GSM GPRS data acquisition applications, realtime data acquisition

System Feature

• Cortex M3 32-bit ARM
• Double watchdog to ensure stability
• Dual digital filters for anti-noise
• Network-reconnect and retransmission to ensure data accurately transmit
• 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 console utility for visual programming over 100 parameters
• Optional inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Trigger 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
• Remember status when power lost

DO(K) feature

• Relay NO contact output(load: 2A / 125VAC,220VDC)
• DO can be activated by remote or local schedule
• Status memory function for 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
• Sensor disconnect alarm

SMS feature

• Preset 10 phone numbers (support distribute authority to receive sms)
• Any device alarm status can be sent by sending sms
• Customizable sms messages, like alarm, receove, report
• Query any IO channel’s status or value via sms command
• Control output via sms command
• 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

• Option network: cellular(2g/3g/4g) or Wi-Fi
• 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