Wireless modbus data logger, Gsm Industrial Data Acquisition

System Feature

• Adopted highly integrated industrial 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• Support signal fileter
• 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)
• Event-based linkage programming, e.g. alarm linkage output
• Provide configure software, visual programming, over 100 parameters can be set
• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep 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 output(NO, contact load: 2A / 125VAC,220VDC)
• Remote or local event activate DO on/off/pulse
• Remember status when power lost

AI feature

• Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
• Transduce 4-20mA(0-5V) to actual value
• Support offset and gain, alarm parameters, upload data setting
• Sensor disconnect alarm

SMS feature

• Support 10 cell phone numbers for alarm and control
• Sms alarm when any IO channel triggered or out of preset normal range
• All alarm and recover sms text can be edited
• Remote get device status or value by sending sms command
• Control output via sms command
• Can set interval to report IO channel's status or value by sms
• Sending sms command to update setting
• Can query SIM card balance, sms forward
• Support power lost sms alarm and recover sms(works with inside battery)

Wireless network communication

• Optianal onboard GPRS, 3g, 4g, Wi-Fi module
• Support TCP/IP two-way communication with Max.4 servers(IP or domain)
• Automatically Upload data when alarm or according to schedule
• Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
• 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