Intelligent water meter with valve control as base table, embedded in the water meter counter box of optoelectronic devices and microcontroller, communication module, the control circuit. There is no battery in the table. Optoelectronic devices inserted in both sides of the wheel, words wheel electronic code identification of hole is open. Every word wheel five optical electronic devices to read word wheel electronic code, a microcontroller to read electronic code parsing and transformation for the data.

1. Bus voltage data transmission equipment：DC36V；
2. Bus transport current data transmission equipment：I≧2A；
3. Water meter bus power supply voltage：DC U＝12V～36V；
4. Photoelectric work voltage：DC U≤5.5V；
5. Photoelectric working current：I≤11Ma;
6. The valve operating voltage: DC U≤5.5V;
7. The valve working current: I≤100mA （PN≤0.6MPa）;
8. Message transmission rate:240bps;
9. mean time between failures(MBTF)> 2.63×104h.

1. Pre-paid functions：According to the meter reading, measuring, deduction . Money deposited is zero or negative valve automatically shut down. Charge system and meter control system realize the intelligent management, the household table amount greater than zero, the valve automatically opens.
2. In the table without battery, the power failure rate is 0.
3. The household table can realize functions of prepaid and after paying, use agile and convenient.
4. The accuracy level: level 2;
5. More than 10 years of life;
6. Compatible with a variety of communication protocols;
7. Meet the EMC and ESD, EMI electromagnetic compatibility of electronic products such as the design requirements, the industry leading level;
8. Combined with a PC system, establish a remote automatic meter reading system, truly realize the automatic meter reading and monitoring.

1. Configuration：Independent server IP address, The host server computer, meter reading system, Data transmission equipment, end table, data line, etc;
2. M - BUS link were all connected to a data transmission device, after using GPRS wireless platform. Log in independent IP address of the host server computer. For data transmission.
3. Each data transfer device can connect up to 256 households with instrument only. Data transmission equipment need to support 220 v mains and mobile 3 g card support.
4. Meter reading system reserved port, which is connected with the original charge system. As long as the connection is established, all data directly into the charge system of meter reading.
5. system features: Any a watch a failure will not affect other table with the bus, the meter reading, reading, transmission.
The equipment configuration in place, is arranged in the middle of network data transmission equipment to increase the network configuration can be upgraded to a wired network centralized meter reading.