Siemens S7-400 Manual de Serviço descarregar pdf (Página 192)

Configuring a SIMATIC PC Station (SIMATIC PC based)

Configuring Hardware and Communication Connections with STEP 7

6-4 A5E00706939-01

6.2 Slot Rules for a SIMATIC PC Station

Components such as CPs, PC-based user programs for configuring connections

and OPC servers can be inserted in slots (index) 1 to 32.

SoftPLC

Up to STEP 7 V 5.2 Service Pack 1, the software PLC WinLC can only be inserted

in Index 2. As of STEP 7 V 5.3, the WinLC variant V 4.1 is supported. It can be

inserted in all slots and can be operated with up to four SlotPLCs (CPU 41x-2 PCI

as of V 3.4).

SlotPLC

Up to STEP 7 V 5.2 Service Pack 1, the SlotPLC CPU 41x-2 PCI (WinAC Slot 412

and WinAC Slot 416) can only be inserted in Index 3.

As of STEP 7 V 5.3, the CPU 41x-2 PCI V 3.4 is supported. It can be inserted in all

slots. Up to 4 of these CPUs can be inserted, even together with the new SoftPLC

WinLC V 4.1.

Address Areas with Multi-PLC Operation

If there are several WinAC controllers inserted in a PC station, then each of them

has its own I/O address areas. The controllers (e.g. SlotPLCs) can communicate

with each other by means of S7 communications mechanisms (BSEND/BRCV);

otherwise, however, they function independently of each other, comparable to the

operation of S7-400 CPUs in a segmented rack, such CR1. This property allows

the compactness and integration density of a PLC to be increased.

Further Information

For further information, please refer to the manuals for the SoftPLCs and SlotPLCs

as well as the manual "Commissioning PC Stations - Manual and Quick Start".

6.3 Comparison: S7 Station - PC Station

The configuration of S7 stations is represented in the SIMATIC Manager by the

Hardware object; if you double-click Hardware, you start the application for

configuring an S7 station. End points of a connection are modules that are plugged

in to the real station. Configurable CPUs, CPs, or interface modules form the

interfaces to subnets.

The configuration of PC stations is represented in the SIMATIC Manager by the

Configuration object; if you double-click Configuration, you start the application for

configuring a PC station (as of STEP 7 V5.0 Service Pack 3).

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Siemens S7-400 Manual de Serviço Página 192