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
