gsm rtu remote terminal unit, remote gsm controller

System Feature

• Industrial NXP 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• Support signal fileter
• Stable reconnection strategy for data transmit
• Synchronize clock with multiple way, Sms, NTP, CwtIO Server
• Automatically execute preset task by schedule(second, minute, day, week, month)
• Event-based linkage programming, e.g. alarm linkage output
• Provide console utility for visual programming over 100 parameters
• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost

DI feature

• Monitor dry contact(NO or NC)

DO(T) feature

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Remain down status when power lost

DO(K) feature

• Relay output(NO, contact load: 2A / 125VAC,220VDC)
• DO can be activated by remote or local schedule
• Remain down status when power lost

AI feature

• Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
• Convert 4-20mA(0-5V) to physical value
• Can set parameters for value processing, alarm, data transmission
• Detect connect or disconnect to alarm

SMS feature

• Can add 10 administrator numbers for alarm and remote control
• Send sms alarm when input is triggered or reach alarm level
• All alarm and recover sms text can be edited
• Remote get device status or value by sending sms command
• On/off/pulse output by sending sms
• Configurable schedule for sms report IO channel's status or value
• Sending sms command to update setting
• Can query SIM card balance, sms forward
• Sms alar for power lost and recover

Wireless network communication

• Option network: cellular(2g/3g/4g) or Wi-Fi
• Communicate with up to 4 servers(IP or domain) by TCP/IP
• Support post or respond mode for data communication
• Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
• Transfer RS485 or RS232 Data to wireless network