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
