GPRS WiFi web based water level, fuel level data logger
System Feature
- Industrial NXP 32-bit ARM MCU
- Double watchdog to ensure stability
- Support signal fileter
- Support automatic network reconnection and data re-send
- Synchronize clock with multiple way, 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 exterior rechargable battery for 8-20 hours working
when power lost
DI feature
- Monitor dry contact(NO or NC)
DO(T) feature
- Open-collector output(drive voltage=power supply voltage,
Drive current≤500mA)
- DO can be activated by remote or local schedule
- Remain down status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remain down status when power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit
precision)
- Convert signal to actual measure value,support adjustment
- Support offset and gain, alarm parameters, upload data
setting
- 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
- Editable alarm and recover sms with time stamp
- Query any IO channel’s status or value via sms command
- 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
- Sms alar for power lost and recover
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- Communicate with up to 4 servers(IP or domain) by TCP/IP
- Automatically Upload data when alarm or according to schedule
- Communicate with server by optional Cwt_IO, Modbus TCP, http
post protocol
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- Can be modbus master read/write salve over RS485
- Can be a I O module to be read/write by modbus master
- As modbus to gprs/3g gateway
TI feature
- Configurable parameters for alarm (high or lower), record,
data communication, adjustment
- Can switch Fahrenheit or centigrade
- Detect probe connect or disconnect to alarm
