PB-E - Modbus TCP Gateway

The PBE GATEWAY is an Ethernet to serial converter and connects the PROBUS modules to a 10/100 Base-TX Ethernet network.

The PBE GATEWAY includes a web server which enables access to internal parameters for configuration. This allows configuration of IP address, default gateway IP address and subnet mask. The web server can be accessed by most web browsers.

The PBE GATEWAY is factory programmed with a default IP address of 169.254.111.111. This address must be changed before the converter is added to an existing network.

The web page address for viewing the setup parameters is http://169.254.111.111/index.htm The web page address for configuring the converter is http://169.254.111.111/ip.htm

The master device which is polling the modules must be configured with the IP address of the PBE GATEWAY and with the modbus ID of the PROBUS modules. As each PROBUS communications bus is separate, it is possible to have repeated Modbus ID’s on the PROBUS modules provided they are attached to a different PBE GATEWAY. The IP address differentiates between the different PROBUS systems. Consequently, many hundreds of PROBUS modules may be added to an Ethernet network.

The PBE GATEWAY is a Modbus gateway and the client must be configured to use Port 502. This is a reserved port number for Modbus TCP applications and informs the PBE GATEWAY that it must implement the protocol conversion from Modbus TCP on the Ethernet network to Modbus RTU on the PROBUS serial communications bus.

PB-E - Modbus TCP Gateway

Ethernet protocol

IEEE 802.3

Ethernet Connector

RJ45

RJ45 ports (shielded)

10 BaseT / 100 BaseTX

Order Codes

  • PB-E - Modbus TCP Gateway Module

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PB-E - Modbus TCP Gateway

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Procon Electronics