility.
MQTT for dashboards and remote monitoring
MQTT uses publish/subscribe messaging through a broker. It is a strong fit for dashboard visibility, alarms, event distribution, and browser-based monitoring.
Modbus for device and register integration
Modbus uses register-based communication for PLCs, meters, VFDs, and instruments. It is a practical base layer for local machine data collection before SCADA or MQTT distribution.
Monitoring scope
What can be monitored?
A practical dashboard should show the values that help operators, technicians, and supervisors act faster.
Machine status
Run, stop, idle, fault, mode, cycle state, and simple production condition visibility.
Production counters
Batch count, output count, reject count, shift target, and simple productivity tracking.
Process values
Temperature, pressure, level, flow, humidity, pH, and other process feedback values.
Energy monitoring
Voltage, current, kWh, load trend, demand pattern, and basic energy visibility.
Alarm tracking
Fault code, alarm time, recovery status, repeated alarm pattern, and maintenance priority.
Operator visibility
Dashboard screens, trend charts, event logs, payload tables, and role-based operation views.
Live dashboard walkthrough
See the full monitoring story in one screen
A useful SCADA and IoT dashboard should combine machine status, process values, counters, energy, alarms, and operator-facing event visibility in one clean operational screen.
- Top summary blocks show whether the area is healthy before the operator reads details.
- Trend and process values help technicians judge behaviour, not just a single number.
- Alarm and event views support quick response, traceability, and maintenance follow-up.
Industry examples
Monitoring systems by industry
Different sectors care about different data points. The monitoring structure should follow the actual process and operating risk.
Agriculture
Monitor irrigation pumps, greenhouse climate, water tank level, flow, and utility alarms for practical field visibility.
Pharmaceutical
Monitor room temperature and humidity, differential pressure, batch status, alarms, and utility condition with stronger discipline.
Textile
Monitor dyeing cycle, machine status, temperature, chemical dosing, batch progress, and alarm visibility across dyehouse operations.
Automotive
Monitor station status, cycle time, torque process, line stoppage, Andon escalation, and repeat downtime patterns.
Incinerator
Monitor burner temperature, chamber pressure, fan status, feed conveyor, and critical alarms so the incinerator runs safely and consistently.
HVAC / Chiller
Monitor chilled water temperature, supply and return, pump status, pressure, room condition, and utility alarms for plant comfort and process stability.
Manufacturing value
Why MQTT-based SCADA & IoT matters
The purpose is practical: make machine conditions easier to see, respond to, and analyze without waiting for manual reports from the production floor.
Real-time visibility
Machine status, counters, alarms, and sensor values can be shown in one dashboard.
Lower downtime risk
Trend and alarm data help technicians notice abnormal patterns earlier.
Practical integration
Data can come from PLC gateways, ESP32, HMI gateways, sensor nodes, or edge devices.
Example dashboard views
A practical deployment usually combines overview KPIs, trend charts, active alarms, and a simple event or payload table.
- Overview KPIs for status, counts, and utility use.
- Trend views for temperature, pressure, or energy behavior.
- Alarm/event tables for troubleshooting and accountability.
Performance and quality
KPI examples for line performance and quality
Not every dashboard stops at visibility. Some projects also need KPI logic such as OEE, reject quality, and counted output for production accountability.
OEE monitoring
Track availability, performance, quality, and total OEE so teams can see whether downtime, speed loss, or rejects are reducing effective output.
Capsule count and reject quality
Useful for pharmaceutical or packaging lines that must count accepted capsules, detect rejects, and review quality trends by shift or batch.
Integration sources
Supported source devices
The system can be adapted to the available machine, panel, gateway, and network condition.
PLC gateway
ESP32 / sensor node
HMI gateway
Modbus TCP / RTU bridge
MQTT broker
SCADA dashboard
Industrial PC / local server
Cloud or local network deployment
Operations workflow
Roles, access, and reporting rhythm
A public-ready monitoring page should show not only data sources, but also who uses the dashboard and how the reporting cycle supports decisions.
Typical access levels
GuestRead-only access for visitors or management review.
OperatorDaily production view, alarms, counters, and process status.
EngineerDeeper trend review, payload inspection, and troubleshooting context.
SupervisorShift coordination, alarm review, summary approval, and cross-area production visibility.
AdminUser management, dashboard settings, and role control.
Summary and reporting cycle
Daily summaryShift output, active alarms, downtime notes, and urgent follow-up items.
Weekly summaryTrend review, repeat faults, utility use, and machine performance checks.
Monthly summaryManagement view for KPI movement, maintenance patterns, and improvement priorities.
These summaries can be prepared manually or assisted by AI after operators validate the raw production data.
Project flow
Typical implementation flow
A controlled workflow helps avoid unclear data points, unsafe control assumptions, and dashboard confusion.
Site survey and data-point list
List tags, topics, machine status, sensor values, counters, and alarms.
Gateway and protocol mapping
Connect PLC, edge device, ESP32, or HMI gateway to a reliable data path.
Dashboard and alarm design
Create display blocks, gauges, lamps, trends, payload tables, and alarm views.
Testing and commissioning
Validate update behavior, operator flow, alarm logic, and safe permission boundaries.
Handover and documentation
Prepare usage notes, topic references, login roles, and maintenance guidance.
Ready to see the MQTT dashboard demo?
Open the controlled dashboard, enter as guest, and test MQTT display blocks, trends, and payload inspection.