rs485 to modbus tcp ip converter, modbus rtu ethernet converter

System Feature

• Cortex M3 32-bit ARM
• 24×7 working, soft and hardware Double watchdog
• With signal filtering mechanisms
• Stable reconnection strategy for data transmit
• Synchronize clock with multiple way, Sms, NTP, CwtIO Server
• Configurable action schedule(second, minute, day, week, month)
• Can automatically execute tasks according to preset Events
• Easy used GUI configure software for setting up to 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)
• on/off/pulse DO by remote control or local event
• Remember status when power lost

DO(K) feature

• Relay output(NO, contact load: 2A / 125VAC,220VDC)
• on/off/pulse DO by remote control or local event
• Remain down status when power lost

AI feature

• 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit precision)
• Transduce 4-20mA(0-5V) to actual value
• Configurable parameters for signal acquisition, alarm, data communication
• Signal lost alarm

SMS feature

• Support 10 cell phone numbers for alarm and control
• Send sms alarm when input is triggered or reach alarm level
• Editable alarm and recover sms with time stamp
• Can send sms command to request any channel status or value
• On/off/pulse output by sending sms
• Configurable schedule for sms report IO channel's status or value
• Sending sms command to update setting
• Forward simcard overdue sms to admin
• Power lost and recover alarm by sending sms

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
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• Support two-way data transparent transmission with RS485 or RS232

Modbus feature

• polling salve over RS485 with modbus rtu protocol
• As a RS485 I O module to be polled by modbus master
• Run Modbus RTU or TCP protocol over GPRS/3G