Siemens SIMATIC PCS 7 Manual Sistem - Halaman 7

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Engineering Station - What's new in PCS 7 V8.0?

2.1

CFC - Engineering What's new in CFC V8.0?

Version 8.0 contains the following extensions or changes compared to the previous version, V 7.1.2:

● Fine-grained operating permissions

● Block encryption

● New concept for process tag types and process tags

Version 7.1.2 includes the following extensions or changes compared to the previous version, V7.1:

● Number of possible AS-wide interconnections

● The "Force" functionality now supports a higher number of I/Os

● New configuration options for locations

What's new in SIMATIC PCS 7 (V8.0)?

System Manual, 12/2011, A5E02779862-01

You can use the new "Op_Level" attribute to configure levels of operator authorization levels

for a block type.

CFC supports the encryption of individual blocks

In addition to process tag types and process tags, there are now control module types and

control module units. These support instance-specific changes in case of process tag

synchronization and several versions of process tag types. Enhanced data communication

with PCS 7 Advanced ES is also possible.

The maximum number of AS-wide interconnections is no longer limited to a specific number

but is determined by checking the transfer volume over time. The additional load of the

configured CPU due to AS-wide interconnections is calculated based on the following

parameters:

– Data types of the interconnections

– Cycle times of the send and receive OBs

– Performance of the configured CPU

If the maximum value for the configured CPU is exceeded, an error message is output.

It may no longer be possible to compile a program with AS-wide interconnections that could

be run with the previous version. This is the case if the default of 30% maximum CPU load

for AS-wide interconnections in this program has been exceeded. If you increase this default

to the correct value, then you will be able to compile the program once again.

A maximum of 8192 I/Os can now be forced (8192 standard and 8192 F I/Os)

– Several instances can now be created from a location type

– There are now standard location types with fixed names

– A range of numbers for locations can be specified in the project