machine to machine internet gateway, m2m gateway device
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
- 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
- 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)
- on/off/pulse DO by remote control or local event
- Remember status when power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remain down status when power lost
AI feature
- 4-20mA (option: 0-5V) in, Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Can set parameters for value processing, alarm, data transmission
- Signal lost alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Sms alarm when any IO channel triggered or out of preset normal range
- All alarm and recover sms text can be edited
- Query any IO channel’s status or value via sms command
- On/off/pulse output by sending sms
- Sms report any IO channel’s status or value on schedule
- Remote update parameters by sms
- Sms remind for sim card overdue
- Power lost and recover alarm by sending sms
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
- Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
- Transfer RS485 or RS232 Data to wireless network
Modbus feature
- Can work as a modbus master to poll salve over RS485
- As a RS485 I O module to be polled by modbus master
- As modbus to gprs/3g gateway
