ethernet modbus rtu gateway, plc modbus rtu gateway
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
- Stable reconnection strategy for data transmit
- Automatically or manually update interior clock by sms or NTP or server
- Configurable action 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 inside lithium battery for power lost alarm and keep 8-20 hours working
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- DO can be activated by remote or local schedule
- Status memory function for power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
AI feature
- Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Support offset and gain, alarm parameters, upload data setting
- 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
- All alarm and recover sms text can be edited
- Query any IO channel’s status or value via 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
- Support power lost sms alarm and recover sms(works with inside battery)
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
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- Can work as a modbus master to poll salve over RS485
- Can be a I O module to be read/write by modbus master
- Run Modbus RTU or TCP protocol over GPRS/3G
