Cogent SST-PFB Driver for SST Profibus Cards

Table of Contents

1. Introduction

1.1. System Requirements

1.2. Hardware Installation

1.3. Driver Installation

1.3.1. QNX 4

1.3.2. QNX 6

1.3.3. Linux

1.3.4. Installed file locations

1.3.5. Installing licenses

1.4. Related Card Configuration

1.5. Driver Configuration

1.5.1. Common Configuration Commands

1.5.2. Sample Configuration File

1.6. Initial Startup

1.6.1. Licensing the PFB Driver

1.6.2. Running the PFB Driver

1.6.3. Testing communication to I/O

1.7. Cogent Product Integration

1.8. Where can I get help?

2. Overview

2.1. System Overview

2.1.1. Driver Interfaces

2.1.2. Data Model

2.1.3. User Application Interface Model

2.2. Dataflow and Synchronization

2.2.1. Data Transfer between Fieldbus and Card

2.2.2. Data Transfer between Card and Driver

2.2.3. Data Transfer between Card and Points

2.3. Error Handling

3. API Specifications

4. Direct Interface Specifications

4.1. Structure Definitions

4.2. Message Format

5. Cascade DataHub Interface

6. Command Interface

6.1. Syntax

6.2. Generic Command Responses

6.3. Configuration File

6.4. Interactive Interface

A. Test Scenario

A.1. The Test Environment

A.2. Cascade Architecture

A.2.1. Inputs

A.2.2. Outputs

A.3. The testbed.cfg Configuration File

B. Summary of Reported Errors

C. WAGO-I/O-SYSTEM 750

D. Support Files

D.1. pfbDefines.cfg

D.2. pfbDpMaster.cfg

D.3. pfbDpSlave.cfg

D.4. pfbFdl.cfg

D.5. pfbFdlMsg.cfg

D.6. pfbFdlSap.cfg

I. Command Reference

add - allows a point to be added to a group.

analog - creates a point of type analog.

apropos - lists all driver commands.

aproposPnts - gets a list of current point names.

aproposSyntax - gives command usage.

attachNS - attaches the driver to the Cascade NameServer.

bufferActiveLength - queries or sets the number of active bytes of a buffer.

bufferDescribe - verifies the allocation of data buffers.

bufferUpdate - triggers an I/O cycle of the buffers.

bufferUpdateGroups - triggers an I/O cycle of buffers and point groups.

cardDescribe - provides a list of the cards available.

cardEnable - sets or queries card enable status.

cardGet - gives read access to card buffers for low-level debugging.

cardGroup - sets or queries assignments of groups to cards.

cardInit - initializes SST-PFB cards.

cardPoll - sets up or queries card polling parameters.

cardProfile - produces a detailed profile of card attributes.

cardSet - gives write access to card buffers for low-level debugging.

cardSwapByteOrder - controls byte order of 16-bit point access.

cardVersion - extracts firmware information from a card.

cycle - changes the cycle time of a point.

cycleModify - queries, changes, or sets the cycle time of a point.

datahub - connects to the Cascade DataHub.

debug - controls amount of debug output.

define - assigns a symbol name to a constant.

describePnt - describes the attributes of a point.

describePntAddr - describes a point's address.

digital - creates a point of type digital.

disable - clears the enabled attribute of points.

drsstpfb - starts the PFB Driver.

enable - sets the enabled attribute of points.

errorDescription - provides the text associated with an error code.

exit - shuts down the driver.

group - creates a point of type group.

heartbeat - creates a point of type heartbeat.

include - reads a configuration file.

license - queries the license status of the driver.

pfbBusParms - queries or sets the Profibus network timing parameters.

pfbCmd - issues queries and low-level commands to the Pfbprofi module.

pfbDiagStatus - queries the diagnostic status of the card.

pfbLoadCfg - configures the Profibus card.

pfbMasterStatus - queries the overall status of a card acting as a DP Master.

pfbMsg - sends an FDL message.

pfbNetParms - queries or sets basic Profibus network parameters.

pfbOnline - puts the Profibus card online.

pfbSaveCfg - saves the Profibus card configuration.

pfbSlaveStatus - queries the overall status of a card acting as a DP Slave.

pfbStationStatus - queries the status of Profibus nodes present on the network.

point - reports datahub exceptions on a point, and writes them.

read - reads the value of a point.

readable - sets the readable attribute of a point.

remove - removes a point from a group.

schedParms - queries or sets the OS scheduling parameters of the driver.

segmentDefine - defines the attributes of a buffer segment.

segmentDescribe - describes the segments of a buffer.

statusPointDefine - names a driver status point.

statusPointValue - gives the value of a driver status point.

taskstarted, taskdied - reserved nserve commands to indicate the start or death of a process.

type - creates macro-like definitions.

typeDesc - associates a descriptive string with a command name.

version - reports the version number of the driver.

write - writes a new value to a point.

writable - sets the writable attribute of a point.

Index