1、 Overview:
Heating valve control: Receive information and commands such as room temperature and set values from the room temperature controller, execute valve control commands, control the opening and closing of the heating valve, and achieve the goal of regulating and controlling indoor temperature;
Data communication: Multiple communication interfaces and methods, real-time exchange of data and commands between downstream and room temperature controllers, real-time exchange of data and commands between upstream and acquisition calculators, and execution of instructions from higher-level systems;
Status indication: The indicator light visually displays information such as valve status, working status, communication status, and fault status;
Data storage: Real time recording and storage of user heating related information and historical data, including valve status, valve opening and closing time, indoor temperature, set temperature, cumulative valve opening time, heat allocation, fault records, etc; Can store operational data for more than two years, with a storage time of more than when powered off10Year;
Unified timing: The management system can calibrate the clock of the on/off controller uniformly through a collection calculator;
Valve state power-off maintenance: When the system is powered off, the valve remains automatically open to ensure user heating.
Remote control: The system can remotely command and control the opening or closing of valves, which is beneficial for management;
The product meets the technical standards:
JG/T 379Technical Conditions for Thermal Metering Devices Using Time Area Method
Q/FSJYS 0002-2013Thermal metering device using on-off time area method
2、 Product features:
l Intuitive status indication: The drone interactive interface does not require human intervention, and the status indication is clear and intuitive;
l Multiple communication methods: Supports multiple communication methods
Wireless communication method with room temperature controller
With the collection calculator (optional):M_busBusRS485Bus, wirelessLORA
Handheld device: infrared communication interface
l Communication protection: Communication abnormal state protection, system operation safety, ensuring heating quality;
l Massive data storage: Real time recording and storage of user heating related information and historical data, capable of storing user heating operation data for more than two years;
l High reliability: Control valves and their actuators have a service life greater than10Ten thousand times, stable and reliable;
l Valve interface: adopting flexible structural design, different valves can be matched according to user needs;
l Safe power supply: usingDC24VPower supply, power<5WSafe and energy-efficient operation;
l Remote monitoring: The management system platform is used for remote centralized and unified management, monitoring the real-time heating operation status of users and improving the level of heating management.
3、 Technical parameters:
1. Clock error:≤5s/d
2. Working power supply:DC24V/50Hz
3. Working current: Working current<120mAStandby current<1mA
4. Working medium temperature:(4~90)℃
5. working pressure:≤1.0MPa
6. Valve service life: switch times>10Ten thousand times
7. Wireless data communication:
Working frequency:475MHzOccupation of bandwidth: ≤200kHz
Transmission power:≤50MwReceiving sensitivity:-100dBm
Communication speed:2400bpsCommunication distance: under line of sight conditions>500m
8. M_bus(orRS485)Communication:
Communication protocol:CJ/T 188-2004Technical Conditions for Data Transmission of Household Measuring Instruments
Communication baud rate:2400 bps
9. wirelessLORACommunication:ISMFrequency band, carrier frequency(470~510)MHz
10. Data storage: Storage >2Annual heating operation data, power outage storage time>10year
11. Working environment conditions: Environmental temperature:(-10~55)℃; Relative humidity:<80%RH
12. Protection LevelIP67
13. Power off and open valve (adjustable)
Product Function Table
| project | function | |
| display function | display mode | LED indicator light, 5-digit |
| Display content | Valve switch status, communication status, working status, fault status, etc | |
| Measurement function | measurement parameters | Valve opening and closing time measurement |
| control function | valve control | Control the heating valve switch according to the set room temperature or system command |
|
communication function |
Wireless module communication | Wireless communication module interface, real-time communication with room temperature controller, 475MHz/2400bps |
| Wired communication | M-bus (or RS485) bus communication interface, real-time communication with acquisition calculator, CJ/T188 communication protocol, 2400bps | |
| Wireless LORA communication | ISM frequency band, carrier frequency (470-510) MHz | |
| infrared communication | Infrared communication interface for device parameter setting, testing, debugging, and querying through communication with handheld devices | |
| Data storage function | Historical data storage | Store heating operation parameters for more than two years and store them for more than 10 years in case of power failure |
| Real time data storage | Real time storage of current time, set temperature, indoor temperature, valve on/off status, valve on/off time, valve cumulative opening time ratio, heating start/end time, heat allocation, fault information and other parameters | |
| Functionality | Installation method | Flexible fixation on the control valve body for easy installation and maintenance |
| safety protection | Dustproof, waterproof, and damage resistant, with a protection level of IP54 | |
| management function | remote monitoring | Remote centralized and unified management of the management system platform, real-time monitoring of user heating operation status |
IIinstallation dimensions
Size of on-off controller: long×wide×Thick(mm):80×80×75
Control valve size:DN25: Long×wide×High(mm):75×40×75, Thread:RP3/4
