rs485 to modbus tcp converter, modbus rtu tcp converter
System Feature
- Cortex M3 32-bit ARM
- Double watchdog to ensure stability
- Support signal fileter
- Network-reconnect and retransmission to ensure data accurately transmit
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Support Interlock programming, Event trigger
- Provide console utility for visual programming over 100 parameters
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Trigger dry contact(NO or NC)
DO(T) feature
- Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remain down status when 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
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Support offset and gain, alarm parameters, upload data setting
- Detect connect or disconnect to alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- 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
- Control output via sms command
- Sms report any IO channel’s status or value on schedule
- Remote update parameters by sms
- Sms remind for sim card overdue
- Support power lost sms alarm and recover sms(works with inside battery)
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- 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
- Support two-way data transparent transmission with RS485 or RS232
Modbus feature
- Can work as a modbus master to poll salve over RS485
- As a RS485 I O module to be polled by modbus master
- Support Modbus RTU to TCP convert over Ethernet or GPRS/3G
