modbus rtu to modbus tcp gateway, modbus tcp client gateway
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- With signal filtering mechanisms
- Stable reconnection strategy for data transmit
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Can automatically execute tasks according to preset Events
- Provide console utility for visual programming over 100 parameters
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Trigger dry contact(NO or NC)
DO(T) feature
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- DO can be activated by remote or local schedule
- Remain down status when power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Remember status when power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Transduce 4-20mA(0-5V) to actual value
- Support offset and gain, alarm parameters, upload data setting
- Detect connect or disconnect to alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Send sms alarm when input is triggered or reach alarm level
- All alarm and recover sms text can be edited
- 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
- Sending sms command to update setting
- Sms remind for sim card overdue
- Sms alar for power lost and recover
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- TCP/IP connect at most 4 servers(support Static IP address or domain)
- Events(e.g. alarm, timer) trigger upload data
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Can forward data between wireless network 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
- Run Modbus RTU or TCP protocol over GPRS/3G
