modbus rtu to modbus tcp gateway, modbus tcp client gateway
System Feature
- Industrial NXP 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- Support signal fileter
- Support automatic network reconnection and data re-send
- Synchronize clock with multiple way, 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 lithium battery for power lost alarm and keep 8-20 hours working
DI feature
- Monitor dry contact(NO or NC)
DO(T) feature
- Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Remain down status when power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit precision)
- Transduce 4-20mA(0-5V) to actual value
- Can set parameters for value processing, alarm, data transmission
- Signal lost alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- Sms alarm when any IO channel triggered or out of preset normal range
- Customizable sms messages, like alarm, receove, report
- Remote get device status or value by sending sms command
- On/off/pulse output by sending sms
- Configurable schedule for sms report IO channel's status or value
- Remote update parameters by sms
- Sms remind for sim card overdue
- Power lost and recover alarm by sending sms
Wireless network communication
- Option network: cellular(2g/3g/4g) or Wi-Fi
- TCP/IP connect at most 4 servers(support Static IP address or domain)
- Support post or respond mode for data communication
- Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
- Transfer RS485 or RS232 Data to wireless network
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
