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10
Time Characteristics
Example 1
Example 2
1070 072 196-101 (00.06) GB
The two diagrams below demonstrate the time characteristics and the bus
load in dependence of the number of clients.
The measurements were done with an Ethernet bus analyzer. The analyzer
calculates the average bus load and the number of messages of the server.
The two diagrams that follow are the result of both measuring examples.
Measuring Sys-
Module
tem
Server configura-
ZS400
tion
Client controller 1
SK500
ZS500
Client controller 2
ZS400
Client controller 3
SK500
ZS501
All clients read a data module with 512 bytes from the server. The commands
are STOP- or EP-coordinated.
Measuring Sys-
Module
tem
Server controller 1
SK500
ZS500
Client configura-
ZS400
tion
The client continuously requests a data module with 512 byte. The server
controller is in the STOP state.
A reading command, 512 byte, lasts approximately 41 ms.
A writing command, 512 byte, lasts approximately 41 ms as well.
Time Characteristics
Number of COM-E Modules
1
5
5
5
Number of COM-E Modules
5
1
10- -1
Cycle Time
min. 65 ms,
max. 75 ms
Approx. 10 ms
Approx. 10 ms
Approx. 10 ms
Cycle Time
Approx.10 ms
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