wifi data logger, wifi data acquisition data logger
System Feature
- Cortex M3 32-bit ARM
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digital filters for anti-noise
- Support automatic network reconnection and data re-send
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Automatically execute preset task by schedule(second, minute, day, week, month)
- Support Interlock programming, Event trigger
- Provide configure software, visual programming, over 100 parameters can be set
- 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)
- DO can be activated by remote or local schedule
- 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
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Convert signal to actual measure value,support adjustment
- Support offset and gain, alarm parameters, upload data setting
- Detect connect or disconnect to alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- Any device alarm status can be sent by sending sms
- Editable alarm and recover sms with time stamp
- 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
- Remote update parameters by sms
- Forward simcard overdue sms to admin
- Power lost and recover alarm by sending sms
Wireless network communication
- Optianal onboard GPRS, 3g, 4g, Wi-Fi module
- Support TCP/IP two-way communication with Max.4 servers(IP or domain)
- 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
- Polling salve over RS485 with modbus rtu protocol
- Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
- Support Modbus RTU to TCP convert over Ethernet or GPRS/3G
