Basic parameters Size 460 mm * 300 mm * 150 mm Weight: about 7 kg Working voltage: ac220v10% 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
