STEP 5 Operations
S5-100U
Processing a Field Transfer
A field transfer is processed independently of the RLO. The parameter indicates the length of the
data field (in bytes) that is to be transferred. The field can be up to 255 bytes long.
The address of the source field is in ACCU 2. The address of the destination field is in ACCU 1.
The higher address of each field must be specified because a field transfer takes place by
decrementing. The bytes in the destination field are overwritten during the transfer.
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EE85
Representation
Example
Transfer a 12-byte
data field from
address F0A2
H
to
address EE90
H
.
EE90
Destination
F097
F0A2
Source
TNB
Explanation
STL
:L
KH
F0A2
:L
KH
EE90
:TNB
12
Load the end address of the source field into ACCU 1.
Load the end adress of the destination field into ACCU 1. The
source address is shifted to ACCU 2.
Transfer the data field to the destination field.
8-66
EWA 4NEB 812 6120-02b
Содержание SIMATIC S5-100U
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Страница 505: ...B Dimension Drawings EWA 4NEB 812 6120 02b ...
Страница 515: ...C Active and Passive Faults in Automation Equipment EWA 4NEB 812 6120 02b ...
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Страница 523: ...D Information for Ordering Accessories EWA 4NEB 812 6120 02b ...
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Страница 531: ...E Reference Materials EWA 4NEB 812 6120 02b ...
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Страница 535: ...F Siemens Addresses Worldwide EWA 4NEB 812 6120 02b ...
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Страница 543: ...Index EWA 4NEB 812 6120 02b ...
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