Wireless modbus data logger, Gsm Industrial Data Acquisition
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Support signal fileter
- Network-reconnect and retransmission to ensure data accurately transmit
- Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
- Configurable action schedule(second, minute, day, week, month)
- Event-based linkage programming, e.g. alarm linkage output
- 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
- Accept NO or NC dry contact
DO(T) feature
- Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
- DO can be activated by remote or local schedule
- Remember status when power lost
- DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remember status when 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
- Sms alarm when any IO channel triggered or out of preset normal range
- All alarm and recover sms text can be edited
- Remote get device status or value by sending sms command
- Control output via sms command
- Can set interval to report IO channel's status or value by sms
- Sending sms command to update setting
- Can query SIM card balance, sms forward
- 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
Modbus feature
- polling salve over RS485 with modbus rtu protocol
- Can be a I O module to be read/write by modbus master
- Run Modbus RTU or TCP protocol over GPRS/3G
