PRUDUCT
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LOCATION:Gas alarm controller
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Gas alarm controller
AS-2000A Combustible gas alarm controller
Product features
★ Full Chinese color LCD and graphic display main information,support for touch screen operation;
★ Probe bus and power bus with short circuit protection;
★ Up to 128 detector real-time concentrations and related date can be uploaded in 1 second,concentrations data can be transmitted in both analog and digital;
★ The shortest time in China、fastest、most content;
★ Supports bus type/loop/tree wirings;
★ Black box function,store 8000 data;
★ The detector’s alarm threshold can be set by the controller;
★ Embedded technology and real-time preemptive multitasking embedded operating system;
★ Low power consumption,fast processing speed,fast system response and stable operation;
★ Alarm device and linkage device address mixing;with RS485 interface;
★ Strong field programming capability,support U disk for data update.
Technical Parameters
♦ Installation method:Wall-mounted
♦ Display mode:Full Chinese color LCD and graphic display
♦ Measurement accuracy:≦±1%F.S
♦ Alarm mode:Sound and light alarm
♦ Control quantity:8、16、32、64、90
♦ Output Voltage:DC 26V±10%
♦ Detecting the output voltage:21VDC-28VDC(Pulse)
♦ Wiring method:Four-wire system
♦ Alarm settings:Low limit alarm:25% of the total range(Defaults)
High limit alarm:50% of the total range(Defaults)
♦ Record alarm information:Can store 8000 pieces of information,the oldest record automatically cleared after 8000
♦ Communication interface:RS-485/RS-232
♦ Operating voltage:Automatic switching of mains and backup power
Main power:AC 187V~242V
Backup power:9AH/12V、2knots
♦ Output control:2 sets of common relay outputs Capacity:1A/125VAC、3A/30VDC
♦ Ambient temperature: (0~+40)℃
♦ Humidity range:(10~95) %RH
♦ Pressure range:(86~106) kPa
♦ Weight:6.5kg/10.5kg(with backup battery)
♦ Package size:490mm×390mm×200mm
Dimensions and installation size
System composition
Terminal block description