gsm rtu remote controller, sms relay switch controller
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- 24×7 working, soft and hardware Double watchdog
- With signal filtering mechanisms
- Support automatic network reconnection and data re-send
- Automatically or manually update interior clock by sms or NTP
or server
- Automatically execute preset task by schedule(second, minute,
day, week, month)
- Can automatically execute tasks according to preset Events
- Provide console utility for visual programming over 100
parameters
- 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)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Remain down 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
- Configurable parameters for signal acquisition, alarm, data
communication
- Sensor disconnect alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Send sms alarm when input is triggered or reach alarm level
- Editable alarm and recover sms with time stamp
- Can send sms command to request any channel status or value
- Activate output by sending sms
- Can set interval to report IO channel's status or value by
sms
- Remote setting via sms commands
- Can query SIM card balance, sms forward
- 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
