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
