Publication 1756-UM001A-EN-P - September 2000
Estimate Memory Use
C-11
•
If you use an expression in the index, additional memory is
used, depending on the operators.
For example:
•
If you use multiple arrays in one instructions, add the
appropriate memory use for each array reference.
For example:
TagA
DINT
TagB
DINT
TagF
DINT
TableA
DINT[10]
Example:
Additional Memory Used:
MOV instruction
Source
Destination
TagA
TableA[TagB + TagF]
24 bytes for MOV instruction
84 bytes for DINT tag index (TableA)
28 bytes for ADD
136 bytes total
TagA
DINT
TagB
DINT
TableA
DINT[10]
Example:
Additional Memory Used:
MOV instruction
Source
Destination
TableA[TagA]
TableA[TagB]
24 bytes for MOV instruction
84 bytes for DINT tag index (TableA)
84 bytes for second DINT tag index (TableA)
192 bytes total
Содержание Allen-Bradley ControlLogix 1756-L Series
Страница 1: ...ControlLogix System 1756 Lx User Manual ...
Страница 10: ...Publication 1756 UM001A EN P September 2000 Table of Contents vi ...
Страница 64: ...Publication 1756 UM001A EN P September 2000 4 16 Communicate with 1756 I O Notes ...
Страница 90: ...Publication 1756 UM001A EN P September 2000 6 16 Communicate with 1794 I O Over a ControlNet Network Notes ...
Страница 108: ...Publication 1756 UM001A EN P September 2000 7 18 Communicate with Another Controller over a ControlNet Network Notes ...
Страница 112: ...Publication 1756 UM001A EN P September 2000 8 4 Route PLC 5 Messages Between ControlNet Networks Notes ...
Страница 119: ...Publication 1756 UM001A EN P September 2000 Communicate with a PanelView Terminal Over a ControlNet Network 9 7 ...
Страница 152: ...Publication 1756 UM001A EN P September 2000 11 4 Monitor Connections Notes ...
Страница 160: ...Publication 1756 UM001A EN P September 2000 12 8 Communicate with a DeviceNet Device Notes ...
Страница 188: ...Publication 1756 UM001A EN P September 2000 14 8 Route PLC 5 or SLC 500 Messages From a DH Network Notes ...
Страница 204: ...Publication 1756 UM001A EN P September 2000 15 16 Communicate Over a Remote I O Network Notes ...
Страница 232: ...Publication 1756 UM001A EN P September 2000 18 18 Configure DF1 Master and Slave Communications Notes ...
Страница 266: ...Publication 1756 UM001A EN P September 2000 21 10 Maintain the Battery Notes ...
Страница 286: ...Publication 1756 UM001A EN P September 2000 B 18 Estimate Execution Time Notes ...
Страница 300: ...Publication 1756 UM001A EN P September 2000 C 14 Estimate Memory Use Notes ...
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Страница 307: ...ControlLogix System User Manual ...