
13-4
Ladder Logic (LAD) for S7-300 and S7-400
C79000-G7076-C504-02
Status Word Bits
BR CC 1 CC 0 OV OS OR STA RLO FC
Write – x x 0 – x 1 x 1
I 0.1
Output Q 4.0 is set if the following
conditions exist:
S There is a signal state of 1 at
inputs I 0.0 and at I 0.1
S And MD0 = MD4
S And there is a signal state of 1 at
input I 0.2
Q 4.0
CMP
== D
IN2MD4
IN1MD0
I 0.0 I 0.2
S
Comparison is true:
Figure 13-2 Compare Double Integer
Comparison Instructions
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