data logger with gsm module, gprs based data logger
System Feature
- Industrial NXP 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digita l filters for anti-noise
- Stable reconnection strategy for data transmit
- Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
- Automatically execute preset task by schedule(second, minute, day, week, month)
- 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
- 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 NO contact output(load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remember status when power lost
AI feature
- Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Can set parameters for value processing, alarm, data transmission
- Sensor disconnect alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Any device alarm status can be sent by sending sms
- All alarm and recover sms text can be edited
- Query any IO channel’s status or value via sms command
- Activate output by sending sms
- Configurable schedule for sms report IO channel's status or value
- Sending sms command to update setting
- Sms remind for sim card overdue
- Support power lost sms alarm and recover sms(works with inside battery)
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- 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)
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- Polling salve over RS485 with modbus rtu protocol
- As a RS485 I O module to be polled by modbus master
- Run Modbus RTU or TCP protocol over GPRS/3G
