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