4-noks Gateway Modbus Ethernet 2018-12-17T13:57:32+00:00

Gateway Modbus Ethernet


The Ethernet Gateway Modbus – ZigBee ZC-GW-ETH-xx is part of an assortment of 4noks ZigBee devices. The purpose for which it was created is to interface a PLC (Programmable Logic Control) or a PC with the 4-noks ZigBee devices network through an Ethernet network and a standard protocol universally recognized such the Modbus/TCP-IP.


The employment of an Ethernet network allows to locate the Personal Computer or the PLC in a position very far from the ZigBee network and, if you have an Internet access, into an even further position.

  • Ethernet interface between a ZigBee network and the external environment
  • Using the Modbus/TCP-IP protocol
  • Coordinator function for a ZigBee network
  • Local memory stores battery powered sensors data
  • Transparent bridge towards other Modbus devices
  • External antenna
  • Power over ethernet (POE) version

General characteristics

  • EM2420 Ember Chip
  • Compatible IEEE 802.15.4 Stack
  • EmberZnet 3.5.x (ZigBee PRO)
  • Modbus/RTU
  • Ethernet Interface DIGI Connect ME model
  • Addressing through WEB or DHCP interface

RF characteristics

  • Frequency: 2405 MHz ÷ 2480 MHz
  • Modulation: DSSS
  • Nominal transmission power: 1mW (0 dBm)
  • Receiver sensitive: -92 dBm
  • External antenna gain: 5,5 dB
  • Outdoor/indoor range: 100m/30m


  • ZC-GW-ETH-EM: external +12 Vcc ; 200mA
  • ZC-GW-ETH-EPM: POE – 48Vcc


  • Ethernet: RJ45

Environment Parameters

  • Operating temperature: -10 ÷ +60°C; <80% U.R. non condensing
  • Storage temperature: -20 ÷ +70°C; <80% U.R. non condensing
  • Degree of protection: IP 50

Compliant with 2006/95/EEC, 89/336/EEC, 99/5/EEC directives, Product law applied

  • ETSI EN 300 328: Radio Compatibility for digital wide band transmissions
  • ETSI EN 301 489: Radio Compatibility
  • EN 61000-6-2: Electromagnetic Compatibility – Emissions
  • EN 61000-6-3: Electromagnetic Compatibility – Immunity
  • EN 60950-1: Electric Security
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