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NetControl 24R3S2A



This model has 24 SPDT relay outputs and is perfectly suited for applications with high concentration of control tasks. It also very suitable for remote control and monitoring of Mining Rigs, as this model also has 24 channel Ping Monitor. There are also 3 external sensors connectors and 2 for alarm inputs.


Input-output channels in NetControl 24R3S2A:

  • switch on-off/reboot (normal close relay contact) of up to 24pcs appliances for up to 7A/220VAC (with ability of automatic reboot on PING lost to up to 24 IP address)

  • 3 input connectors for measurеment of temperature (sensor TDS300), humidity (HDS300), water (WDS300)

  • 2 alarm inputs (for mechanical contact/button) for signalization (SNMP trap) of rack/cabinet burglary or AC voltage monitoring (VDS300) sensor
  • integrated "theremoregulator" mode between temperature sensor and any of the relay channels

  • board dimensions 152x124x22mm (no plastic case is supplied). Product can be installed in the following box 180х140х80: http://jv-electric.com/en/products/junction-boxes/junction-box-180x140x80/


Basic network function (for more see user manual)

  • 10/100 Ethernet (CrossOver Autodetect)
  • Last output state can be stored in nonvolatile memory and automatically loaded after power loss
  • Supported protocols ARP/DHCP/ICMP/TCP/IP/SNMP/TFTP client/WEB server/SmartSpace Cloud

  • 802.1q VLAN support

  • SNMPv1 (ONLY snmpget/snmpset) protocol for access to all parameters and functions;

  • SNMP traps generation on input change;

  • Output signal generation on analog input change;

  • WEB access to all parameters and functions;

  • TFTP client for firmware update



  • Reboot (automatic on PING lost/manual) of hung home network equipment (ADSL modem, routers, APs, Mining Rigs)
  • "Internet controlled power socket" for 220VAC with up to 24 sockets

  • general purpose 24 channel relay module with Web/SNMP control
  • IP guarding

  • IP thermometer and thermoregulator; IP humidity meter


um iconUser Manual, SNMP MIB

NetControl Series_UM-2.13_en.pdf (01.2019)

NetControl SNMP MIB v1.4 (11.2017)


firmwareLatest firmware image (also publicly available by TFTP at IP address

Firmware v3.17.zip (11.2017)

Firmware v5.10.zip (02.2019) for PicoIPv2


logo domoticzNode-RED flow for integrating NetControl and Domoticz (MQTT) new-icon

NetControl<->Domoticz Node-RED Flow (v2.0 updated 11.2018)


zabbix availableHost template for integration in Zabbix

NetControl HostTemplate for Zabbix (02.2018)


cactiHost template for integration in Cacti

NetControl HostTemplate for Cacti (02.2018)