gsm rtu remote controller, wireless telemetry rtu

System Feature

• Industrial NXP 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• With signal filtering mechanisms
• Stable reconnection strategy for data transmit
• Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
• Automatically execute preset task by schedule(second, minute, day, week, month)
• Can automatically execute tasks according to preset Events
• Provide configure software, visual programming, over 100 parameters can be set
• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost

DI feature

• Trigger dry contact(NO or NC)

DO(T) feature

• Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
• DO can be activated by remote or local schedule
• Status memory function for power lost

DO(K) feature

• Relay NO contact output(load: 2A / 125VAC,220VDC)
• DO can be activated by remote or local schedule
• Status memory function for power lost

AI feature

• Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
• Transduce 4-20mA(0-5V) to actual value
• Support offset and gain, alarm parameters, upload data setting
• Sensor disconnect alarm

SMS feature

• Support 10 cell phone numbers for alarm and control
• Send sms alarm when input is triggered or reach alarm level
• Customizable sms messages, like alarm, receove, report
• Query any IO channel’s status or value via sms command
• Control output via sms command
• Configurable schedule for sms report IO channel's status or value
• Remote update parameters by sms
• Sms remind for sim card overdue
• Support power lost sms alarm and recover sms(works with inside battery)

Wireless network communication

• Optianal onboard GPRS, 3g, 4g, Wi-Fi module
• Support TCP/IP two-way communication with Max.4 servers(IP or domain)
• Automatically Upload data when alarm or according to schedule
• Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
• Support two-way data transparent transmission with RS485 or RS232