Omron Sysmac WS02-CXPC1-EV3, Руководство по эксплуатации

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PART 2: CX-Server PLC Tools
OMRON CHAPTER 3 – IO Table Component
CX-Server PLC Tools_Page 17
CHAPTER 3
IO Table Component
This chapter describes the IO Table component available to C-series, CV-series, CS1-series and CJ1-series PLCs
and its ability to create, retrieve and edit a configured PLC’s rack and address data.
The IO Table component allows configuration of racks, slots and units within a PLC, using available hardware
as reference. Within a PLC there are three versions of an IO Table, all of which should ideally have the same
contents. IO Table component editing allows manipulation of the internal version of the table, and modification
of the PLC’s view of how the hardware is configured. The three versions are:
♦
Actual IO Table . The real hardware configuration of the PLC units and slots on power-up.
♦
Registered IO Table . The internal PLC table: this is the one used by the PLC when running, regardless of
the state of the actual hardware. It can be read and, for C2000 PLCs, CV-series PLCs and CS-series PLCs,
written to by the CX-Server software.
♦
CX-Server IO Table . The IO configuration understood by CX-Server. It can be created and modified
directly, independently from the PLC, and can be transferred with a program (for CV-series and CS1-series
PLCs).
The Registered Table and CX-Server’s table can be changed from the PC, but the actual configuration requires
the physical manipulation of the PLC hardware. It is only possible to transfer the Registered IO Table in
C2000, CV and CS1-series PLCs to the PLC. Editing of individual IO units in the Registered IO Table is only
available in C1000H, C2000H, CS1-series and CV-series PLCs.
The IO Table component is displayed as a hierarchical structure. The IO Table view can be expanded to show
entries for all Remote Terminals (RTs) and the IO. All possible racks and unit numbers for the active PLC are
displayed although these may not all be in use. An address and IO string are displayed against each rack slot or
unit; this is used to indicate the input and output characteristics of the unit.
The status bar displays the selected PLC and CPU type, and the current operating mode of the PLC.
When a Remote Terminal (RT) is added, it can be expanded to provide the Terminals view, showing entries for
all slots on that remote rack.
Icons to the left of a rack indicate units fitted to expansion racks, SYSBUS/SYSBUS2 remote racks or IO
Terminals. To view the content of the IO Table, double-click on a rack. The unit address is displayed in
brackets for each slot.
This icon represents an empty extension.
This icon represents a unit or empty slot.
This icon represents a rack that contains units.
To expand the IO Table, select this icon.