GSM GPRS water level, water flow data loger with website monitoring
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- With signal filtering mechanisms
- 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)
- Can automatically execute tasks according to preset Events
- Easy used GUI configure software for setting up to 100
parameters
- Optional exterior rechargable battery for 8-20 hours working
when power los
DI feature
- Trigger dry contact(NO or NC)
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 output(NO, contact load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit
precision)
- Convert 4-20mA(0-5V) to physical value
- Configurable parameters for signal acquisition, alarm, data
communication
- Detect connect or disconnect to alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Send sms alarm when input is triggered or reach alarm level
- All alarm and recover sms text can be edited
- Remote get device status or value by sending sms command
- Activate output by sending sms
- Sms report any IO channel’s status or value on schedule
- Sending sms command to update setting
- Sms remind for sim card overdue
- 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 '
- Events(e.g. alarm, timer) trigger upload data
- Communication protocol: Modbus TCP,http post, Cwt_IO(two-way
communication)
- 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
TI feature
- Configurable parameters for alarm (high or lower), record,
data communication, adjustment
- Can switch Fahrenheit or centigrade
- Support probe disconnect alarm
