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Allocating Network Bandwidth Usage and Calculating the Best EPI
Section 2-2
Calculations
Here, we allocate 70% network bandwidth usage rate to safety connections
and 20% to standard connections.
Click the
Calculate
Button and from the calculation results, you can see the
EPI for the safety connections can be set to 7 ms and the communications
cycle of the Standard Master can be set to 6 ms.
Checking the Safety Network Controller Cycle Time
If, for example, the Safety Network Controller cycle time was 6 ms, it is shorter
than the calculation result of 7 ms which means the result can be set as the
EPI.
Changing Settings
Changing the EPI Settings for Each Safety I/O Connection
Set the EPI of all safety connections set in the NE1A-series Controller to 7 ms
according to the calculation results.
Содержание DeviceNet Safety
Страница 1: ...SYSTEM CONFIGURATION MANUAL Cat No Z905 E1 07 DeviceNet Safety...
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Страница 5: ...DeviceNet Safety System Configuration Manual Revised July 2009...
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Страница 11: ...ix TABLE OF CONTENTS Appendix 277 Glossary 333 Index 335 Revision History 339...
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