data logger with gsm module, wireless data logger system
System Feature
- Industrial NXP 32-bit ARM MCU
- Double watchdog to ensure stability
- With signal filtering mechanisms
- Stable reconnection strategy for data transmit
- Update RTC automatically or manually, clock source support
Sms, NTP, CwtIO Server
- Can set multiple timers(second, minute, day, week, month) to
execute actions, e.g. output, upload data, change setting
- Can automatically execute tasks according to preset Events
- Provide console utility for visual programming over 100
parameters
- Optional inside lithium battery for power lost alarm and keep
8-20 hours working
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Open-collector output(drive voltage=power supply voltage,
Drive current≤500mA)
- on/off/pulse DO by remote control or local event
- Remember status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Status memory function for power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency:
33Hz, 10-bit precision)
- Convert signal to actual measure value,support adjustment
- Configurable parameters for signal acquisition, alarm, data
communication
- Detect connect or disconnect to 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
- Editable alarm and recover sms with time stamp
- Can send sms command to request any channel status or value
- On/off/pulse output by sending sms
- Sms report any IO channel’s status or value on schedule
- Remote setting via sms commands
- Can query SIM card balance, sms forward
- Power lost and recover alarm by sending sms
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
- Communication protocol: Modbus TCP,http post, Cwt_IO(two-way
communication)
- Support two-way data transparent transmission with RS485 or
RS232
Modbus feature
- Can be modbus master read/write salve over RS485
- Can work as a modbus slave to be read/write by master(HMI,
SCADA etc.)
- 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
- Support probe disconnect alarm
