wifi sensor data logger, pc based data acquisition system
System Feature
- Industrial NXP 32-bit ARM MCU
- Double watchdog to ensure stability
- Dual digital filters for anti-noise
- Stable reconnection strategy for data transmit
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Configurable action schedule(second, minute, day, week, month)
- Support Interlock programming, Event trigger
- Easy used GUI configure software for setting up to 100 parameters
- Optional inside lithium battery for power lost alarm and keep 8-20 hours working
DI feature
- Trigger dry contact(NO or NC)
DO(T) feature
- Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Can set parameters for value processing, alarm, data transmission
- Signal lost alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- Sms alarm when any IO channel triggered or out of preset normal range
- All alarm and recover sms text can be edited
- Query any IO channel’s status or value via sms command
- On/off/pulse output by sending sms
- Configurable schedule for sms report IO channel's status or value
- 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
- Option network: cellular(2g/3g/4g) or Wi-Fi
- 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)
- Transfer RS485 or RS232 Data to wireless network
Modbus feature
- Polling salve over RS485 with modbus rtu protocol
- Can be a I O module to be read/write by modbus master
- As modbus to gprs/3g gateway
