Smart IoT Edge Devices for
Data Acquisition & Real-Time Visibility
A unified hardware version of ETALog, ETALog Ultra, ETALog Pro and ETALog Node
Robust and generic data-pipelines with real-time Protocol Translations and Edge Computations for Brownfield/Greenfield projects
Universal compatibilities with Layer-1 and Layer-2 software systems
Protocol Library including Modbus, IEC 61850, DLMS, MQTTs, SFTP and 200+ protocols, available at one-time cost
Integrated with protective gear and Plug & Play type arrangements
Layer-1 security through built-in Firewall, TPM 2.0, Encryption and Authorization Methods
Smart IoT Edge Devices for
Data Acquisition & Real-Time Visibility
🔍 Overview
The ETAlog Series is Cogneta’s family of rugged, intelligent IoT and data acquisition devices purpose-built for renewable plants, substations, industrial assets, and remote monitoring.
From compact RTU modules to full-scale data concentrators, each model is engineered for millisecond-accurate acquisition, secure communication, and protocol bridging — enabling real-time integration of field data into SCADA, EMS, cloud platforms, and analytics dashboards.
ETAlog Device Range
ETAnode Small
Compact Data Logger | IoT Node | DIN-Mount RTU
- Ideal for string combiner boxes, weather stations, and distributed sensors
- 2x RS-485, 1x Ethernet, 4x DI, 2x AI
- LoRa, NB-IoT, or 4G cellular options
- Ultra-low power design, solar panel compatible
🔹 Use Case: Distributed PV logging, compact control panels, streetlight/EV pole telemetry
ETAlog
Standard Edge Logger | Field RTU | Protocol Converter
- 2x RS-485, 2x Ethernet, Optional IO Modules
- Modbus, OPC, DLMS, MQTT, HTTP
- Internal buffer memory with local data storage
- DIN/panel mount with metal casing
🔹 Use Case: Inverter telemetry, string-level SCADA, DG metering, smart water plants
ETAlog Max
Advanced Data Logger | Substation-Grade RTU
- 4x RS-485, 2x Ethernet, IO
- GPS time sync + high-speed timestamping
- Supports Modbus, OPC, IEC 60870-5-104, DNP3, DLMS, MQTT
- Dual SIM 4G LTE modem with VPN/IPsec
🔹 Use Case: Utility metering, substation relay data, solar/wind collector data acquisition
ETAlog Ultra
Industrial Gateway | IoT Edge with Processing
- Embedded Linux with Docker support
- Analog/Digital IOs, CAN, Modbus, OPC UA, MQTT, HTTP, PLC – Rockwell, Mitsubishi, Siemens, Schneider & more
- Supports IEC 61850 mapping
🔹 Use Case: Solar+BESS+DG hybrid systems, AI-enabled predictive maintenance, protocol-rich environments
ETAlog Pro
Premium IoT Concentrator | Cloud Bridge | Secure Gateway
- All features of ETAlog Ultra + edge computing engine
- REST/GraphQL API server, local web dashboard
- Encrypted local storage + cloud sync (AWS, Azure, Cogneta Cloud)
- Redundant communication (4G, Wi-Fi fallback)
🔹 Use Case: Centralized plant gateways, fleet aggregation, OEM remote monitoring solutions
ETAlog Max
Advanced Data Logger | Substation-Grade RTU
- 4x RS-485, 2x Ethernet, IO
- GPS time sync + high-speed timestamping
- Supports Modbus, OPC, IEC 60870-5-104, DNP3, DLMS, MQTT
- Dual SIM 4G LTE modem with VPN/IPsec
🔹 Use Case: Utility metering, substation relay data, solar/wind collector data acquisition
Supported Protocols & Standards
| Protocol | Support Description |
| Modbus RTU/TCP | Serial and Ethernet industrial telemetry |
| DLMS/COSEM | Energy meter data acquisition |
| IEC 104 | Substation/SLDC interfaces |
| MQTT/HTTP | Lightweight IoT sync with cloud |
| OPC UA/DA | SCADA and BMS integration |
| CAN Bus | DG sets, EV chargers, small devices |
Security & Reliability
- Built-in firewall, VPN, and secure firmware updates
- Auto-reboot, watchdog timers, and buffer sync logic
- Supports ISA/IEC 62443-ready deployment setups
- Tamper-proof enclosures with IP-rated casing (model-specific)
Deployment Models
| Model | Deployment Type |
| ETAnode Small | Compact panels, poles, weather boxes |
| ETAlog | String boxes, RTU panels, OEM enclosures |
| ETAlog Max | HT rooms, substations, main panels |
| ETAlog Ultra | Smart switchyards, hybrid junctions |
| ETAlog Pro | Central control rooms, fleet cloud hubs |
Integrates Seamlessly With
✅ ETAview SCADA
✅ ETAFlux EMS
✅ 3rd-party platforms via Open API & MQTT brokers
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