modbus rtu tcp gateway, modbus tcp modbus rtu gateway

System Feature

• Industrial NXP 32-bit ARM MCU
• 24×7 working, soft and hardware Double watchdog
• Support signal fileter
• Stable reconnection strategy for data transmit
• Automatically or manually update interior clock by sms or NTP or server
• Automatically execute preset task by 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
• Remain down status when power lost

DO(K) feature

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

AI feature

• Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
• Transduce 4-20mA(0-5V) to actual value
• Support offset and gain, alarm parameters, upload data setting
• 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
• Sms report any IO channel’s status or value on schedule
• Sending sms command to update setting
• Can query SIM card balance, sms forward
• Power lost and recover alarm by sending sms

Wireless network communication

• With 2g, 3g, 4g, Wi-Fi version
• Support TCP/IP two-way communication with Max.4 servers(IP or domain)
• Events(e.g. alarm, timer) trigger upload data
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• Transfer RS485 or RS232 Data to wireless network

Modbus feature

• Can be modbus master read/write 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