Mitsubishi Electric MELDAS C6 Programming Manual page 206

Program example
(1) Program to subtract D20 from D10 when XA turns ON and obtain an absolute value when the
results are negative.
XA
10
XA
15
8. Function Commands
DNEG, DNEGP
D10 D20
D<
D-
D20
D10
M3
DNEG
- 197 -
Get other manuals https://www.bkmanuals.com
M3
M3 turns ON when D10, 11 < D20, 21
D10
Subtracts D20, 21 from D10, 11.
D10
The absolute value (complement of 2)
when M3 turns ON is obtained.
Coding
No. of Com-
steps mand
10 LD
11 ANDD< D10
14 OUT
15 LD
16 D-
20 AND
21 DNEG
23
Device
XA
D20
M3
XA
D10 D20 D10
M3
D10