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CP 523 Communications Mode

STL FB 126 Explanation

:DO FW 232 Store data bytes

:T DW 0 in destination DB.

:A F 101.2 Block End if

:JC =M001 end-of-text character detected.

:L FW 232 Has the message block

:L FW 234 been completely transferred?

:><F If no, read in two further

:JC =M002 data bytes.

:L FW 234 Set auxiliary data word pointer

:ADD KF +4 for the next message block.

:T FW 234

:L FW 232

Set auxiliary data word pointer

:ADD KF +1 for the first two data bytes

:T FW 232 of the next message block.

:JU =M003 Read in next message block.

M002 :L FW 232 Increment data word pointer by 1.

:ADD KF +1

:T FW 232

:L FW 220

Increment current address

:ADD KF +2 on the CP by 2.

:T FW 220

:JC =M004

Read in next word

M001 : of message block.

:BE Block End

EWA 4NEB 811 6044-02a

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Siemens KS7 Series Spezifikationen Seite 186