The GDB4 disk mounted gas alarm controller is used in the industrial field. The instrument adopts high precision single chip microcomputer as the core of processing, it can receive and send various kinds of digital or analog signals, and can directly upload PLC, DCS and other systems. Color LCD screen display, Chinese operation menu, wall mounted installation is convenient. The mainframe can be installed and installed, and the network capacity is convenient.
◆ Support Two line or three line (4~20) mA current signal input
◆ Support (4~20) mA current signal output
◆ Support RS485 data transmission
◆ We have the detector disconnection fault prompt functions
◆ Two alarm point overrun alarm function.
◆ Two alarm alarm passive switch output interface
◆ We have broken the passive detector switch output interface
◆ You can freely set high and low alarm
◆ The sound and light alarm, wall mounted
◆ Detection range: adjustable
◆ Detection unit: ppm,%LEL, VOL
◆ Display mode: color liquid crystal display
◆ Working voltage: host AC220V / DC24V/36V dashboard
◆ Input signal: Second - or three line (4~20mA)
◆ Second line or four line RS485
◆ The output signal: current signal (4~20mA) or RS485
◆ The meter size: length: 16CM width: 8CM height: 9.5CM
◆ The switch capacity: 3A
◆ The working temperature of -70 DEG C: -20
◆ The network capacity: two or four road (stacking)
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