Technical data

6.19 OB 191/OB 193: Transferring Data Fields to a Flag Area

Application

With the organization blocks OB 191 and OB 193 you can transfer

data from a data block to the flag area. With this function, you can, for

example, write flag bytes you have saved in a data block back to the

flag area.

The only difference between OBs 191/193 and OBs 190/192, is that

the source and destination are reversed:

Note

Before you call OB 191/193, a data block of sufficient length

(DB/DX) must be opened.

OBs 191/193 transfer from the data block only to the

F flag area

and not to the S flag area.

Function

After OB 191/193 is called, data words starting from the data word

address specified are read out of the opened data block and transferred

to the flag area.

OBs 191 and 193 are identical, except for the way in which they

transfer data.

OB 191 transfers data words

in bytes

OB 193 transfers data words in words.

The figure on the next page illustrates this difference.

OB 190/192: Flag area Data block

OB 191/193: Flag area Data block

OB 191/OB 193: Transferring Data Fields to a Flag Area

CPU 928B Programming Guide

C79000-B8576-C898-01

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