Unifier 500 – Mutliport

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Unifier series enables monitoring and control of devices that support Modbus protocol like PLC/HMI, Energy meter, Chiller, AHU, VFD from a remote server via cellular or LAN. Its simple yet reliable design helps the customer to complete projects easily in a short duration of time.


  • Web-based portal for configuration
  • Read/write device data from the web portal
  • Auto polling of field devices
  • Auto data recovery in case of network failure
  • Bi-directional data from the remote server
  • SSL/TLS security for communication
  • Disaster recovery of historical data
  • Built-in Ethernet and 3G/4G modem
  • JSON message format
  • Remote configuration
  • Remote software upgradation
  • No coding skills required to use



Processor ARM 32 bit
Ethernet100 Mbps (10/100 Base-T)
Serial interfaceRS485 (2), RS232 (2)
Cellular connectivityHSDPA (3G), LTE (4G)
Server-side protocolMQTT, FTP, HTTP
Device side protocolModbus RTU, Modbus TCP/IP, Telnet
Power supply110 – 230V AC 50-60 Hz
Status LEDsEthernet status, Power, Cellular link/activity
Operating Temperature0º C to 60º C

Product documentation