data logger gsm modem, GPRS based data logger

System Feature

• Industrial NXP 32-bit ARM MCU
• Double watchdog to ensure stability
• Support signal fileter
• Stable reconnection strategy for data transmit
• Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
• Configurable action schedule(second, minute, day, week, month)
• Can automatically execute tasks according to preset Events
• Provide configure software, visual programming, over 100 parameters can be set
• Optional inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Accept NO or NC dry contact

DO(T) feature

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Status memory function for 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

• 4-20mA (option: 0-5V) 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

• Can add 10 administrator numbers for alarm and remote control
• Sms alarm when any IO channel triggered or out of preset normal range
• Customizable sms messages, like alarm, receove, report
• Query any IO channel’s status or value via sms command
• Activate output by sending sms
• Sms report any IO channel’s status or value on schedule
• Sending sms command to update setting
• Can query SIM card balance, sms forward
• Sms alar for power lost and recover

Wireless network communication

• Option network: cellular(2g/3g/4g) or Wi-Fi
• Communicate with up to 4 servers(IP or domain) by TCP/IP
• Events(e.g. alarm, timer) trigger upload data
• Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
• Transfer RS485 or RS232 Data to wireless network

Modbus feature

• Can be modbus master read/write salve over RS485
• Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
• As modbus to gprs/3g gateway