Remote Update 4 - 20ma Wireless Data Logger With Disconnect Alarm Sensor

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
• 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 inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Monitor dry contact(NO or NC)

DO(T) feature

• Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Remain down status when power lost

DO(K) feature

• Relay NO output(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
• Configurable parameters for signal acquisition, alarm, data communication
• 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
• Editable alarm and recover sms with time stamp
• Remote get device status or value by sending sms command
• Activate output by sending sms
• Can set interval to report IO channel's status or value by sms
• 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
• Communicate with up to 4 servers(IP or domain) by TCP/IP
• Automatically Upload data when alarm or according to schedule
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• 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.)
• Run Modbus RTU or TCP protocol over GPRS/3G