Data Transfer with PLC-to-PLC Connections S5-95U, SINEC L2
FB5 for PLC 1 Explanation
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Segment 1 0000
NAME : S 1=>2
Transmitting from station 1 to station 2
DES : ANST I/B/D/B/T/Z: I BI/BY/W/D: BI
0009 :
Edge evaluation
000A : “Job completed without error” via
000B : STBS = flag byte FY10
000C : A F 10.2 STBS bit “Job completed without error”
000D : AN F 20.0 Edge auxiliary flag.
000E : = F 20.1 Edge flag “Job completed”
000F :
0010 : A F 10.2
If “Job completed without error”,
0011 : = F 20.0 set edge auxiliary flag.
0012 :
0013 : A F 20.1
If “Job completed“ and
0014 : AN F 20.7 no parameter assignment error is present,
0015 : RB =ANST reset send initiation bit,
0016 : R F 20.5 reset send disabling bit.
0017 :
0018 : A =ANST
If Send initiation bit is set and
0019 : AN F 20.5 send disabling bit is not set,
001A : R F 20.0 reset edge auxiliary flag.
001B :
001C : JC FB 252
Call-up of FB L2-SEND
001D NAME : L2-SEND
001E A-NR : KY 0,2 Send to station 2
001F QTYP : KS DB Send data are stored in a data block,
0020 DBNR : KY 0,21 DB number is 21,
0021 QANF : KF + 0 starting with data word DW0.
0022 QLAE : KF + 3 Three words are to be sent (DW0 to DW2).
0023 : A F 255.0 Note parameter assignment error message.
0024 : = F 20.7
0025 :
0026 : A F 10.1
If STBS bit “Job in progress” is set,
0027 : = F 20.5 set send disabling bit.
0028 : BE
6-8
EWA 4NEB 812 6112-02
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