gsm sms telemetry module, gsm sms rtu control
System Feature
- Cortex M3 32-bit ARM
- Reliable performance with built-in double watchdog, 24×7 operation
- Support signal fileter
- Network-reconnect and retransmission to ensure data accurately transmit
- Automatically or manually update interior clock by sms or NTP or server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Event-based linkage programming, e.g. alarm linkage output
- Easy used GUI configure software for setting up to 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
- Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
- on/off/pulse DO by remote control or local event
- Status memory function for power lost
DO(K) feature
- Relay NO output(load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remain down status when power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, 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
- Support 10 cell phone numbers for alarm and control
- Any device alarm status can be sent by sending sms
- All alarm and recover sms text can be edited
- Query any IO channel’s status or value via sms command
- Activate output by sending sms
- Can set interval to report IO channel's status or value by sms
- Remote setting via sms commands
- Can query SIM card balance, sms forward
- Support power lost sms alarm and recover sms(works with inside battery)
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- TCP/IP connect at most 4 servers(support Static IP address or domain)
- Automatically Upload data when alarm or according to schedule
- Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
- Can forward data between wireless network with RS485 or RS232
