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