wireless temperature and humidity data logger system
System Feature
- Cortex M3 32-bit ARM
- Double watchdog to ensure stability
- Support signal fileter
- Stable reconnection strategy for data 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
- Easy used GUI configure software for setting up to 100 parameters
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
DO(K) feature
- Relay NO output(load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Remain down status when power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Transduce 4-20mA(0-5V) to actual 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
- Remote get device status or value by sending sms command
- Control output via sms command
- Sms report any IO channel’s status or value on schedule
- Remote update parameters by sms
- Forward simcard overdue sms to admin
- Power lost and recover alarm by sending sms
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)
- Support post or respond mode for data communication
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- Can be modbus master read/write salve over RS485
- As a RS485 I O module to be polled by modbus master
- Run Modbus RTU or TCP protocol over GPRS/3G
TI feature
- Option temperature probe or temperature&humidity probe, support alarm, interlock, data communication
- Can switch ℃ or οF
- Alarm when probe connection lost
