GE VersaPoint IC220PBI002, Руководство пользователя

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Contents
vi
VersaPoint™ I/O System Profibus-DP NIU User’s Manual– August 2005 GFK-1911B
Connectors ............................................................................................................. 3-12
Module Dimensions......................................................................................................... 3-14
Chapter 4 Installation.............................................................................................. 4-1
Parts of a VersaPoint I/O Station ...................................................................................... 4-2
End Plate .................................................................................................................. 4-2
End Clamps .............................................................................................................. 4-2
Planning Module Sequence in the I/O
Station ............................................................................................................................... 4-3
Locations for Analog Modules .................................................................................. 4-3
Power for the Station......................................................................................................... 4-4
Electrical isolation..................................................................................................... 4-5
Dangerous voltage! .................................................................................................. 4-5
Setting the NIU Switches .................................................................................................. 4-6
Keying Connectors and Modules ...................................................................................... 4-7
Installing Modules on the DIN Rail .................................................................................... 4-8
Removing Modules................................................................................................... 4-9
Replacing a Module.................................................................................................. 4-9
Connecting Unshielded Cables....................................................................................... 4-10
Connecting Shielded Cables........................................................................................... 4-11
Connecting Shielded Cables to the Shielded Terminal Strip ................................. 4-11
Repositioning the Shield Clamp ............................................................................. 4-12
Grounding........................................................................................................................ 4-13
Grounding the NIU and Power Modules................................................................. 4-13
Required Additional Grounding .............................................................................. 4-13
Installing the Profibus Cable ........................................................................................... 4-14
Profibus Cable Specifications................................................................................. 4-14
The Profibus Cable Connector ............................................................................... 4-15
Shielding the Profibus Cable .................................................................................. 4-15
Bus Termination ..................................................................................................... 4-16
Connecting Power at the NIU.......................................................................................... 4-17
Providing the 24V Segment Supply (U
S
) at the NIU ............................................. 4-17
Fusing for Short Circuit Protection ......................................................................... 4-17
Replacing Power and Segment Terminal
Fuses............................................................................................................................... 4-18
Connecting Sensors and Actuators................................................................................. 4-19
Connecting Discrete Devices ................................................................................. 4-19
Connections for Discrete Input Modules ................................................................ 4-19
Connections for Discrete Output Modules.............................................................. 4-19
Connecting 2-Wire Discrete Sensors and Actuators.............................................. 4-20
Connecting 3-Wire Discrete Sensors and Actuators.............................................. 4-20
Connecting 4-Wire Discrete Sensors and Actuators.............................................. 4-21