Comparisons
Comparisons between Modbus gateways, protocols and monitoring solutions.
M-Bus explained: how the meter bus differs from Modbus
M-Bus (EN 13757) reads heat, water, gas, and electricity meters. Signal levels, addressing, cable length, and how the meter bus differs from Modbus RTU.
Modbus data logger: local SD card or cloud logging
A Modbus data logger polls registers as master and stores them with a timestamp, locally or in the cloud. How to choose, and how to size the memory.
RS485 vs RS422: which differential bus for Modbus?
RS485 vs RS422 for installers: number of drivers, full-duplex or half-duplex, and why Modbus chose RS485. Plus when RS422 is still the better fit.
RS485 vs RS232: which serial link for Modbus?
RS485 vs RS232 for Modbus installers: differential vs single-ended, max cable length, node count, and when to pick each, plus how a gateway bridges either to the cloud.
Plug and play IoT Modbus monitoring: what it means and doesn't
What does plug and play IoT Modbus monitoring actually mean? An honest comparison of self-configuring versus a pre-programmed gateway, and what you still do on site.
Modbus Monitoring: Cloud Remote Access Buyer Guide 2026
Installer buyer guide to Modbus monitoring in the cloud. Three remote access models, real costs, NIS2 and IEC 62443, and when a cloud gateway fits.
Refrigeration Monitoring System: How to Choose a Platform
How to choose a refrigeration monitoring system in 2026. Wireless probes, enterprise FDD, vendor portals and open Modbus monitoring compared for installers, with an F-gas compliance angle and an honest decision rule.
VDKF-LEC Alternative: Logbook vs Live Monitoring
VDKF-LEC or ModbusCloud for your refrigeration fleet? A DIN EN 378 F-gas documentation logbook compared with live Modbus monitoring, with an honest verdict, cost logic and the EU 2024/573 regulatory context.
Modbus RTU vs Modbus TCP: when to pick which?
Modbus RTU vs TCP decision for installers. Differences in frame, speed, range, security and cost, plus when a gateway is the right hybrid.
Energy management software: 6 EMS platforms compared (2026)
Energy management software in 2026: six EMS platforms (Schneider, Siemens, IngSoft, Optenda, Ecoplanet, ModbusCloud) compared on protocol depth, EU EED 2023/1791 audit fit, ISO 50001 reporting and total cost.
Industrial IoT Gateway: 10 Models Compared (2026)
Independent comparison of 10 industrial IoT gateways for installers. Modbus, BACnet, MQTT, cybersecurity (NIS2, CRA), and 2026 EU pricing. Which fits?
Energy meter Modbus: 10 best meters for installers compared (2026)
Energy meter Modbus comparison for 2026: 10 models from Eastron, Schneider, Carlo Gavazzi, Janitza, Siemens and Loxone side by side on MID, accuracy class, connection and use case per installer.
BACnet vs Modbus: which protocol fits your building automation job?
Installer guide BACnet vs Modbus in 2026. Protocol stack, scheduling, COV, BACnet/SC, cost, when to gateway, and what NIS2 plus EPBD recast change.
Modbus Gateway Buyer Guide for Installers (2026)
Practical Modbus gateway buyer guide for 2026. Four gateway types, the specs that matter, price bands, IEC 62443 and where the ModbusCloud Gateway fits.