plc remote io gateway, gateway modbus rtu modbus tcp
System Feature
- Cortex M3 32-bit ARM
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digital filters for anti-noise
- Support automatic network reconnection and data re-send
- Automatically or manually update interior clock by sms or NTP or server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Event-based linkage programming, e.g. alarm linkage output
- 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
- Trigger 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 NO contact output(load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Status memory function for power lost
AI feature
- Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
- Transduce 4-20mA(0-5V) to actual value
- Configurable parameters for signal acquisition, alarm, data communication
- Detect connect or disconnect to alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- Any device alarm status can be sent by sending sms
- All alarm and recover sms text can be edited
- Remote get device status or value by sending sms command
- Activate output by sending sms
- Sms report any IO channel’s status or value on schedule
- Remote update parameters by sms
- Forward simcard overdue sms to admin
- Support power lost sms alarm and recover sms(works with inside battery)
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
- Can be modbus master read/write salve over RS485
- As a RS485 I O module to be polled by modbus master
- As modbus to gprs/3g gateway
