... channels input max 2 relay alarms max 2 points for 4-20mA, or one point 24VDC auxiliary ... Excel or in curve format. the user can access the data in the screen as well as the ... 20M Ohm for other sgnal inputOutput signal:Relay: max 2 points, 250VAC , 3A, NO OR NCRetransmittion: 4-20mA , ... protocolPrinting: RS232 printUSBAlarm function: up to 4 points per channlsAlarm type:High , low , higher, lower limits ...