The connection between LED lattice screen and gas detection alarm control cabinet of Xi’an HuaFan



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Xi'an Huafan Science and Technology Limited Company was founded in 2003.It is a new and high technology enterprises , devote to design, research, manufacture, sale and after-sale,... (Read More)

Product Description

Product Description:
The LED lattice screen can connect the gas alarm control cabinet of our company, the screen can real-time cycle displays the current channel gas values and other alarm information of the control cabinet. The screen display visible, convenient for users to view, easy to install, simple wiring and has high reliability.
The system is mainly used in the situations where flammable, oxygen and various kinds of toxic gases need to be detected. the concentration of the detected gas is displayed in real time with LED dot matrix screen.
LED screen can be made monochrome or two-color display, size and display content can be customized according to user requirements, the connection diagram as follows:
Basic parameters:
Size:380 mm 210 mm 83 mm
Weight: 2.5 kg
Working voltage: AC220V 50 hz
Output voltage: DC24V over-current protection function
The number of channels: 1 or 2 road
Display mode: direct display
Signal input: 4-20 ma
The control output: AC 250 v, 30 v DC 10 a 10 a relay switch output
Connection mode: two wire, three wire system 4-20 mA current signal of the transmitter Or four wire bus transmitter
Response time: 8 seconds
Output control: 1-2 road alarm control relay output
Temperature range: - 10 ℃ to 50 ℃
Humidity:15% ~ 70% RH No condensation
Installation method: wall-mounted installation


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