Basic parameters
Size： 460 mm 300 mm 150 mm
Weight: about 7 kg
Working voltage: AC220V ±10% 50 Hz
Output voltage: DC24V
Channel number: simulation 16 or 32 road, number 255
Signal input: 485 digital signal, analog (4-20 mA current) signal input
Communication interface:
(optional) 1 road RS232 and RS485 digital bus interface,
Standard ModBus RTU protocol or non-standard,
can connect the computer monitor
Alarm way : first alarm more than 90 dB alarm way;
second alarm more than 120 dB
Control output: bus, line 1 public relay
(optional) 32 relay control box or 8 road relay board
The sampling precision: 15 bit AD
Measurement range: 0-9999 (can be set )
Temperature range: - 10 ℃ ~ 50 ℃
Humidity: 15% ~ 70% RH (No condensation)
Execution standard:
the combustible gas alarm controller GB16808-1997 technical requirements and test methods
