Prod Reference
PDPS Protocol Specification

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PDPS Protocol Specification

PDPS Protocol Specification

The PROFIBUS DP Slave protocol driver supports the PROFIBUS V0 Slave implementation, providing powerful data transfer capability between the ProLinx module and Siemens PLCs or other hosts. User configurable data mapping and DP port operation make the interface an easy to use and powerful data transfer tool.

The PROFIBUS DP Slave driver gives access to the ProLinx unit's internal database via 244 bytes of Input data and 244 bytes of Output data (maximum 400 bytes total). These Input and Output data blocks are mapped by the user within the ProLinx module's data memory allowing the user maximum flexibility and data transfer with other protocols.

General Parameters

GSD File

PRLX05A5.GSD

Downloadable from ProSoft Technology web site

PROFIBUS Specifications

Communication parameters

Baud Rate: 9.6 kbps to 12 Mbps

Supported I/O length

244 bytes Input data

244 bytes Output data

400 bytes total

Supported PROFIBUS DP features

PROFIBUS V0 Slave using Siemens SPC3 chipset

Freeze Mode

Sync Mode

Auto Baud Setting

Configurable Parameters

PROFIBUS Node Address: 1 to 125

Data byte swapping

Action on loss of PROFIBUS connection

Comm Fail Timeout Multiplier

Status Data location in Internal Database