modbus tcp to modbus rtu gateway, modbus tcp relay gateway
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Double watchdog to ensure stability
- Support signal fileter
- Network-reconnect and retransmission to ensure data
accurately transmit
- Update RTC automatically or manually, clock source support
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 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
- 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 contact output(load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remain down 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
- Support offset and gain, alarm parameters, upload data
setting
- Signal lost alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote 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
- Can set interval to report IO channel's status or value by
sms
- Remote update parameters by sms
- Can query SIM card balance, sms forward
- 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
- Communicate with server by optional Cwt_IO, Modbus TCP, http
post protocol
- Support two-way data transparent transmission with RS485 or
RS232
Modbus feature
- Can work as a modbus master to poll salve over RS485
- Can be a I O module to be read/write by modbus master
- Support Modbus RTU to TCP convert over Ethernet or GPRS/3G
