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M2M IoT SIM Cards in India: What to Look For and Where to Get Them
M2M SIM cards for industrial IoT in India — what makes them different from consumer SIMs, why Sanchar Saathi registration matters, and how to get started.
How to Choose a SIM Card for Industrial 4G IoT Deployments in India
Choosing the right SIM and data plan for industrial IoT gateways in India. Airtel vs Jio vs BSNL, static IP, private APN, signal at remote sites — practical guide.
Solar Plant Monitoring: What Data Actually Matters
What to monitor in a solar plant and why. Inverter data, string current, PR ratio, and how to set up remote monitoring over 4G with Modbus.
Modbus Troubleshooting: No Response, CRC Errors, and Wrong Values — Fixed
Systematic approach to fixing Modbus RTU communication failures — no response, CRC errors, timeout issues, and wrong register values. Field-tested methods.
Water Plant Monitoring with IoT: From Manual Rounds to Real-Time Data
How to set up IoT monitoring for water treatment plants, STPs, and pump stations. Pumps, flow meters, energy — all on a single remote dashboard.
Monitoring VFDs Remotely via Modbus and 4G: Speed, Current, Faults — All in the Cloud
How to read VFD parameters — output frequency, current, motor RPM, fault codes — over RS485 Modbus RTU and push them to a cloud dashboard over 4G.
Setting Up MQTT for Industrial IoT: A Practical Guide
MQTT for industrial IoT — broker setup, topic design, QoS levels, TLS security, and connecting your Modbus gateway to any MQTT platform.
Modbus TCP vs Modbus RTU: A Practical Guide for Industrial Engineers
Modbus RTU and Modbus TCP explained without the textbook theory. When to use each, how they differ, and which your application actually needs.
How to Monitor Multiple Energy Meters Over 4G
Step-by-step guide to monitoring multiple energy meters remotely over 4G. RS485 bus setup, register mapping, and cloud dashboard configuration.
RS485 Wiring Best Practices for Industrial Sites
RS485 wiring mistakes that kill Modbus communication — and how to avoid them. Topology, termination, grounding, and cable selection for industrial sites.
Factory Machine Monitoring with IoT: Eliminate Manual Logbooks
How to set up real-time IoT monitoring for factory machines — energy, runtime, alarms. Replace manual logbooks with live data and trends.
Modbus Data Logger: Complete Setup Guide for Industrial Sites
Step-by-step guide to setting up a Modbus data logger on an industrial site. Register mapping, wiring, cloud config, and troubleshooting.
Battery-Powered IoT: Designing for 2+ Year Battery Life in Industrial Deployments
How to design battery-powered IoT deployments that last years, not months. Real power budgets, sleep strategies, and field-tested numbers.
Connecting Modbus Devices to the Cloud Over 4G — Practical Guide with Selec EM2M
Wire a Selec EM2M energy meter to a 4G gateway over RS485, configure registers, and push data to cloud via MQTT. Full tutorial with wiring and debugging.