modbus rtu to tcp converter, modbus rtu to tcp ip converter
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Double watchdog to ensure stability
- Support signal fileter
- Stable reconnection strategy for data transmit
- Automatically or manually update interior clock by sms or NTP or server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Can automatically execute tasks according to preset Events
- Easy used GUI configure software for setting up to 100 parameters
- 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)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
DO(K) feature
- Relay NO output(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 signal to actual measure value,support adjustment
- 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
- Remote get device status or value by sending sms command
- On/off/pulse 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
- Power lost and recover alarm by sending sms
Wireless network communication
- Option network: cellular(2g/3g/4g) or Wi-Fi
- Support TCP/IP two-way communication with Max.4 servers(IP or domain)
- Support post or respond mode for data communication
- Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
- Transfer RS485 or RS232 Data to wireless network
Modbus feature
- Can work as a modbus master to poll salve over RS485
- Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
- Support Modbus RTU to TCP convert over Ethernet or GPRS/3G
