LM-480 is a new type of temperature and humidity acquisition module, it can realize the use of the temperature and humidity data acquisition, and the use of RS-485 bus serial communication interface itself can be conveniently and monitoring host or other industrial control network.
LM-480 uses the top and bottom cover separate design, the user can separate it first, install the back cover first, and then cover the top cover to facilitate construction and future maintenance:
Work from -40 to 85 DEG C industrial grade temperature and humidity acquisition module, temperature acquisition range of 40 DEG C 85, accuracy of 0.1 DEG C; relative humidity range from 0 to 100%, accuracy of 0.5%.
Temperature and humidity acquisition module through the LM-480 485 communication interface isolation and RS-485 network connected local control, RS-485 allows up to 255 temperature and humidity acquisition module is hung on the same bus, but as with RS-485 repeater of Link-Max, can be up to 510 temperature and humidity acquisition module is connected to the same network, communication distance 1200m. The temperature and humidity data acquisition module installed network, to deal with the configuration, and should be the first network module of the baud rate and baud rate is consistent, and should set the temperature and humidity acquisition module for different address, address to prevent conflict in various temperature and humidity acquisition module.
The special design of the toggle switch, with large LCD display, all parameters can be intuitive and convenient settings:
After the temperature and humidity acquisition module is properly connected, the host sends out the read data command, so that the temperature and humidity acquisition module sends the data back to the host. The data in the temperature and humidity acquisition module is updated every second
LM-480 intelligent temperature and humidity acquisition module is a fully digital temperature and humidity data acquisition module has a wide application foreground, the module can be used to make environmental monitoring computer room becomes very easy, the monitoring host can easily block the important room (such as blade server cabinet, cabinets, network cabinets, router switch UPS power distribution cabinet). Temperature and humidity data acquisition, while simplifying the whole room monitoring system, and the reliability of the computer room monitoring system is also improved. Therefore, the module is widely used in the computer room, monitoring system, power system and industrial automation, and has excellent performance to price ratio.
Input response time (module data update rate) is 1 second synchronous measurement
1 isolated 485, MODBUS RTU communication protocol
With RS-485 two-wire output interface, ESD has the protective function of 15kV
Speed (BPS) can be selected in 1200, 2400, 4800, 9600, 19200,, 38400, 57600 and 115200
Level of accuracy: temperature is 0.2; humidity is 0.5
Power supply: 5 ~ 7.5V
Power consumption is less than 0.1W
The working temperature range of 40 DEG C 85
The storage conditions for 40 DEG C (RH:5% ~ 95% 85 without dew)
The volume is 30mm * 20MM * 22mm
Installation: wall mounting holes