Delta Electronics Programmable Logic Controller DVP-PLC - Manual (Page 184)

4 Step Ladder Instructions
DVP-PLC Application Manual 4-14
Example of the simultaneous divergence & alternative convergence:
Ladder diagram:
S127
K10
M1002
ZRST S0
SET S4
SET S20
Y0
SET S30
Y1
SET S40
Y2
END
X0 S4
S
S20
S
X1
S30
S
X2
S40
S
X3
SET S31
SET S32
SET S50
Y3
S31
S
X4
SET S41
Y4
S41
S
X5
SET S50
Y5
S32
S
X6
SET S42
Y6
S42
S
X7
SET S50
S50
S
T1
SET S60
TMR T1
Y7
S60
S
X6
RET
S4
SFC:
S4
S20
S30
S40
S4
M1002
X0
X1
X2
Y0
Y1
Y2
S50
X3
S60
T1
Y7
S31
S41
X4
Y3
Y4
TMR T1 K10
S32
S42
X6
Y5
Y6
X5 X7