GSM GPRS RTU data logger, RTU data acquisition equipment
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digital filters for anti-noise
- 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)
- Can automatically execute tasks according to preset Events
- 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)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remain down status when power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Configurable parameters for signal acquisition, alarm, data communication
- Sensor disconnect 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
- Can send sms command to request any channel status or value
- Activate output by sending sms
- Sms report any IO channel’s status or value on schedule
- Remote update parameters by sms
- 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
- Communicate with up to 4 servers(IP or domain) by TCP/IP
- 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
- As a RS485 I O module to be polled by modbus master
- Support Modbus RTU to TCP convert over Ethernet or GPRS/3G
