ATW300G Din Rail Temperature Measurement System

Application: Online monitoring of equipment in industries such as power generation, chemicals, cement, mining, and metallurgy Temperature monitoring of critical components such as switchgear, busbars, cable joints, and circuit breaker contacts Compatible with active or passive wireless temperature sensors, suitable for confined spaces such as high-current cabinets and interconnection cabinets Local deployment on an internal network or cloud-based data aggregation to enable remote data collection and early warning Industrial IoT applications requiring DIN-rail mounting, multi-sensor connectivity, and Modbus integration

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Product Details

Application:

Online monitoring of equipment in industries such as power generation, chemicals, cement, mining, and metallurgy
Temperature monitoring of critical components such as switchgear, busbars, cable joints, and circuit breaker contacts
Compatible with active or passive wireless temperature sensors, suitable for confined spaces such as high-current cabinets and interconnection cabinets
Local deployment on an internal network or cloud-based data aggregation to enable remote data collection and early warning
Industrial IoT applications requiring DIN-rail mounting, multi-sensor connectivity, and Modbus integration

Functions

Support for Multiple Sensor Types: Supports various wireless sensors, including temperature, temperature and humidity, smoke, and current sensors (up to 250 temperature sensors; total connections not to exceed 250)
Real-time Data Monitoring: Monitors sensor data and operational status in real time; default temperature limits are 90°C (upper) and -20°C (lower)
Wireless Signal Monitoring: Monitors sensor wireless signal strength (RSSI) in real time to assess communication quality; relays can be added when signal is weak
Alarm Threshold Settings: Supports global configuration of high/low temperature warning and alarm thresholds; local buzzer alarm
RS485 Communication: Dual RS485 interfaces; supports Modbus RTU protocol; configurable baud rate from 1200 to 19200
Mobile WiFi Configuration: Connect via a mobile device to a hotspot for convenient configuration of sensor lists, sensor replacement, alarm parameters, communication settings, and more
Wireless Remote Transmission: 433 MHz RF, with a transmission range of up to 300 meters in open areas
Wide-Voltage Power Supply: AC/DC 85V–264V wide-voltage input, power consumption ≤3W, suitable for industrial site power sources
DIN Rail Mounting: Standard 35mm DIN rail mounting, compact design, saves cabinet space
Relay Forwarding Function: Supports multi-level relay cascading (Levels I–V), automatic recognition, expands wireless coverage range

Parameters

RF Frequency	433 MHz
Transmission Range	300 meters (in open terrain)
Maximum Number of Sensors	Temperature: 250 + Temperature and humidity: 250 + Smoke: 250 + Current: 250 (total not to exceed 250)
Alarm Threshold (Default)	High temperature: 90°C / Low temperature: -20°C (configurable)
Alarm Output	Buzzer
Communication Interface	2×RS485（Modbus RTU）
Baud Rate	Default: 9600 (optional: 1200–19200)
Data Format	Default: 8N1 (Supports 8N1, 8E1, 8O1, 8N2, 8E2, 8O2)
Power Supply	AC/DC 85V～264V
Rated Power	≤3W
Operating Temperature	-20℃ ～ +70℃
Storage Temperature	-40℃ ～ +85℃
Ambient Humidity	<95% RH, no condensation, no corrosive gases
Mounting Method	35 mm standard DIN rail mounting
Enclosure/Protection Rating	PC / IP20
Dimensions	94 × 36 × 59 mm (excluding terminals)
Weight	Approximately 81 g (excluding terminals)

Dimension

Logic diagram

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ATW300G Din Rail Temperature Measurement System

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