INDUSTRIAL LTE DTU
ID512
industrial LTE Cat.1 multi-protocol data acquisition DTU
RS232 & dual RS485 serial ports. It supports Modbus, DL/T645, DLMS multi-meter protocols, VPDN private network, offline data cache, DIN rail wide-temperature industrial design, dual watchdog auto-recovery, TR069 cloud remote O&M
OVERVIEW
FEATURES
✅ Industrial LTE Cat.1 low-power cellular DTU, compatible with global 4G/3G/2G full frequency bands, low power consumption, stable signal, perfectly fit meter reading and low-speed industrial data collection.
✅ Rich industrial serial interfaces: 1×DB9 RS232 + dual terminal-block RS485 bus ports, support access to water meters, gas meters, electricity meters, PLC and various industrial sensors.
✅ Built-in multi-industrial protocol parsing engine: bidirectional Modbus RTU/TCP conversion, native support for DL/T645 power meter protocol, IEC1107, DLMS, CJ/T188 water/gas meter protocols, one-stop data collection without extra protocol gateway.
✅ Support operator public LTE network and VPDN private dedicated network, build isolated encrypted private transmission tunnel for power, water supply and municipal metering projects.
✅ Local offline mass data cache mechanism; automatically store meter data locally during network disconnection, complete automatic retransmission of all cached data after network recovery, zero loss of metering data.
✅ All-metal aluminum alloy rugged industrial shell, wide-range DC power input with full protection circuits: reverse polarity, over-voltage, over-current, surge lightning protection.
✅ Ultra-wide temperature industrial design, stable operation under extreme high/low temperature; high-grade IEC 61000 EMC anti-interference performance, adapt to outdoor meter boxes, factory workshops, substations with strong electromagnetic interference.
✅ Standard DIN35 rail mounting structure, compact slim body, optional wall-mount bracket, easy installation in narrow meter boxes and electrical control cabinets.
✅ Complete multi-layer industrial network security system: multi-level data encryption, built-in firewall, refined ACL access control, IP/MAC binding, prevent data tampering and network intrusion.
✅ Hardware & software dual watchdog self-recovery mechanism, real-time heartbeat link detection; automatically restart and recover abnormal equipment, automatic reconnection after link drop, realize 24/7 unattended stable operation.
✅ Full TR069 cloud centralized remote O&M capability: remote configuration modification, batch firmware upgrade, real-time online device status monitoring, remote fault diagnosis and system log export, greatly reduce on-site maintenance workload of massive distributed metering points.
✅ Built-in NTP automatic network time synchronization, integrated ping/traceroute network diagnosis tools; support TCP Client/TCP Server/UDP/MQTT transparent transmission, seamlessly dock with municipal, power and water industry IoT cloud platforms.
SPECIFICATIONS
| Cellular Communication | Cellular Standard: LTE Cat.1, backward compatible with global 4G/3G/2G full frequency bands |
| Modular Design: Mini-PCIE standard modular 4G module, optional multi-region frequency versions | |
| Peak Rate: Cat.1 downlink 10Mbps / uplink 5Mbps | |
| GNSS: Built-in optional GPS/Beidou dual-mode positioning module | |
| SIM Slot: Single SIM card slot, standard card holder | |
| Antenna Interface: 2 × SMA female antenna ports (4G cellular + GNSS) | |
| Network Access: Operator public LTE network, VPDN private dedicated network | |
| Hardware Interfaces | Serial Interfaces: 1 × DB9 RS232 port, dual terminal-block RS485 bus ports |
| Serial Parameters: Baud rate 300~230400bps; data bit 8, stop bit 1/2, parity none/even/odd | |
| Reset Button: Pinhole hidden hardware factory reset key | |
| LED Indicators: Power, System, 4G signal strength, serial communication running status | |
| Auxiliary Interface: Local USB configuration port for on-site debugging | |
| Power Supply | Input Voltage: Wide range DC 9 ~ 36V terminal block power input |
| Protection Circuit: Complete protection including reverse polarity, over-voltage, over-current, surge & lightning protection | |
| Max Power Consumption: ≤5W (full load 4G module continuous operation) | |
| Mechanical & Mounting | Housing Material: All-metal aluminum alloy industrial dust-proof shell |
| Dimension: W145 × H50 × D105mm (exclude antennas) | |
| Weight: Approx 390g | |
| Installation Method: Standard DIN35 rail mounting, optional wall-mount bracket | |
| Environment & EMC | Operating Temperature: -40℃ ~ +75℃ ultra-wide temperature range |
| Storage Temperature: -40℃ ~ +85℃ | |
| Relative Humidity: 5% ~ 95% RH, non-condensing | |
| Altitude Adaptation: Stable operation at altitude ≤3000m | |
| EMC Standard: Comply with IEC 61000 industrial anti-interference standard | |
| ESD Protection: Contact discharge ±8KV, air discharge ±10KV | |
| Ingress Rating: IP30 dust-proof | |
| MTBF: ≥50000 hours | |
| Software Protocols | Serial Protocol Conversion: Bidirectional Modbus RTU ↔ Modbus TCP conversion; native support for DL/T645 power meter, CJ/T188 water/gas meter, IEC1107, DLMS industry meter protocols; support automatic meter polling & timing data collection |
| Wireless Transmission Modes: TCP Client / TCP Server / UDP transparent transmission, MQTT IoT cloud docking protocol, support SSL/TLS data encryption transmission | |
| Network Routing & Link Reliability: Static routing; offline mass data cache, automatic full retransmission of cached data after network recovery; customizable heartbeat packet, automatic reconnection after link drop | |
| Network Security Mechanism: Multi-layer data encryption, built-in SPI firewall, refined ACL access control, IP/MAC binding, MAC address filtering, prevent data tampering and network intrusion | |
| Auxiliary Network Functions: NTP automatic network time synchronization; built-in ping/traceroute network diagnosis tools; support port mapping for remote access of field meter equipment | |
| Management Methods | Local Management: Local WEB configuration page, serial CLI command line debugging, USB local parameter configuration |
| Remote Management: SSH remote login, TR069 cloud platform centralized remote O&M, remote configuration modification, batch firmware upgrade, real-time device status monitoring | |
| Diagnosis Tools: Built-in network diagnosis commands, export system running logs, offline data cache log export |
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