*CE,ROSH approval *Modbus RTU/ASCII/TCP protocol *GPRS, SMS and CLIP support *Autonomous ... (10A) and Transistor output optionalØ Configurable output pulse width*Standard Modbus RTU/ASCII/TCP communicationprotocol supported*Data logging ( SD card socket ... :optionalInterface:1 B-type USB ,1 RS232 & 1 RS485Communication protocol:Modbus RTU&ASCIIExpansion:yesRTC:yesLCD display with keypad:Optional(4*16 ...