SanDisk CompactFlash 5000 Bedienerhandbuch PDF herunterladen (Seite 44)

Publication LOGIX-AP007B-EN-P - January 2007

44 Performance Data

Access 4500 Bytes

This table shows the baseline performance of the CompactFlash card. The

application code as it is shipped was used to access 4500 bytes. All data shown

is in ms. Each command was performed 32,000 times and the highest value is

shown.

Access 4500 Bytes with an HMI Load

This table shows the baseline performance of the CompactFlash card. The

application code as it is shipped was used to access 4500 bytes. Also, a

simulated HMI load was added accessing 1500 tags every 500 ms. All data

shown is in ms. Each command was performed 32,000 times and the highest

value is shown.

Access 4500 Bytes with 16 Message Instructions

This table shows the baseline performance of the CompactFlash card. The

application code as it is shipped was used to access 4500 bytes. Also, 16

message instructions were added into the application code, each accessing 100

DINT tags from a remote controller. All data shown is in ms. Each command

was performed 32,000 times and the highest value is shown.

Access 4500 Bytes and Periodic Tasks

This table shows the baseline performance of the CompactFlash card. The

application code as it is shipped was used to access 4500 bytes. The task that

contains the CompactFlash code was made into a periodic task that executes

every second. All data shown is in ms. Each command was performed 32,000

times and the highest value is shown.

Create Command Write Command Read Command Delete Command

L6X Controllers 68 572 178 83

Create Command Write Command Read Command Delete Command

L6X Controllers 74 580 177 84

Create Command Write Command Read Command Delete Command

L6X Controllers 110 1093 483 103

Create Command Write Command Read Command Delete Command

L6X Controllers 4001 33000 29000 1001

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 55 56

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SanDisk CompactFlash 5000 Bedienerhandbuch Seite 44