NetX Ethernet/Serial

NetX_Ethernet_to_Serial_resize

Features

  • Interconnection of serial RS-232/422/485 and Ethernet networks
  • Transparent conversion of serial protocols in to UDP or TCP/IP packets
  • Modbus/TCP/UDP - RTU/ASCII protocol
  • Serial and IP parameters setup through web interface
  • LED indications
  • Galvanic isolation of Ethernet line
  • Optional galvanic isolation of power supply and power over Ethernet (PoE)
  • 35mm DIN rail mounting

 

 

Description


NetX Ethernet is a gateway module for interconnecting serial industrial buses and devices with RS-232/485 interface to Ethernet/LAN network. Gateway is a medium and protocol converter as well – it converts between Modbus ASCII/RTU and Modbus/TCP, encapsulating serial messages into TCP packets. It is configured as passive server, meaning that a client – PLC or SCADA application - opens a TCP connection. There are two operating modes. In transparent mode gateway only forwards Modbus messages among Ethernet and RS-485 network with protocol conversion. In this mode response time is limited by transfer rate at serial bus. In proxy mode gateway operates as local master polling RS-485 slaves according to preloaded poll table, and storing acquired fresh data to cache memory. On every client’s Modbus/TCP request gateway responds with registers from its cache memory. This mode significantly reduces response time to Ethernet range in milliseconds.

 

Applications

  • NetX Ethernet is designed for application in industrial communications and process automation, alarm and telemetry systems. It is used for: Connecting distributed I/O modules and PLCs to local area network
  • Remote measuring and supervising through HFC cable distributed system
  • Connecting VHF/UHF radio networks to LAN.

 

schematics

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Serial communication
Interface

RS-232DTE, TxD, RxD, DTR, DSR, DCD, RTS, CTS

RS-422/485, 120R termination for Tx and Rx, RTS/ON control
Rate 50, 110, 134, 150, 200, 300, 600, 1200, 2400, 3600, 4800, 9600, 19200, 38400, 57600, 115200, 230400
Format 5, 6, 7, 8 bits; parity: none, odd, even, mark, space; 1, 2 stop
Protocol

transparent (virtual serial port)

Serial Bridge

Modbus TCP/UDP master/slave – RTU/ASCII

PPP server
Connector DB9 (Male) common for RS-232 and RS-422/485
Flow control software (XON/XOFF), hardware (CTS/RTS), none
Ethernet communication
Interface Ethernet, IEEE 802.3
Physical layer 10/100 Base-T
Rate 10/100 Mb/s (auto-sensing)
Mode half-duplex pr full-duplex (auto-sensing)
Protocol

UDP, TCP/IP

IP parameters IP adress, Subnet mask, Default gateway
No. of TCP connections 1
Connector RJ45 10TBase
General
LED indicators PWR, TxD, RxD, LAN, LINK, DTR
Power supply 8 – 32VDC, 9 – 36VDC isolated, 18 – 72VDC isolated, PoE
Powe consumption 5W max
Power supply connector Pluggable screw clamp, 1.5 mm2
Overvoltage protection tranzorb on RS-422/485 line
Operating temperature -25 do 70°C
Mounting DIN rail 35mm
Dimension 95x35x80mm
Model
NetX-Ethernet to Serial

NetX Ethernet with RS-232/422/485 communication connection

and power supply in range 8-32VDC
NetX-Ethernet to Serial-ISO

NetX Ethernet with RS-232/422/485 communication connection

and isolated power supply in range 9-36VDC 
NetX-Ethernet to Serial-ISO-HV

 NetX Ethernet with RS-232/422/485 communication connectionand isolated power supply in range 18-72VDC

NetX-Ethernet to Serial-ISO-PoE

 NetX Ethernet with RS-232/422/485 communication connectionand isolated power over Ethernet