schmersal PROTECT-PSC - Page 175

Programming / parameter assignment
6
Instruction Manual PROTECT-PSC
V 2.6R01 / 04.19
6-41
Examples
Arithmetical functions
Instruction
OP1
OP2
OP2
Function
W+
S1
S2
S3
S3 = S1 + S2
W-
S1
S2
S3
S3 = S1 - S2
W*
S1
S2
S3
S3 = S1 * S2
W/
S
1
S
2
S
3
S
3
= S
1
/ S
2
Store quotients in S3 and the remainder in
S3 + 1.
WINC
S
1
S
2
Incrementing of S2 and comparison of the
incremented value with S1. If both values
are equal, then the result is HIGH.
The data are treated as BCD values.
WDEC
S
1
Decrementing the content of S1.
The data are treated as BCD values
Agenda
S
1,2,3
: register
T
T
a
a
b
b
l
l
e
e
6
6
-
-
7
7
O
O
v
v
e
e
r
r
v
v
i
i
e
e
w
w
o
o
f
f
t
t
h
h
e
e
a
a
r
r
i
i
t
t
h
h
m
m
e
e
t
t
i
i
c
c
a
a
l
l
f
f
u
u
n
n
c
c
t
t
i
i
o
o
n
n
s
s
Examples
Multiply the content of the flag K002 with the content of the flag K000 and write the
result to flag K003.