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Knowledge Base / Gateways

PLX32 Gateways

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Which of your products support RS-485 serial protocols?

Almost all ProSoft solutions for serial based protocols support RS-232C, RS-485 and RS-422 electrical interface types, but equally important is the 'language' or application layer protocol needed for your application.ProSoft solutions are categorizedby the required protocols, not...

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How do I get Floating Point (or Double INT or Unsigned INT) data?

All ProSoft gateways and In-Chassis modules contain a database that is based upon 16 bit words. To store 32 bit data types 2 consecutive registers or elements are required.Examples of these 32 bit data types are REAL, FLOAT and DINT's also known as double Integers.To access...

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NEW PLX32 Gateways - Features and Limitations

New Dual Ethernet Port Gateways Soon To Be ReleasedHere is a quick overview of the features and limitations of the soon-to-be-released PLX32 Gateways: Protocol Combinations available: * PLX32-EIP-MBTCP for Allen-Bradley EtherNet/IP to Modbus TCP/IP * PLX32-EIP-SIE for Allen-Bradl...

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Are the Ethernet port(s) Auto MDI-X ports?

Yes, the Ethernet port(s) will work with either cross-over cables or standard Ethernet patch cables to a switch or another device....

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Which Ethernet Port is used for uploading and downloading configurations?

The first Ethernet port must be used to upload and download configuration files. It is not possible to use the second Ethernet port for this functionality....

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How does the gateway know where to load or store configuration files (SD card or non-volatile RAM)?

When the PLX3x gateway boots it checks for an SD card. If an SD card is present it will load the configuration file stored on the SD card. If an SD card is not present than the gateway will load the configuration file from the non-volatile RAM in the PLX3x gateway.Note: When down...

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What do the jumpers do on the PLX3x gateways?

By default the PLX3x gateway should have the jumper in a vertical position, which places the gateway into a normal operational state.Mode 2 is used to reset the gateway to the default IP Address. To place the gateway into Mode 2 follow these steps:1) Power down the gateway2) Pla...

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SD Card Support on the PLX31 & PLX32 Series Gateways

The SD card slot on the PLX31 & PLX32 family of gateways is provided to simplify the process of transferring gateway configurations from one gateway to another (of the same model). It is not a requirement for the SD card to be present. During boot-up, the gateway firmware det...

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Configuration Storage on the PLX31 & PLX32 Gateways

The SD card slot is provided as an optional backup mechanism for restoring configurations or transferring a configuration from one gateway to another.It is important to note that the SD card takes precedence over the gateways’ internal non-volatile storage. If the SD card is pres...

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Differences between the PLX31 & PLX32 Gateways

For our PLX3x gateways that feature 2 Ethernet-based protocols (such as EtherNet/IP, Modbus/TCP, Profinet, and SIE) we offer 2 variants: the PLX31 and the PLX32. They are essentially identical except for one critical distinction.The PLX31 variant has a single Ethernet port, and s...

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Why are my PLX gateway modbus serial commands not executing despite being enabled?

If your modbus serial port and its commands are both enabled, but the commands do not appear to even be executing (status shows no requests are being made, data analyzer shows nothing coming out of the port, etc.) check the value of Command Control Reg. Command Control Reg is loc...

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Cannot Download from PC to Device in ProSoft Configuration Builder

When changing the IP address of a Modbus TCP module, the "Download from PC to Device" option can be grayed out if there are Modbus Master commands with IP addresses that still reference the old IP Address subnet. In this case the configuration is assumed invalid due to ...

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I cannot locate the .EDS file for my ProSoft Product. Where can I get the proper .EDS file for my module?

Most ProSoft products which either go in a Rockwell PLC rack (InRAx modules) or communicate over EtherNet/IP (EIP), most of these products do not require an .EDS file for proper operation. Because of this. we do not provide .EDS files for every product which could support them. ...

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