modbus rtu to modbus tcp gateway, modbus tcp client gateway

System Feature

• Industrial NXP 32-bit ARM MCU
• 24×7 working, soft and hardware Double watchdog
• Support signal fileter
• Support automatic network reconnection and data re-send
• Synchronize clock with multiple way, Sms, NTP, CwtIO Server
• Configurable action schedule(second, minute, day, week, month)
• Support Interlock programming, Event trigger
• Provide configure software, visual programming, over 100 parameters can be set
• Optional inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Monitor dry contact(NO or NC)

DO(T) feature

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• Remote or local event activate DO on/off/pulse
• 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
• 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
• Can set parameters for value processing, alarm, data transmission
• Signal lost alarm

SMS feature

• Preset 10 phone numbers (support distribute authority to receive sms)
• Sms alarm when any IO channel triggered or out of preset normal range
• Customizable sms messages, like alarm, receove, report
• Remote get device status or value by sending sms command
• On/off/pulse output by sending sms
• Configurable schedule for sms report IO channel's status or value
• Remote update parameters by sms
• Sms remind for sim card overdue
• Power lost and recover alarm by sending sms

Wireless network communication

• Option network: cellular(2g/3g/4g) or Wi-Fi
• TCP/IP connect at most 4 servers(support Static IP address or domain)
• Support post or respond mode for data communication
• Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
• Transfer RS485 or RS232 Data to wireless network

Modbus feature

• polling salve over RS485 with modbus rtu protocol
• Can be a I O module to be read/write by modbus master
• As modbus to gprs/3g gateway