Introduction ........................................................................................... 1-1
Features ............................................................................................................................ 1-2
Advantages ....................................................................................................................... 1-2
What's In This Manual....................................................................................................... 1-3
Example Plant ................................................................................................................... 1-5
The Profibus NIU.................................................................................... 2-1
The Profibus System ......................................................................................................... 2-2
Connectors on the NIU...................................................................................................... 2-7
DIP Switches on the NIU................................................................................................... 2-9
LEDS on the NIU............................................................................................................. 2-10
IC220PBI002 ................................................................................................................... 2-11
NIU Specifications ........................................................................................................... 2-12
VersaPoint Modules............................................................................... 3-1
The Electronics Base ........................................................................................................ 3-9
I/O Station Capacity.................................................................................................. 1-2
Features ................................................................................................................... 2-4
Comparison of Features ........................................................................................... 2-5
Items Used with the NIU........................................................................................... 2-6
Ordering Information................................................................................................. 2-6
Profibus Connector................................................................................................... 2-7
Power Connector...................................................................................................... 2-8
NIU Power ................................................................................................................ 2-8
Input/Output Modules ............................................................................................... 3-3
Terminal Points......................................................................................................... 3-3
Analog Modules........................................................................................................ 3-5
Power Terminal Modules.......................................................................................... 3-6
Module Color Coding.............................................................................................. 3-10
Contents
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