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Contents
GFK-2193A iii
Overview and Specifications........................................................................................ 1-1
PROFIBUS Information................................................................................................... 1-1
Related Publications....................................................................................................... 1-1
IC693PBS201 Slave Module Specifications.................................................................. 1-2
PROFIBUS Basics ........................................................................................................... 1-3
PROFIBUS Network Overview.......................................................................................... 1-3
Bus Communication .......................................................................................................... 1-3
Network Topology ............................................................................................................. 1-4
Network Connectors.......................................................................................................... 1-5
Installation ..................................................................................................................... 2-1
Reviewing System Power Requirements...................................................................... 2-1
Installing the PROFIBUS Module in the PLC Rack ......................................................2-1
Connecting the Slave to the PROFIBUS Network........................................................ 2-2
Network Segment Length.................................................................................................. 2-2
PROFIBUS Cable Types................................................................................................... 2-3
Network Termination ......................................................................................................... 2-3
Network Baud Rate ........................................................................................................... 2-4
Removing the Module from the Rack............................................................................ 2-4
Configuration................................................................................................................. 3-1
Adding a PROFIBUS Slave Module to the Hardware Configuration.......................... 3-1
Configuring a PROFIBUS Slave Module ....................................................................... 3-2
Settings Tab ...................................................................................................................... 3-2
Input Data Area Tab..........................................................................................................3-3
Output Data Area Tab....................................................................................................... 3-4
Power Consumption Tab................................................................................................... 3-4
Status and Diagnostics................................................................................................. 4-1
PROFIBUS Slave Module LED Indicators ..................................................................... 4-1
Status/Firmware ID Array ............................................................................................... 4-2
Word 1 – Slave Status Word............................................................................................. 4-2
Network Parameter Errors ................................................................................................ 4-2
Communication Requests.............................................................................................. 4-3
COMMREQ Ladder Instruction ......................................................................................... 4-3
Operation of the Communications Request ............................................................... 4-4
COMMREQ Programming Requirements and Recommendations ............................ 4-5
Error Detection and Handling ..................................................................................... 4-5
Corrective Actions for COMMREQ Errors ..................................................... 4-5
COMMREQ Status Word............................................................................... 4-6
PROFIBUS Slave Module COMMREQ Reference......................................................... 4-7
Get Slave Status COMMREQ (3)...................................................................................... 4-7
Memory Types............................................................................................................ 4-7