| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
The Hollysys LT Series RTU is a rugged, field-deployed Remote Terminal Unit developed specifically for remote intelligent control of oil pumping units and well-site production systems. Built around a domestic ARM9 300MHz processor running an embedded Linux OS, it delivers 100% independent controllability and complies with GB/T 34039-2017 and PetroChina's IoT construction specifications.
Key parameters include 24VDC wide-range power (18-32VDC), 8-channel DI (dry/wet contact optional), 4-channel relay DO (2A/250VAC), and 4-channel 4-20mA analog inputs, all housed in a compact 135×100×40mm DIN-rail enclosure rated -40°C to +80°C.
The LT Series RTU integrates RS485, Ethernet (Modbus TCP/RTU/ASCII), and optional 4G / ZigBee / Wi-Fi / LoRA wireless networking for seamless SCADA integration over long distances.
It provides specialized oilfield automation functions including intermittent pumping control, dry pumping protection, automatic power-on startup, and continuous spraying & pumping coordination while onboard diagnostics, watchdog protection, and isolated I/O ensure dependable unmanned operation.
Proven in major fields such as Daqing, Liaohe, Xinjiang, Tuha, and Changqing, it is the go-to RTU choice for single-well telemetry, regional well-site digitalisation, pipeline monitoring, and any remote asset where wide-temperature, low-power, autonomous edge control matters.
| Parameter | Specification |
|---|---|
| Target Application | Oil & gas extraction / remote pumping unit control; compliance with GB/T 34039-2017 (RTU technical specification) and China National Petroleum Corporation A11 IoT construction specifications |
| Processor Architecture | ARM9 (32-bit), embedded Linux OS, 100% self-developed and controllable |
| CPU Clock Speed | 300 MHz |
| System Memory (SDRAM) | 64 MB |
| Non-Volatile Storage | 256 MB FLASH |
| Power Supply | LT-CU-102: 220V AC ±30% (static 3W) / 24V DC; LT-CU-101: 24V DC (static 1.5W) |
| Digital I/O (DI/DO) | LT-CU-102: 4 DI / 4 DO; LT-CU-101: 4 DI / 2 DO |
| Analog I/O (AI/AO) | LT-CU-102: 4 AI / 4 AO; LT-CU-101: 2 AI |
| Communication Interfaces | RS485: 2 (LT-CU-102) / 1 (LT-CU-101); RS232: 2 / 1; Ethernet RJ45: 2 / 1 (Modbus TCP, dual-network redundancy); Wireless: 4G, Zigbee, WiFi, LoRa; USB: 1 |
| Module Dimensions (W×H×D) | LT-CU-102: 164 mm × 212 mm × 50 mm; LT-CU-101: 135 mm × 100 mm × 40 mm |
| Operating Temperature / Humidity | -40℃ to +80℃ / 5% to 95% RH, non-condensing |
Xiamen ZhiCheng Automation Technology Co., Ltd is a leading global supplier of control system components. We specialize in control systems and drives.
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