Bandwidth Checking
Original instructions
Introduction
The TSX ETY 4103/PORT/5103 module offers a utility for checking the bandwidth used.
Accessing Bandwitdh Checking
The procedure for accessing the configuration parameters of bandwidth checking is as follows.
Step
Action
1
Access the module configuration screen.
2
Select the Bandwidth tab:
Using Bandwidth Checking
To use Bandwidth checking, proceed in the following way:
Step
Action
1
Once you have configured I/O scanning and Global Data, enter the estimated number of transactions per second in the Messaging data zone.
2
In the Global Data information zone, indicate the estimated publication periods. The value entered must be the estimated average publication frequency of the distribution group stations (local and remote stations).
Example: Your application publishes the variable 5 and subscribes variables 12 and 15, published by a PLC 1 and a PLC 2. Your publication is configured at 150 ms. PLC 1 publishes variable 12 every 100 ms. PLC 2 publishes variable 15 every 200 ms.
The value to be entered is 150 ms:
arithmetic mean (150+100+200)/3.
3
To view the bandwidth distribution estimation, click the Update distribution estimation button.
4
If the module load overflows, the message Module load cannot exceed 100% appears.
Repeat steps 1 to 3 to adjust the configuration parameters until the module load is correct.