Siemens sinamics G120 Operating Instructions Manual page 322

Advanced commissioning
6.7 Application-specific functions
SUB (subtracter)
X0, X1
Y
Runtime group
Run sequence
XOR (EXCLUSIVE OR block)
Table 6- 51
I0 ... I3
Q
Runtime group
Run sequence
322
Truth table
I0 I1
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
XOR 0
p20062[0 ... 3]
r20063
p20064
p20065
Y = X0 - X1
The function block subtracts input X1 from input X0
and limits the result in the range -3.4E38 ... 3.4E38.
SUB 0
p20102[0, 1]
r20103
p20104
p20105
The function block logically combines the binary quantities
at inputs I according to a logical exclusive or function.
I2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
XOR 1
p20066[0 ... 3]
r20067
p20068
p20069
Operating Instructions, 01/2016, FW V4.7 SP6, A5E31759476B AE
SUB 1
p20106[0, 1]
r20107
p20108
p20109
I3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
XOR 2 XOR 3
p20070[0 ... 3] p20074[0 ... 3]
r20071 r20075
p20072 p20076
p20073 p20077
Converter with CU250S-2 Control Unit
Q
0
1
1
0
1
0
0
1
1
0
0
1
0
1
1
0