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