gsm sms controller, sms remote rtu remote controller

System Feature

• Adopted highly integrated industrial 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• With signal filtering mechanisms
• Stable reconnection strategy for data transmit
• 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
• Easy used GUI configure software for setting up to 100 parameters
• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost

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
• Remember status when power lost

DO(K) feature

• Relay NO output(load: 2A / 125VAC,220VDC)
• Remote or local event activate DO on/off/pulse
• 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
• Configurable parameters for signal acquisition, alarm, data communication
• Sensor disconnect 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
• Can send sms command to request any channel status or value
• Activate output by sending sms
• Sms report any IO channel’s status or value on schedule
• Sending sms command to update setting
• Can query SIM card balance, sms forward
• Sms alar for power lost and recover

Wireless network communication

• Option network: cellular(2g/3g/4g) or Wi-Fi
• Support TCP/IP two-way communication with Max.4 servers(IP or domain)
• Support post or respond mode for data communication
• Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
• Support two-way data transparent transmission with RS485 or RS232