sms relay switch controller, switch ON/OFF relay remotely
System Feature
- Cortex M3 32-bit ARM
- 24×7 working, soft and hardware Double watchdog
- Support signal fileter
- Stable reconnection strategy for data transmit
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Automatically execute preset task by schedule(second, minute, day, week, month)
- Event-based linkage programming, e.g. alarm linkage output
- Provide configure software, visual programming, over 100 parameters can be set
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Transistor output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remain down status when power lost
DO(K) feature
- Relay NO output(load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Remember 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
- Configurable parameters for signal acquisition, alarm, data communication
- Signal lost alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Sms alarm when any IO channel triggered or out of preset normal range
- Customizable sms messages, like alarm, receove, report
- 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)
- Automatically Upload data when alarm or according to schedule
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Support two-way data transparent transmission with RS485 or RS232
