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Appendix A
Slave Registration and Automatic I/O Area Allocation
If a slave is registered when the master function is enabled, words are automatically allocated to it in the mem-
ory block set for I/O allocation.
Allocation is performed forward from the beginning of Memory Block 1 in the order of registration for both the
input and output areas. When Memory Block 1 is completely allocated, allocation is performed in Memory
Block 2. Set the areas and ranges of the memory blocks for allocation in advance before registering slaves.
Note
Auto-allocation areas can be changed later.
Setting Memory Blocks for Allocation
1.
Select a master and then select
Device
–
Parameter – Edit
. The Edit Device Parameter Dialog Box will be
displayed.
2.
Click the
I/O Allocation (OUT)
Tab.
3.
Click the
Setup…
Button in the Memory Block 1 Area.
4.
Set the
Area
,
Start Word
, and
Display Words
(i.e., the number of words in) for Memory Block 1.
5.
Set Memory Block 2 in the same way.
6.
Click the
I/O Allocation (IN)
Tab and set the Memory Blocks in the same way as the OUT block.
Note
(1) Set the Area setting for unused blocks to
Not Use
.
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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