Description

Designed for fast, dependable integration, the TCG140-4 supports HTTP API and MQTT (publish/subscribe), sends HTTP/HTTPS POST in XML/JSON, and includes MODBUS RTU for interoperability with a wide range of industrial devices (including Teracom sensors). With built-in 0–10 V analog inputs and 0–20 mA current loop support, it connects directly to standard automation signals—no extra gateways required.

As the direct successor to the widely deployed TCG140, it preserves the same I/O peripherals and digital interfaces, enabling a smooth migration from legacy 2G installations to 4G LTE—especially where 2G is being phased out. Initial setup is performed via a browser-based graphical interface; in the field, remote configuration via SMS or HTTP API commands is available, along with firmware updates over USB or Internet (OTA). A rugged metal enclosure and included accessories make it DIN-rail ready for professional installations.

Key benefits & differentiators

• Multi-band 4G/3G/2G connectivity for broad coverage and long-term continuity.
• MQTT 3.1.1 + HTTP(S) API for seamless SCADA/IoT platform integration.
• Standard analog inputs (0–10 V and 0–20 mA) with configurable multiplier, offset, and engineering units.
• MODBUS RTU and 1-Wire interfaces for scalable sensor and device expansion.
• Built-in data logger with up to 70,000 records and scheduled CSV uploads.
• Fast reaction with SMS and Email alerts (SMTP with TLS).
• Industrial-grade deployment: metal enclosure and DIN-rail mounting.

Features

• Multi-band cellular connectivity (4G/3G/2G).
• MQTT support (publish & subscribe), compatible with MQTT 3.1.1.
• Setup via USB, SMS, or HTTP(S) API.
• 2 digital dry-contact inputs.
• Support for up to 8 Teracom 1-Wire sensors.
• Support for up to 8 MODBUS RTU sensors/devices.
• 4 relay outputs with NO and NC contacts (Form C).
• Up to 4 analog inputs (0–10 VDC).
• Up to 2 current loop inputs (0–20 mA).
• HTTP/HTTPS API commands for integration.
• Periodic HTTP/HTTPS POST with current status in XML or JSON.
• Data logger up to 70,000 records.
• Periodic CSV upload of logger data via HTTP/HTTPS POST.
• SMS alarm alerts (up to 5 numbers).
• Email alarm alerts (up to 5 recipients), SMTP with TLS.
• DIN-rail mount ready.
• Firmware update via USB or Internet.

Typical applications

• Data logging for pharmaceutical and food facilities.
• Remote environmental sensing and condition monitoring.
• Smart remote facility and building management.
• Remote monitoring of industrial processes.
• Remote control of irrigation and pumping systems.
• Smart cities street lighting control systems.

Use cases (examples)

• SCADA systems: integrates via periodic HTTP/HTTPS POST and MQTT for efficient client-server data exchange.
• Stand-alone data logger: records as frequently as every minute—ideal where Ethernet is unavailable—then uploads CSV data periodically.
• Geolocation-based tracking: supports mobile asset monitoring (e.g., refrigerators, display cases), effective indoors or where GPS coverage is limited.
• Environmental monitoring & control: measures and controls environmental parameters to maintain optimal conditions.

Supported devices (examples)

• Humidity and temperature sensor TSH300
• MODBUS RTU S0 pulse counter TDI340
• Precision temperature sensor TST300
• Third-party MODBUS RTU sensors
• 1-Wire Pt100 transmitter TST200
• 1-Wire galvanically isolated AC/DC current sensor TSC200
• Galvanically isolated voltage sensor with 1-Wire interface TSV200
• 1-Wire galvanically isolated 0/20mA current loop transmitter TSA200
• Humidity and temperature sensor with 1-Wire interface TSH206
• Temperature sensor with 1-Wire interface TST103

Technical specifications

Integration note: the combination of HTTP(S), MQTT, MODBUS RTU, and standard analog ranges makes the TCG140-4 a strong choice for scalable automation, telemetry, predictive maintenance, and high-reliability remote monitoring projects.