Program memory:128Kb FLASH program memory
Data memory:EEPROM 4Kb data memory
SRAM 4Kb
Programming:freely available C programming libraries for Atmel Studio 7.
Protocols:support Modbus RTU and DCON protocols
RS-485:2 RS-485 interfaces
Discrete Outputs:8 unipolar discrete inputs
4 discrete outputs of "Open drain" type
Galvanic isolation:galvanic isolation of discrete I/O and RS-485 port (Data2)
Protections: protection against overvoltage and current overload on input-outputs, RS-485 interface, overheating, static electricity, etc.
Temperature control:PLC board temperature sensor
Real-time clock:real-time clock, self-powered.
Temperature: wide operating temperature range (-40 to +70 °C)
Voltage:wide range of supply voltages (+10 to +32V)
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