web based remote data acquisition system, RTU data logger
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- Support signal fileter
- Support automatic network reconnection and data re-send
- Automatically or manually update interior clock by sms or NTP or server
- Automatically execute preset task by schedule(second, minute, day, week, month)
- Event-based linkage programming, e.g. alarm linkage output
- Provide console utility for visual programming over 100 parameters
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Monitor dry contact(NO or NC)
DO(T) feature
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
DO(K) feature
- Relay NO output(load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remain down 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
- Can set parameters for value processing, alarm, data transmission
- Detect connect or disconnect to alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Send sms alarm when input is triggered or reach alarm level
- Customizable sms messages, like alarm, receove, report
- 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
- Sending sms command to update setting
- Sms remind for sim card overdue
- Power lost and recover alarm by sending sms
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- TCP/IP connect at most 4 servers(support Static IP address or domain) '
- Support post or respond mode for data communication
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- polling salve over RS485 with modbus rtu protocol
- Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
- Run Modbus RTU or TCP protocol over GPRS/3G
TI feature
- Option temperature probe or temperature&humidity probe, support alarm, interlock, data c ommunication
- Can switch ℃ or οF
- Alarm when probe connection lost
