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