modbus over wifi gateway, rs485 modbus rtu gateway
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Support signal fileter
- Network-reconnect and retransmission to ensure data accurately 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
- Support Interlock programming, Event trigger
- Provide console utility for visual programming over 100 parameters
- Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep 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)
- on/off/pulse DO by remote control or local event
- Remember status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remember 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
- Can set parameters for value processing, alarm, data transmission
- Signal lost 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
- Can send sms command to request any channel status or value
- On/off/pulse output by sending sms
- Sms report any IO channel’s status or value on schedule
- Remote setting via sms commands
- Can query SIM card balance, sms forward
- Sms alar for power lost and recover
Wireless network communication
- Option network: cellular(2g/3g/4g) or Wi-Fi
- 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 be modbus master read/write salve over RS485
- Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
- Run Modbus RTU or TCP protocol over GPRS/3G
