gsm remote terminal unit, gsm rtu controller
System Feature
- Industrial NXP 32-bit ARM MCU
- Double watchdog to ensure stability
- With signal filtering mechanisms
- 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)
- Event-based linkage programming, e.g. alarm linkage output
- 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)
- on/off/pulse DO by remote control or local event
- Status memory function for power lost
DO(K) feature
- Relay output(NO, contact 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)
- Convert signal to actual measure value,support adjustment
- Support offset and gain, alarm parameters, upload data
setting
- Detect connect or disconnect to alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Send sms alarm when input is triggered or reach alarm level
- All alarm and recover sms text can be edited
- Remote get device status or value by sending sms command
- Control output via sms command
- Configurable schedule for sms report IO channel's status or
value
- Remote update parameters by sms
- Forward simcard overdue sms to admin
- Sms alar for power lost and recover
Wireless network communication
- Option network: cellular(2g/3g/4g) or Wi-Fi
- Communicate with up to 4 servers(IP or domain) by TCP/IP
- Support post or respond mode for data communication
- Communicate with server by optional Cwt_IO, Modbus TCP, http
post protocol
- Support two-way data transparent transmission with RS485 or
RS232
