CCMS gateway with Modbus,
timer and I/O

  • 3 independent relay outputs
  • Isolated RS485 and digital inputs with SMS alerts
  • Internal website for configuration

The AG-831 is a Gateway dedicated to work with central controlling and monitoring systems. It support two-way communication with server through LTE/GSM or Ethernet. It has inbuilt timer with 10 ON/OFF schedule within 24h, auto configurable sunrise/sunset timer based on geolocation and has 3 independent relays. Every output can be controlled by separate time schedule. Gateway has isolated Modbus RTU interface to communicate with energy meters, PLCs and other Modbus devices. Can be configured by: internal website, SMS, string from server and configuration file loaded in predefine URL. For accurate time and location it has GPS and RTC. This is updated version of AG-811.


AG-831 internal website

Intuitive internal website

It has a very intuitive web interface where you can set all the parameters: modbus, mobile network, timers, solar timer, user etc.

Mobile Alerts

The AG-831 has advance alert option with 10 mobile number list for SMS alerts. In superCap models there is power backup with power loss alert facility.

AG-831 internal website alerts


Gateway is for use in street light control panels and other application where it is needed to control accurate on/off time with support of Modbus devices. It can be controlled remotely from server or via SMS or also work in stand alone mode.

CPUARM Cortex-M4
CellularLTE, GPRS
Antenna Connectors1 x SMA for cellular, 1 x SMA for GNSS
Ethernet1 x 10/100 Ethernet port
Serial1 x opto-isolated RS485
Input/output2 x isolated digital Inputs, 3 x relay outputs contolled by server, timer or SMS
Status Indicators2 x RS485, 2 x digital input, 1 x activity, 1 x power, 3 x output, 1 x LTE
Power8-36V DC with reverse polarity protection, PoE (spare pair)
Power backupSuperCAP backup for last message (depend on product variant)
Operating temperature-25°C to 75°C
HousingAluminium housing with DIN rail mounting option
Dimensions88mm x 87mm x 35mm
Operating systemEmbedded system
Network protocolsTCP, IPv4, ICMP, NTP, DNS, HTTP, ARP, JSON, SSLv3, TLS 1.2
SMS FunctionsConfiguration, input alerts, output control, device status, restart
Configurationby internal website, by SMS, commands from server, file from server (depend on product variant)
Configuration backupConfiguration backup save and load from internal website
ModbusRTU master, RTU gateway, Modbus to JSON, custom TCP/IP to Modbus
Access securityInternal website password, mobile number access list
Timer and outputs3 channel 10 schedule timer, astronomical timer, remote control of 3 outputs

You can order our products online or send an individual inquiry. Please specify a specific model in your inquiry. Some models/products are only available on special order.

Model SelectionCellular NetworkSuper cap backup  
AG-831-LT-IN Enquiry