modbus 485 to ethernet converter, rs485 to modbus 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
• 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
• Provide configure software, visual programming, over 100 parameters can be set
• Optional exterior rechargable battery for 8-20 hours working when power lost

DI feature

• Monitor 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 NO contact output(load: 2A / 125VAC,220VDC)
• DO can be activated by remote or local schedule
• Remain down status when power lost

AI feature

• 4-20mA (option: 0-5V) in, 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

• Preset 10 phone numbers (support distribute authority to receive sms)
• Send sms alarm when input is triggered or reach alarm level
• Editable alarm and recover sms with time stamp
• Query any IO channel’s status or value via 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
• Forward simcard overdue sms to admin
• Power lost and recover alarm by sending sms

Wireless network communication

• With 2g, 3g, 4g, Wi-Fi version
• TCP/IP connect at most 4 servers(support Static IP address or domain)
• Automatically Upload data when alarm or according to schedule
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• 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