wireless gsm module, sms alarm module for remote control
System Feature
- Industrial NXP 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digital filters for anti-noise
- Network-reconnect and retransmission to ensure data accurately transmit
- Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
- Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
- Can automatically execute tasks according to preset Events
- Provide console utility for visual programming over 100 parameters
- Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost
DI feature
- Monitor 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)
- Remote or local event activate DO on/off/pulse
- Status memory function for 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
- Can set parameters for value processing, alarm, data transmission
- Detect connect or disconnect to alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Any device alarm status can be sent by sending sms
- Editable alarm and recover sms with time stamp
- 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 setting via sms commands
- Sms remind for sim card overdue
- Power lost and recover alarm by sending sms
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
- Can forward data between wireless network with RS485 or RS232
