Water Conservancy automated hydrological systems, water prices hydrological systems automation, water automation system manufacturers Tarzan opened hydrological Electric is a company specializing in the production of coal mining equipment company, located at the foot of Mount Tai, has a 15 year history, the company as Shandong University, Shandong University of Technology research base, relying on years of college talent and strong technical strength, "with advanced automatic control technology to improve people's living and working environment" for business purposes, the development of the "hydrological monitoring system" product users all over the country 25 provinces (including autonomous regions and municipalities), for the industrial and mining production safety, energy consumption and improve productivity to provide effective protection. Water Conservancy automatic hydrological monitoring alarm system monitored by the sub-stations and observation points control room monitoring center. Each observation point monitoring sub-station communication with the monitoring center can choose Ethernet, GPRS and GSM communication method according to need. Each observation point monitoring sub-station according to the actual needs of the corresponding sensor, remote terminal (including acquisition modules, memory modules and communication modules), batteries, lightning protection and grounding equipment systems and other components. There are a host control center monitoring and management software. System parameters System Capacity: 256 sets of sub-station equipment. System inspection cycle: ≤ 30s. Data transmission: Fiber, RS485 bus, Ethernet. Communication distance optical fiber communication: ≤ 20km (single-mode fiber optic cable) bus communication: ≤ 1km (four-core communication cable) Ethernet communication: ≤ 100m (RJ45 cable) network transport protocols: TCP / IP, ModBus RTU. Operating system: Windows xp. Database: SQL2005 establish a database to store the backup, monitoring data permanently stored. Communication sub-station using KDW660/18B flameproof and intrinsically safe DC power supply. Ground Equipment Power supply: AC220V.