Remote I/O module DAM1 series
digitalTTLModbus RTU

remote I/O module
remote I/O module
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Signal type
Modbus RTU, RS485, TTL
Number of inputs/outputs
4 digital inputs, 4 relay outputs
DIN rail
Other characteristics


The DAM1xx is for monitoring 2/4 digital inputs(Dry Contact or Wet Contact, counter)and controlling 2/4 digital relay output. It supports Modbus RTU Protocol over RS485 serial port. Powered up by 9~36VDC. The DAM1xx is used widely in industrial automation control systems. E.g.: Base Transceiver Station, diesel generator rooms, engine room, transformer substations, telecommunication equipment rooms, power supply systems and so on. The DAM1xx is an industrial class, high reliability, low-power consumption, high stability and high precision data acquisition module. The DAM1xx with fire retardant shell, standard 35mm DIN rail makes it easy to install in fields. Mainly Features : Ø 2/4 digital inputs(Dry Contact or Wet Contact or Pulse counter); Ø 2/4 digital relay output(5A/30VDC,5A/250VAC), can be setup as TTL output or Pulse output(impulse width 0.1~20S); Ø Wide range power supply 9~36VDC with reverse polarity connection protection; Ø Modbus RTU Protocol over RS485; Ø ESD Protection circuit for RS485 serial port; Ø Using industrial-grade chips; Ø Built-in watchdog ensure it reliability; Ø Lightning protection ensure it stability; Ø LEDs for status indication makes it easy to program in filed.


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