modbus tcp switch gateway, modbus rtu gateway
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- Support signal fileter
- Support automatic network reconnection and data re-send
- 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
- 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
- Monitor dry contact(NO or NC)
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 output(NO, contact load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Configurable parameters for signal acquisition, alarm, data communication
- Sensor disconnect alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Sms alarm when any IO channel triggered or out of preset normal range
- Editable alarm and recover sms with time stamp
- Query any IO channel’s status or value via sms command
- Activate output by sending sms
- Can set interval to report IO channel's status or value by sms
- Remote update parameters by sms
- 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
- TCP/IP connect at most 4 servers(support Static IP address or domain)
- Automatically Upload data when alarm or according to schedule
- 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
- Can be a I O module to be read/write by modbus master
- As modbus to gprs/3g gateway
