echolink one2PROFINET

Serial Bus Couplers for Connection of Serial Devices to PROFINET

The smart echolink one2PROFINET coupler connects various devices and automation components via their own serial interface with Ethernet-based fieldbuses. echolink one2PROFINET implements different interfaces.


One Common Interface to Connect Serial Devices with PROFINET

  • Easy to use physics and protocol converter
  • EIA-232, EIA-422, EIA-485 serial ports
  • Modbus, ASCII, RTU, 3964R protocols supported on serial side
  • Support of PROFINET Industrial Ethernet protocol

High-Performance Ethernet Coupler

  • Coupler providing direct protocol conversion
  • Support of full PROFINET bandwidth and speed
  • Easy data access using mapping to PROFIENT I/O range

Easy Setup to Reduce Start-Up Expenses

  • Ease-of-use through Windows-based configuration tool
  • Automatic detection of connected devices
  • No programming skills required
  • Status LEDs supporting quick diagnosis

Technical Details

Bus DataUp to 1440 Bytes input data / 1440 Bytes output data
Serial InterfacesEIA-232, EIA-422, EIA-485
Baud Rates of the Serial InterfacesUp to 520 KBaud
Bus Connection2 x RJ45 with 100 MBaud
Galvanic IsolationOptional for the serial side, standard on the bus side
Power Supply10 V ... 30 V, typically 120 mA, maximum 150 mA
Operating Temperature0 °C … 55 °C
Dimensions (H x W x D)100 mm x 23 mm x 115 mm
MountingTop hat rail



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Order Numbers

200-2131-3681Serial / PROFINET Coupler echolink one2PROFINET


Scope of Delivery

HardwareProtocol coupler, small screwdriver
SoftwareDownloadable on the Softing website
DocumentationDownloadable on the Softing website
SupportSupport by Softing Industrial Automation
CertificatesDownloadable on the Softing website


Additional Products and Services

TRA-PN-TECHPROFINET Technology (Basics of PROFINET communication), 2-Day Seminar
TRA-PN-CERTENGPROFINET Certified Engineer (Basics of data transmission via Ethernet and PROFINET), 2-Day Seminar
110-1000-01Industrial Ethernet – Troubleshooting in Automation, 3 Days