Ethernet modbus tcp ip gateway, modbus rtu gateway

System Feature

• Cortex M3 32-bit ARM
• 24×7 working, soft and hardware Double watchdog
• Dual digital filters for anti-noise
• Stable reconnection strategy for data transmit
• Update RTC automatically or manually, clock source support Sms, NTP, CwtIO 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

• Accept NO or NC dry contact

DO(T) feature

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Status memory function for 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 4-20mA(0-5V) to physical value
• Configurable parameters for signal acquisition, alarm, data communication
• Detect connect or disconnect to 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
• Remote get device status or value by sending sms command
• Control output via sms command
• Configurable schedule for sms report IO channel's status or value
• Sending sms command to update setting
• Sms remind for sim card overdue
• Support power lost sms alarm and recover sms(works with inside battery)

Wireless network communication

• Optianal onboard GPRS, 3g, 4g, Wi-Fi module
• Support TCP/IP two-way communication with Max.4 servers(IP or domain)
• Events(e.g. alarm, timer) trigger upload data
• Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
• Support two-way data transparent transmission with RS485 or RS232

Modbus feature

• polling salve over RS485 with modbus rtu protocol
• Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
• As modbus to gprs/3g gateway